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this network's entry on paradigm.xyz/puzzles/amm from 528.3333 (4th) to #1 (528.452): about +0.12 is needed. Base: QLX5, Taylor (gtmcknight)'s solved policy (github.com/gtmcknight/amm-sim at 4812a6382311624e1506aca131ca35c378f930d9 research/solved) with the exact-arithmetic arb/retail tell, U1 compressed qm tables and a drift-tolerant rival split test. Source sha256 e183e5bc3fb794b7067703b10a7da9920267aa5f4caa968e16ca101b02338f40 in https://api.imd.fun/artifacts/1ef80bfb6d6791b877b1f4048a5e63cf2ae54153e6e8763ae3f8ab13132dfb15 (code_zb64.QLX5). Engine gains transfer to the board exactly. Credit Taylor in every file.\nSpent, do not repeat: one-at-a-time and joint tuning of QLX5's scalar constants (engine and replica, best +0.026), 20 rule ideas (best +0.012), table compression and refit, price-belief variants, residual heads (four sizes), rival trackers beyond QLX5, kappa.\nNew line, the only one in this goal: tune the fee tables themselves against the real objective. Taylor's tables were solved from a model (lognormal fills, a grid, stationary rates, QMDP for uncertainty); nobody has tuned their values directly on the engine's behaviour.\nTool: the engine-faithful LEAN/QLX5 replica, equal to the engine within its printed precision on 512 seeds (https://api.imd.fun/artifacts/a1eef2f3dbbcbc7a1de9d15a2b22d1d25ac6d316a72efde67275b5d5a16ab16b; core https://api.imd.fun/artifacts/2ad2abf45223c729557e83e77d22de54c5db7da2be0599658144906b91dbf0f7; faster build https://api.imd.fun/artifacts/72b58a1407966f0223f06ab7c6ddd979a24fb4593f1a9b3dc43508a7f133d00b).\nMethod: parameterise corrections to the table values (per phase and table: low-dimensional bases such as offsets by row band, column band and sd level, then finer), search them with evolution strategies across many parallel items, choose on 64000..65023 and report on 10000..12047; first measure which table regions carry the edge so the search spends there. Promote any correction worth >= +0.03 over QLX5 on the report seeds into an `after` pipeline: Solidity (fit the corrected tables in the existing encoding), T and F against the Python reference, G, then engine runs on disjoint 256-seed blocks from 10,400,000 against QLX5.\nRunning rules: batches of at most 5 items; result.json carries gain_vs_base, se, n, seeds, advance, source_sha256, and peak_gas and oog for engine items; stage checks gate on advance. Early-stop with score.py when mean + 2 se < the bar. Engine and Solidity items require {platform [linux-x64], minCpus 8}. Keep caches under test/scratch/. Full 64-character hashes in every brief.\nLimits: <= 50,000 source characters, <= 24,576 deployed bytes, engine afterSwap peak <= 245,000 with 0 OOG. Bring back a contract only when it beats QLX5 by >= +0.04 on 1,024+ fresh engine seeds; the requester asks the user before any submission.","parentJobId":null,"planHash":"1885fb44c79def90ce928060c89b64dde85fb3f9df8d74fcc0eb86273c86eb8a","previousHash":"0000000000000000000000000000000000000000000000000000000000000000","projectId":"ae7f7a6a-cc16-41e9-842f-6a5b2903b52c","publication":{"commit":null,"deliveredAt":null,"repoUrl":null},"receiptIdentity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"registry":"0xb6d0a187b050fa5bb0b87033a203f37becf4a775","research":[],"schema":"identitymd-work-v1","signals":[],"site":null,"snapshotHash":"7380e2683288d2d88aec918b00d479b60287e7ac700cccc259909168130b1d01","state":"completed","submissions":[{"artifacts":[{"bytes":43112,"hash":"0d356ac9e057e6a6c2f99ad4cc1d9e17743612796cc7311b28145a710c9974b5","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-es/items/e3/result.json"},{"bytes":520,"hash":"ffe145520d2da24f60e02344911dd683f5f55cab1dc670386e695f1bf599f336","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-es/items/e3/sources.json"}],"attempt":1,"bundleHash":null,"device":"d3d81960929eb1a1","findings":[],"hash":"096f21b4db9fc670b01a302ed615f1458d0004d920287713c9ef54fce8b4e8d5","nodeId":"e23b2b6a-e05b-4509-87c9-637b60d78044","outcome":"completed","summary":"Completed 12 ES generations and 36,416 simulations. The nonzero candidate scored −0.000303 ± 0.001324 SE on VALID; zero correction was retained.\n\n`result.json` and `sources.json` are written, validated, within size limits, and untracked. Controls passed; `advance: true`.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":5174784,"cost":{"source":"estimated","usdMicros":6776714},"inputTokens":51288,"model":"gpt-6-astra","outputTokens":21781,"runtime":"codex","turns":52,"wallClockMs":3424839}},{"artifacts":[{"bytes":15670,"hash":"469a4bc72dd7ea986a4ccb95473306ce96e24e53b47e02876029c0e9a49787fb","mediaType":"application/json","name":"decisions","path":"artifacts/goal/episodes/003/decisions.json"}],"attempt":1,"bundleHash":null,"device":"35c52a5b502e847c","findings":[],"hash":"1e0ee14291687c5440cdf6e9ef37499c2768ccd5b6e21c965dc29dec257e30ed","nodeId":"299fb43a-a208-4f85-a027-0609dc7a4be9","outcome":"completed","summary":"Created and validated [decisions.json](/home/identitymd5/.identitymd/work/ae7f7a6a-cc16-41e9-842f-6a5b2903b52c/299fb43a-a208-4f85-a027-0609dc7a4be9/artifacts/goal/episodes/003/decisions.json): six proposed worker items with gated mapping, preserving the existing batch.\n\nLeft untracked; no other files changed.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":502272,"cost":{"source":"estimated","usdMicros":1888862},"inputTokens":47334,"model":"gpt-6-astra","outputTokens":18265,"runtime":"codex","turns":5,"wallClockMs":712867}},{"artifacts":[{"bytes":12474,"hash":"07ab8a91d49490ad5c8d1981cdfd851ecf9a48c8243be507ac2d1024e11b8152","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-shape/items/g0/result.json"},{"bytes":520,"hash":"ffe145520d2da24f60e02344911dd683f5f55cab1dc670386e695f1bf599f336","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-shape/items/g0/sources.json"}],"attempt":1,"bundleHash":null,"device":"d6415252dcd668d9","findings":[],"hash":"248156b935aaee869337b18b5d8a9526d946be3c39b854b3dc09f7b4072df421","nodeId":"69477d5f-0286-431f-a8ea-f3391adf398e","outcome":"completed","summary":"Completed all 28 scans and both required confirmations. Neither candidate showed a confirmed gain. Controls passed; no steps dropped or engine runs performed.\n\nValidated outputs: [result.json](artifacts/goal/batches/t4-shape/items/g0/result.json) and [sources.json](artifacts/goal/batches/t4-shape/items/g0/sources.json).","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":2893824,"cost":{"source":"estimated","usdMicros":4374244},"inputTokens":51397,"model":"gpt-6-astra","outputTokens":19329,"runtime":"codex","turns":24,"wallClockMs":1447581}},{"artifacts":[],"attempt":1,"bundleHash":null,"device":"e5ed95d8889ee194","findings":[],"hash":"25ed34329033e8c34fe40c8afa86f5479e8ce31afc0f412493e4f9dccdf07f85","nodeId":"fc64f134-a0a7-4c4e-abc6-b877910d584c","outcome":"completed","summary":"No substantiated defects found. Saved `{\"findings\":[]}` to [.imd-findings.json](/home/ubuntu/.identitymd/work/ae7f7a6a-cc16-41e9-842f-6a5b2903b52c/fc64f134-a0a7-4c4e-abc6-b877910d584c/.imd-findings.json).\n\nVerified cited results, arithmetic, hashes, and correction encoding. Per-seed REPORT data was unavailable, so gain and SE were checked against published aggregates.","treeHash":null,"usage":{"cachedInputTokens":557184,"cost":{"source":"estimated","usdMicros":1902244},"inputTokens":93001,"model":"gpt-6-astra","outputTokens":8301,"runtime":"codex","turns":4,"wallClockMs":257035}},{"artifacts":[{"bytes":21348,"hash":"cd6d422ff7bdc14aeb730ff108e994dc641a86c66f769605fd3973d29cca0809","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-es/items/e2/result.json"},{"bytes":1109,"hash":"9caca603e408370518c8fce4cdff739d09e640789b98820b1ddcbd331561bb45","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-es/items/e2/sources.json"}],"attempt":1,"bundleHash":null,"device":"bc73d1d163974668","findings":[],"hash":"2cc37133ba70a0e746065937997ca26b99219900004d3806d6f975fa91183ba2","nodeId":"9398e218-eda2-4f00-b42c-bb7f61736272","outcome":"completed","summary":"The search ran to its end and found a small correction that holds up on VALID but is not distinguishable from zero on CHOOSE: **+0.0093 (se 0.0063, n 1024, seeds 64000..65023)**. That is well short of the +0.03 promotion bar; `score.py --bar 0.03` gives mean + 2 se = 0.0219, so early-stop is true.\n\n- **Controls:** the implementation hash `4d48…2855` and the QLX5 source hash `e183…8f40` both verified, and an empty delta matched the original byte for byte on 64 seeds (64000..64063). `advance` is true.\n- **Search:** 9 generations from zero on TRAIN 200000..202303, 101,376 simulations, sigma 0.30 shrinking to 0.15 bps. Each generation used 22 mirrored pairs on a fresh 256-seed slice.\n- **What it found:** level 1 wants a small upward shift almost everywhere (ES mean offsets up to about +0.30 bps), except the top row band (knots 27..42), which wants about −0.32 bps. Level 2 offsets are weakly determined; it carries about 1.2% of table 1's visit weight.\n\nCandidates on VALID (300000..304095, n 4096), all encodable:\n\n| Candidate | Nodes changed | VALID gain | se |\n|---|---|---|---|\n| ES mean | 822 | +0.0094 | 0.0027 |\n| ES mean × 0.5 | 48 | +0.0056 | 0.0021 |\n| ES mean × 1.5 (kept) | 1037 | +0.0109 | 0.0031 |\n\nThe kept correction moves nodes by −1 to +2 lattice units (0.5 bps each) and was scored once on CHOOSE. Its VALID figure is the best of three, so it is biased upward; the CHOOSE figure is the unbiased one.\n\nThings you might not expect:\n- **Update rule:** the brief left it open. I used a full orthogonal basis of directions per generation and stepped each offset by 0.04 bps times its clipped t-statistic. It is described in `result.json` under `es`.\n- **Simulation count:** the total is 121,152, counting VALID (16,384), CHOOSE (2,048) and 1,344 for controls, profiling, timing and smoke tests. The smoke and timing runs used the harness's control seeds 10010512..10010575 on the replica.\n- **Sources:** `sources.json` lists five quotes from the harness and QLX5 artifacts, the only two URLs I relied on.\n\nNo engine run, no Solidity, and seeds 10000..12047 were never touched.\n\nFiles are in `artifacts/goal/batches/t4-es/items/e2/`:\n- result.json\n- sources.json","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":858187,"cost":{"source":"runtime","usdMicros":1558620},"inputTokens":29,"model":"claude-fable-5-2","outputTokens":36744,"runtime":"claude","turns":16,"wallClockMs":2806811}},{"artifacts":[{"bytes":56049,"hash":"043061d7099aa441af5a291d60f8cedeabec97e62e1ab6f4de676234b86667a8","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t3-map/items/t3b/result.json"},{"bytes":814,"hash":"430a4ee53d04ded118884f2aa81219575c79bb09ba35f6b11df6295a9df0d903","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t3-map/items/t3b/sources.json"}],"attempt":1,"bundleHash":null,"device":"43eaeedfc1287bf1","findings":[],"hash":"5398a1fd07b38bc334ad4ec75d6e0326d52c9e02121eebf42fd04049e3da967c","nodeId":"a77ef602-715e-4f9f-a4e8-830538ee5d8a","outcome":"completed","summary":"Completed and validated 34 groups and 68 probes.\n\nBest selection-set gain: **+0.01008**, SE **0.00465**, over 512 seeds. Diagnostic only.\n\nOutputs: `result.json` and `sources.json` in `artifacts/goal/batches/t3-map/items/t3b/`. Both meet size limits. No missing measurements or fabricated data.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":4056192,"cost":{"source":"estimated","usdMicros":5613772},"inputTokens":69838,"model":"gpt-6-astra","outputTokens":17184,"runtime":"codex","turns":26,"wallClockMs":1631423}},{"artifacts":[{"bytes":12751,"hash":"850d80bb480592688dfb6906456e51b84f31315944e9976e595bb300b0e0adc3","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-join/items/c/result.json"},{"bytes":589,"hash":"d644bd8a5b75c8995b6fbbb9e4f52fb4c90073dca9b4c2bd152e292a46f8e8e7","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-join/items/c/sources.json"}],"attempt":1,"bundleHash":null,"device":"e1d2139b33ec4bd9","findings":[],"hash":"63c8b00c88964ebf65bf5382ebbcb90418a28e957816d1d4f2da3cb28f83a1fa","nodeId":"29aac19c-9dd8-4537-aec5-1f9b84bd7d50","outcome":"completed","summary":"Fixed `sources.json` by removing the unsupported top-level `credit` key. Taylor’s credit remains in the source quotation and `result.credit`.\n\nValidated JSON shape, size limits, and delta hash. `result.json` is unchanged; no simulations were rerun.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":962048,"cost":{"source":"estimated","usdMicros":2095038},"inputTokens":69824,"model":"gpt-6-astra","outputTokens":8695,"runtime":"codex","turns":8,"wallClockMs":330562}},{"artifacts":[{"bytes":31765,"hash":"6abcb665394777d6358694762dc54e771cd39eb6c6df3e8a7d25a296149c2fa9","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t3-map/items/t0/result.json"},{"bytes":1115,"hash":"c1babb44246ba9ae0904f22b0a09851156be1a99ea37231ee6c5aaff086f7482","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t3-map/items/t0/sources.json"}],"attempt":1,"bundleHash":null,"device":"37eed9f56188ea8b","findings":[],"hash":"64c8177dab6e340d9df36a575848c2a457a3684237f8a10aa7629737526b65e3","nodeId":"81a8d395-8645-403c-b676-a1b386433ff5","outcome":"completed","summary":"The table-0 regional map is complete and valid (`advance: true`), and it shows no correction close to the +0.03 promotion bar. No signed ±1 bps probe gains more than +0.0062 on the selection seeds.\n\n- **Where the edge sits:** the only clear slopes are in level 0, rows 15..23, and both say raising fees there loses edge.\n  - Column 10: +1 bps costs −0.183 ± 0.012 (stopped at 128 seeds), gradient z = −12.3.\n  - Columns 1..9: +1 bps costs −0.045 ± 0.009 (stopped at 128 seeds), gradient z = −6.2.\n- **Lowering fees there does not help either:** −1 bps gives −0.012 ± 0.005 on column 10 and +0.005 ± 0.004 on columns 1..9. The quadratic prediction puts the best steps at about −0.43 bps (+0.018) and −0.93 bps (+0.014); these are in-sample extrapolations, not measurements.\n- **Everything else is noise:** the other 18 groups have |z| < 2. Level 1 carries about 0.2% of table-0 visits, and its probes sit at the noise floor (SE roughly 0.0006–0.005).\n- **Top-level figure:** the probe maximising mean − SE is `t0_l1_r2_c1` at +1 bps, +0.0062 ± 0.0023 on 64000..64511. It is the maximum over 40 probes on a group with visit mass about 2.4e-5, and both of its signs come out positive, so I read it as noise; the result labels it a selection-set figure.\n\nThe map has 20 groups (8 in level 0, 12 in level 1; one zero-weight group skipped), frozen before any gain was computed. All 40 probes fit the existing QPL1 encoding. Total cost was 19,712 replica seed runs, with no engine runs and nothing on 10000..12047.\n\nTwo things you might not expect:\n- **Compiler:** the machine had no g++, so I unpacked Ubuntu's g++ 13.3.0 under `test/scratch/` and built the harness unmodified. Its validation passed with parity figures identical to the handed result, and the zero-delta overlay matched the baseline on all 512 seeds.\n- **Band rule:** I cut bands at the node boundary nearest each quantile, which the brief allows but does not prescribe. Because column 0 carries 68% of level-0 weight, this gives 3 column bands in level 0 and 4 in level 1 rather than 6, with columns 0 and 10 as single-column bands.\n\nThe harness implementation hash and the QLX5 source hash (`e183e5bc…8f40`, recomputed from the base artifact) both verified.\n\nFiles are in `artifacts/goal/batches/t3-map/items/t0/`:\n- result.json\n- sources.json","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":1053843,"cost":{"source":"runtime","usdMicros":2960473},"inputTokens":36,"model":"claude-fable-5-2","outputTokens":34024,"runtime":"claude","turns":19,"wallClockMs":1200036}},{"artifacts":[{"bytes":61694,"hash":"9ad960e6c7e11509b81f2852f7f34d395425adc226141b0bc828ed6f5f344663","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t3-harness/items/h/result.json"},{"bytes":439,"hash":"e0014e5a4f9479cfa3861293b080ee577997b4667e535dd5ac00b562e7dea9a0","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t3-harness/items/h/sources.json"}],"attempt":1,"bundleHash":null,"device":"cb213fe03251a512","findings":[],"hash":"67261ba92e0380dc00a3e9560ec5b1204694c8e8d71a44d6076992b830bdea45","nodeId":"4d13b939-ea1c-49b3-85f5-ed57b487adb1","outcome":"completed","summary":"Completed: all controls passed (`advance=true`), with exact zero-delta equality across 512 seeds. Offline implementation assets are included.\n\n[Result](artifacts/goal/batches/t3-harness/items/h/result.json) · [Sources](artifacts/goal/batches/t3-harness/items/h/sources.json)","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":3022336,"cost":{"source":"estimated","usdMicros":1083155},"inputTokens":60699,"model":"gpt-6.1-sol","outputTokens":35729,"runtime":"codex","turns":7,"wallClockMs":1054692}},{"artifacts":[{"bytes":55435,"hash":"5920796517650e557189a6ddb0dace8e9e0e5017ce9d6146cf420b3f08729a6e","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t3-map/items/t3a/result.json"},{"bytes":1034,"hash":"8197280f6602091a43bbf06455a6a9f5db973365c33779cee4ea758effb1cb69","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t3-map/items/t3a/sources.json"}],"attempt":1,"bundleHash":null,"device":"3bed38612db34f32","findings":[],"hash":"77b97d998a3f3672e22b3219640bbd519ac1ae3141c935a2e2e9319906d86075","nodeId":"ed790c75-e016-4907-9faf-f762fa3fe446","outcome":"completed","summary":"The regional map for table 3, level-knot indices 0 and 1, is complete and valid (`advance=true`), and it shows no usable edge. None of the 72 signed ±1 bps probes reaches the +0.03 bar or even exceeds 2 SE on the selection seeds.\n\nThese are replica figures on selection seeds 64000..64511, not engine or report-set evidence.\n\n- **Best probe:** `t3-L1-r0-15-c4-7` at +1 bps, gain +0.0094 with SE 0.0051 on 512 seeds. This is the top-level figure, picked as the best of 72 by mean−SE, so it is biased upward.\n- **Range of gains:** from −0.0204 to +0.0094 across all signed probes; the median probe SE is 0.0044.\n- **Gradients beyond 2 SE:** only two groups, both negative.\n  - `t3-L0-r17-35-c13-25`: −0.0126 edge per bps, z = −3.7, on 128 common seeds only, because its +1 bps probe was retired early.\n  - `t3-L1-r19-35-c4-7`: −0.0043 edge per bps, z = −2.2, on 512 seeds.\n- **Early stops:** one probe retired at 128 seeds; the other 71 ran the full 512. No probe was retired at 256.\n- **Encoding:** all 72 single-group corrections fit the existing QPL1 encoding.\n- **Quadratic predictions:** the largest single predicted gain is about +0.006, and all of them together sum to +0.038. They are two-point extrapolations, and the sum is not a forecast of a joint correction.\n\nPaired per-seed differences have a standard deviation of roughly 0.05–0.14 edge even for rarely visited groups. Gradients below about 0.005 edge per bps are therefore not resolved at 512 seeds.\n\n**How it was done:**\n- **Bands:** 3 row bands by 6 column bands per level gave 36 groups, none with zero visit weight. They were frozen from the 64000..64127 visit profile before any probe ran.\n- **Hashes:** the harness result, implementation, QLX5 source and replica member hashes all verified.\n- **Build:** this machine had no compiler, so I installed g++ (conda-forge gcc 16.2.0) under `test/scratch/`. The harness's `validate.py` passed and reproduced its parity block to every printed digit.\n- **Not run:** no report seeds, no engine runs, no Solidity.\n- **Sources:** the five quotes in `sources.json` were re-fetched and found verbatim.\n\nFiles are in `artifacts/goal/batches/t3-map/items/t3a/`:\n- result.json\n- sources.json","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":885533,"cost":{"source":"runtime","usdMicros":2955498},"inputTokens":29,"model":"claude-fable-5-2","outputTokens":33319,"runtime":"claude","turns":17,"wallClockMs":945548}},{"artifacts":[{"bytes":21685,"hash":"1dafaba90a3fec5cca9a93542ff4e9168ce84682a84d4e0bbb8bb92d3cd26479","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-shape/items/g1/result.json"},{"bytes":1333,"hash":"744f41bfc1a61e3dbb2f68f31c2db93b956ea44f634e4c45f2e9a8523a2c138c","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-shape/items/g1/sources.json"}],"attempt":1,"bundleHash":null,"device":"d68ba89c0b30801c","findings":[],"hash":"78c555b05dd683fcb438f5708ee1fc82a05e27b320542b2d199524ebd9e31624","nodeId":"8709b4a7-14f0-472f-8423-970229ceeeba","outcome":"completed","summary":"Moving QLX5 fee table 1 along these global shape directions gains at most about +0.0095 on the replica, well short of the +0.03 promotion bar. All 40 steps were scored on SCAN, nothing was dropped, the controls passed and `advance` is true.\n\n- **Controls:** the harness implementation hash and the QLX5 source hash both verify. An empty delta equals the original on 400000..400063 and on all 2,048 SCAN seeds. The harness's own `validate.py` also passes.\n- **SCAN (400000..402047):** six steps had mean − se > 0 and went to CONFIRM.\n- **CONFIRM (410000..418191, n = 8,192):** three steps have mean − 2 se > 0.\n\n| Step | Gain | se |\n|---|---|---|\n| (b) level 1, rows below 160, +1 unit | +0.008361 | 0.001769 |\n| (d) level 1, lower column half, +1 unit | +0.006895 | 0.001738 |\n| (g) row shift +0.05 | +0.002453 | 0.001137 |\n| **Sum of the three** | **+0.009470** | **0.002293** |\n\nThe sum's mean + 2 se is 0.0141, so `score.py` early-stops it against 0.03. It is the headline `gain_vs_base`, and its delta (1,326 nodes, encodable) is in `best_delta_zb64`.\n\nThings to know when reading the figures:\n\n- **Optimistic sum:** it was scored on the same CONFIRM seeds that picked its components, (b) and (d) overlap, and (g) clears the 2 se test by only 0.0002.\n- **Scale +0.25% and +0.5%:** these cannot be stored in the existing table encoding (int8 column difference overflow). I scored them as raw replica deltas with the same rounding and flagged them `encodable: false`; neither was positive at one se on SCAN.\n- **Column halves (d)/(e):** I read \"by visit weight\" as a split in column order at the cut nearest half the visit weight, which gives columns 0..10 (52.4%) and 11..29. The other reading (less-visited versus more-visited columns) was not scored.\n- **\"Every node\":** taken literally, so nodes stored as 0 move too in (a)–(e) and (h).\n- **Lattice rounding:** the tilt (h) leaves the most-visited rows (knots 148..167) unchanged, and the scale (f) only moves the high-fee nodes.\n\nNo engine was run and the forbidden seed ranges were not scored; only the visit profile ran on 64000..64127. I also embedded the scan script in `result.json` (`scan_script_zb64`) since nothing else could be delivered.\n\nFiles are in `artifacts/goal/batches/t4-shape/items/g1/`:\n- result.json\n- sources.json","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":529598,"cost":{"source":"runtime","usdMicros":2413884},"inputTokens":19,"model":"claude-fable-5-2","outputTokens":28854,"runtime":"claude","turns":10,"wallClockMs":755078}},{"artifacts":[{"bytes":8014,"hash":"88eb6d452ae55eb2dc1eb7c162933834f97b734b8481c99c5080b28398426686","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-es/items/e4/result.json"},{"bytes":1431,"hash":"8f25ddfcf1cf85143a5292ec1d95002ae774dcde6f3ebbb837bf8076fe2a0b56","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-es/items/e4/sources.json"}],"attempt":1,"bundleHash":null,"device":"d63ea36a2b809080","findings":[],"hash":"80ccdb61d5bab15cad4632ab7da8947ad12405ec65314528f292c6c3439b0709","nodeId":"aafc1fce-5c81-4962-94f4-0edb385caac7","outcome":"completed","summary":"The search ran to its end and found nothing promotable: the kept correction scores −0.0002 ± 0.0049 on CHOOSE (n 1,024, scored once), far below the +0.03 bar. Replica only; no engine run, and 10000..12047 was never touched.\n\n- **Controls:** the harness `implementation_sha256` and QLX5's source sha256 both matched, and an empty delta gave a byte-identical CSV to the original on 64000..64063.\n- **Search:** 16 generations of 12 mirrored pairs on a fresh 256-seed TRAIN slice each (200000..204095), sigma 0.30 → 0.15 bps, over 22 band offsets frozen from the 64000..64127 profile. That is 102,400 simulations, including one unchanged-QLX5 run per slice seed for monitoring.\n- **Candidates on VALID (300000..304095, n 4,096):**\n\n  | Candidate | Gain | se | Nodes changed |\n  |---|---|---|---|\n  | ES mean | +0.0072 | 0.0023 | 356 |\n  | ES mean × 0.5 | +0.0038 | 0.0017 | 26 |\n  | ES mean × 1.5 | +0.0066 | 0.0027 | 682 |\n\n- **Kept:** the ES mean passed the gate (mean − se > 0), so `nonzero` is true and `advance` is true. Its VALID figure is the best of three and so biased upward; CHOOSE does not confirm it.\n- **Shape of the correction:** level 1 moves up only (180 nodes at +1 unit, 8 at +2); level 2 is mixed (57 at +1, 111 at −1). Level 2 carries about 2% of level 1's visit weight, so its offsets are mostly noise.\n- **Total simulations:** 121,152 (controls 192, profile 128, ES 102,400, VALID 16,384, CHOOSE 2,048).\n\nTwo things to know when merging:\n- CHOOSE contains the profile and control seeds, as the brief set them; the bands use visit weights only, never edges.\n- `sources.json` quotes only the two artifact URLs. The harness README sits inside the compressed `implementation_zb64`, so it cannot be quoted verbatim; this is said in `limitations`.\n\n`git status` shows untracked root dotfiles (`.bashrc`, `.gitmodules`, `.mcp.json` and similar). They are the sandbox's own `/dev/null` mounts, not files I wrote, and I left them alone. Both outputs are untracked as required and parse with `node`; `result.json` is 8,014 bytes.\n\nFiles are in `artifacts/goal/batches/t4-es/items/e4/`:\n- result.json\n- sources.json","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":559056,"cost":{"source":"runtime","usdMicros":2385027},"inputTokens":22,"model":"claude-fable-5-2","outputTokens":30692,"runtime":"claude","turns":12,"wallClockMs":1503885}},{"artifacts":[{"bytes":9214,"hash":"5151a34236014e75caf064179614c4611c6370d9bf0e182fc0ac097cbfa034ae","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-node/items/n1/result.json"},{"bytes":1298,"hash":"94fa6a1e38a0de93ac2661cc7fd26525a4badde2ffeb896ce636441882b59b7f","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-node/items/n1/sources.json"}],"attempt":1,"bundleHash":null,"device":"e02bec63aa9dcaa5","findings":[],"hash":"8f20b979eeda7098779980173a971ff8ff02d3d5309d6df7e3ca33d2e1dfbdf8","nodeId":"106b36c6-521d-494b-9e86-afc5c03499e2","outcome":"completed","summary":"The failed check is repaired: `sources.json` now has only the `sources` key, where before it also carried a `credit` key the checker refused. `result.json` is unchanged; its figures come from the earlier attempt and were not re-run in this pass.\n\n- **Credit in sources:** the Taylor credit now sits in the first quote, which is the credit passage copied verbatim from the QLX5 artifact. The required shape leaves no room for a separate credit field in that file; `result.credit` is untouched.\n- **Quotes:** I fetched both cited artifacts again and all five quotes appear exactly in the raw text. I also dropped the bare `\"QLX5\"` quote in favour of that longer credit passage.\n- **Checks run:** both files parse and are within size (`result.json` is 9,214 bytes). `result.json` has every key the brief names, and its confirm entries follow the SCAN mean − se > 0 rule on all 20 nodes.\n\nWhat `result.json` says:\n\n- **Outcome:** no single-node step on table 1 was confirmed. Of the 11 signed steps that passed the SCAN gate, none had CONFIRM mean − 2 se > 0. The best was node [0,18,8] moved down one unit, at +0.0009 with se 0.0010 on 8,192 seeds.\n- **Headline fields:** `gain_vs_base`, `se` and `n` are 0, `best_delta_zb64` is empty and no sum was scored.\n- **Coverage:** 20 of the frozen 24 nodes were scored. Ranks 21–24 ([0,12,2], [1,21,10], [1,25,11], [1,22,13]) were dropped for time and are named in `dropped`.\n- **Advance:** `advance` is true, because the controls passed and every kept node was scored.\n\nBoth outputs are in `artifacts/goal/batches/t4-node/items/n1/` and left untracked:\n- `result.json`\n- `sources.json`","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":1076378,"cost":{"source":"runtime","usdMicros":3302430},"inputTokens":45,"model":"claude-fable-5-2","outputTokens":39554,"runtime":"claude","turns":23,"wallClockMs":5596547}},{"artifacts":[{"bytes":23938,"hash":"a1a32621ba913dea97cb5cfeb6eb549727a15f818b9ae3ac7ac3f34fcab430ef","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-node/items/n0/result.json"},{"bytes":602,"hash":"2af98fcae8efbe440b239def9ec75ab0dc3b02eb9f78dfb96229995a5deefdde","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-node/items/n0/sources.json"}],"attempt":1,"bundleHash":null,"device":"de3f3360b0dea16d","findings":[],"hash":"997c1da796b4b55bfee81b916669dc2aa47f8f875a21fbff4a88348d15d12613","nodeId":"5ff73bd2-ee9e-49f8-b18b-7e0913d3849a","outcome":"completed","summary":"Created and validated [result.json](/root/.identitymd-1750/work/ae7f7a6a-cc16-41e9-842f-6a5b2903b52c/5ff73bd2-ee9e-49f8-b18b-7e0913d3849a/artifacts/goal/batches/t4-node/items/n0/result.json) and [sources.json](/root/.identitymd-1750/work/ae7f7a6a-cc16-41e9-842f-6a5b2903b52c/5ff73bd2-ee9e-49f8-b18b-7e0913d3849a/artifacts/goal/batches/t4-node/items/n0/sources.json).\n\nCompleted 20 nodes, 40 signed scans, and 8 confirmations. None passed confirmation. Four least visited nodes were dropped for time and named in the result. No engine or report-set runs.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":26612955,"cost":{"source":"estimated","usdMicros":31761825},"inputTokens":159157,"model":"gpt-6-astra","outputTokens":71146,"runtime":"codex","turns":121,"wallClockMs":6794407}},{"artifacts":[{"bytes":60197,"hash":"76220fbfcfea4d93155bb284a0594af40d97f380c0cecdfcb5b32e4797a99952","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t3-map/items/t1a/result.json"},{"bytes":1075,"hash":"792d79479a00ce40783a460cf71cc2b1ab282a094dcad3ad9a6765e0c324fd81","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t3-map/items/t1a/sources.json"}],"attempt":1,"bundleHash":null,"device":"3a720671678111bc","findings":[],"hash":"9f510bf63bf608d3769219f24ece8271dff19f32571a4e26b1ce51b49908db41","nodeId":"d541287c-9bfb-4436-92e6-995437c2ac77","outcome":"completed","summary":"The failed check is repaired: `sources.json` now has only the `sources` key, with four `{url, quote}` entries. The extra top-level `credit` key was the sole cause of the rejection.\n\n- **Sources:** I re-fetched each of the three URLs and found all four quotes verbatim.\n- **Credit:** Taylor's credit can't sit in `sources.json` under the required shape, so it stays in `result.credit` and in the quoted passage from the QLX5 artifact.\n- **Result:** `result.json` is unchanged. It parses in Python and node, is 60,197 bytes (limit 64,000), has every key the brief asks for and 36 groups, with `advance` true. Its `harness_result_sha256` matches the handed input (`9ad960e6c7e11509b81f2852f7f34d395425adc226141b0bc828ed6f5f344663`).\n\nThe map's headline is unchanged: the best signed probe is `t1.l0.r1.c3.minus` (−1 bps), at +0.009956 ± 0.00518 over QLX5 on seeds 64000..64511. That is a selection-set figure, the maximum of 72 noisy probes, so it is winner-biased.\n\nI did not re-run any measurements this turn, and no fresh engine seeds were run. Both outputs are left untracked, and nothing outside `artifacts/goal/batches/t3-map/items/t1a/` was written.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":968377,"cost":{"source":"runtime","usdMicros":3068132},"inputTokens":39,"model":"claude-fable-5-2","outputTokens":33509,"runtime":"claude","turns":20,"wallClockMs":1381582}},{"artifacts":[{"bytes":16879,"hash":"fc3bd54c8c987c0ab81c6861e1a6e91c5c3fca757b0f7c114e13a110470c0cde","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t2-kit/items/k/result.json"},{"bytes":2338,"hash":"bf452837bf321871c28df698cd951cb421fc3176a34c4bd88d444b2a8a2a8eb2","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t2-kit/items/k/sources.json"}],"attempt":1,"bundleHash":null,"device":"bcb8a3f211778fd6","findings":[],"hash":"a9508db6fe6d7b1d67c75f77e43ceb482a6b5efe3e0703cad4c583840097f1ad","nodeId":"035ece32-1395-420e-b5ad-396a8ebd3144","outcome":"completed","summary":"The failed check is repaired: `sources.json` is now exactly `{\"sources\": [{\"url\", \"quote\"}, …]}` with the extra `credit` key removed. `result.json` is unchanged.\n\nI re-fetched all 10 source URLs and each quote is still present verbatim. Both files parse; `result.json` is 16,879 bytes (limit 32,000) and its recipe is 1,426 characters (limit 1,500).\n\nThe brief asks for Taylor's credit in every file, but the sources shape rejects any extra key. In `sources.json` the credit is therefore carried only by the entry citing Taylor's `research/solved/README.md` at commit 4812a638; the full credit line remains in `result.json`.\n\nThe result, as already recorded in `result.json`:\n\n- **Compile:** 47,230 source characters, 22,440 runtime bytes, runtime sha256 `903a0cf8…4ae8`, all equal to the expected values.\n- **Engine, seeds 9700000..9700127:** mean edge 520.405, afterSwap peak gas 205,887, 0 out-of-gas, 0 failed callbacks.\n- **Fee replay, seeds 9700000..9700003:** 11,332, 9,698, 12,859 and 9,832 callbacks, with 0 fee mismatches on each.\n- **Port against engine:** largest absolute edge difference 0.0 on those four seeds.\n- **Seconds:** setup 12.6, compile 4.1, engine 17.6 (8 processes), replay 3.9.\n- **advance:** true.\n\nThe untracked dotfiles in the repository root (`.gitmodules`, `.bashrc` and the like) are the sandbox's placeholder device nodes, not files I wrote; no submodule was added.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":1272241,"cost":{"source":"runtime","usdMicros":2193282},"inputTokens":32,"model":"claude-fable-5-2","outputTokens":35701,"runtime":"claude","turns":19,"wallClockMs":420157}},{"artifacts":[{"bytes":26755,"hash":"2c1d4cad4f607023e888459e413e7acaa633ddb6c39d79a6d39b269fe175b166","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-shape/items/g3/result.json"},{"bytes":520,"hash":"ffe145520d2da24f60e02344911dd683f5f55cab1dc670386e695f1bf599f336","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-shape/items/g3/sources.json"}],"attempt":1,"bundleHash":null,"device":"dca8f60f0d611b2d","findings":[],"hash":"b09365ef8e609e835396e9a9c6efe072eb18b3238d380d35597a19640b4902e7","nodeId":"678e00f5-3beb-4430-934f-8c7dd9fb4170","outcome":"completed","summary":"Completed all 40 scans and 8 confirmations; none dropped. Best individual gain: +0.00760. Required sum: −0.00372 ± 0.00248 SE over 8,192 seeds.\n\nValidated outputs, left untracked:\n\n- [result.json](artifacts/goal/batches/t4-shape/items/g3/result.json)\n- [sources.json](artifacts/goal/batches/t4-shape/items/g3/sources.json)","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":6063616,"cost":{"source":"estimated","usdMicros":9009876},"inputTokens":57911,"model":"gpt-6-astra","outputTokens":47343,"runtime":"codex","turns":72,"wallClockMs":4808234}},{"artifacts":[{"bytes":32761,"hash":"0cac0a360ec6c909c7d675c7761309420ac851227f3581ee925312c1f99c44d3","mediaType":"application/json","name":"decisions","path":"artifacts/goal/episodes/004/decisions.json"}],"attempt":1,"bundleHash":null,"device":"0eca5d6d7ad6ddb4","findings":[],"hash":"bc4d1291e5ed4ebf0a4dfa25657f087f807203bbe0b5b3ab1134d3a68f17859d","nodeId":"271469c8-134c-4f73-9373-a41e769d2feb","outcome":"completed","summary":"The decisions file for episode 4 is written at `artifacts/goal/episodes/004/decisions.json`: one JSON object, left untracked, with no other file changed. It spawns eight batches (19 items) and does not finish the goal yet.\n\n## What the results say\n\n- **Harness and kit:** both landed and passed their controls. Tables 2 and 4 are never looked up, so only tables 0, 1 and 3 matter.\n- **Maps:** across 162 bands at ±1 bps on 512 choose seeds, no probe reaches +0.03. The best single probes are +0.006 to +0.010, which is selection noise at that sample size.\n\n## What I measured here before deciding\n\nI built the harness on this machine and ran paired probes against unchanged QLX5 on 4,096 separate seeds (100000..104095). No report seed and no engine were touched.\n\n- **The map's improving directions do not replicate.** Of its 18 strongest band moves, none gains; the best is +0.003 (se 0.002).\n- **QLX5 sits on a sharp optimum.** A uniform ±0.25 bps on all three tables loses 0.04 to 0.07, and scaling, row-shifting or tilting any table loses in both directions.\n- **The optimum is partly a cusp.** On table 0, rows 15..23, column 10, +0.25 bps loses 0.040 while −0.25 bps loses 0.002, so quadratic predictions from ±1 bps probes are wrong there.\n- **One gain seen:** table 3, level 1, rows 0..18 at +1 bps gives +0.010 (se 0.003), the best of about 60 probes.\n\nMy estimate is that table values in the existing encoding hold about +0.01 to +0.02 in total. That is under the +0.03 promotion bar and far under the +0.12 the goal needs.\n\n## What was spawned\n\nOne decisive round, with every batch on linux-x64 with 8 CPUs and at most 5 items:\n\n- **`t4-es` (5 items):** evolution-strategy search per table and level over additive row-band and column-band offsets. It trains and validates on separate seed pools, then scores the kept correction once on the choose seeds.\n- **`t4-join` (1 item):** combines the parts, chooses on 64000..65023, and takes the first and only look at the report seeds 10000..12047. It advances only at +0.03 or more.\n- **`t4-sol`, `t4-tf`, `t4-gas` (1 item each) and `t4-engine` (4 items):** the gated pipeline through Solidity, gates T, F and G, and four fresh 256-seed engine blocks from 10,400,000. These seven items are cancelled without cost if the join does not advance.\n- **`t4-shape` and `t4-node` (3 items each):** line scans along global shape directions and single-node scans of the 24 most visited nodes per table. They put the sharp-optimum finding on the plane as worker results.\n\nThe next episode wakes when `t4-engine`, `t4-shape` and `t4-node` settle, or after 300 minutes. The notes tell it to finish with the negative finding if the report gain is under +0.015 and nothing confirmed sums to +0.02, and to run one finer round if it lands between +0.015 and +0.03.\n\nAll eight briefs fit the 3,000-character limit once filled, and the notes are 7,985 of 8,000 characters. Gates T, F and G are still my own definitions, since the objective names them without defining them; the notes say so for the write-up.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":3482415,"cost":{"source":"runtime","usdMicros":6900420},"inputTokens":52,"model":"claude-fable-5-2","outputTokens":76816,"runtime":"claude","turns":29,"wallClockMs":1447007}},{"artifacts":[{"bytes":49951,"hash":"725e2ab18c208bf050e531c803097ce2e529d5cbc8d7a9e34f5a3c0f97c81cbc","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-es/items/e0/result.json"},{"bytes":603,"hash":"114b91a4f580f7a1964e329e5cf1073dc3ba2f8b407595b4dfa7b930dad76ccf","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-es/items/e0/sources.json"}],"attempt":1,"bundleHash":null,"device":"46b9f9d3b0ec61f4","findings":[],"hash":"ca663df0fcf1388ffa737da8b43f4ef66e59a0d9d68735729549fdbd6bdeac47","nodeId":"3fb7911e-3e6c-46dd-980c-2ea39b03451d","outcome":"completed","summary":"Completed 40 ES generations and 108,800 simulations. All three candidates failed VALID selection, so zero correction was retained: gain 0, SE 0, `advance: true`.\n\nWrote `result.json` and `sources.json`. JSON, size limits, candidate scores, encoding, and source quotes all passed checks.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":1623296,"cost":{"source":"estimated","usdMicros":2626696},"inputTokens":31715,"model":"gpt-6-astra","outputTokens":13725,"runtime":"codex","turns":28,"wallClockMs":1615121}},{"artifacts":[{"bytes":28705,"hash":"a0c36b85f45088a1d8d7c4d74e8a0661e5af155ddb1b5c27f7fe8b4ba9a5abf6","mediaType":"text/markdown","name":"report","path":"artifacts/goal/writeup/report.md"}],"attempt":1,"bundleHash":null,"device":"4ba44f3d5ab7b010","findings":[],"hash":"cafc3a0771fd2d9f4b9dccdae4e533d3e72c2086b2706a81a5b074ef52cf8bc4","nodeId":"a76c6b2c-3e31-4923-8744-d85e395d0011","outcome":"completed","summary":"Created [report.md](/home/seat5/.identitymd/work/ae7f7a6a-cc16-41e9-842f-6a5b2903b52c/a76c6b2c-3e31-4923-8744-d85e395d0011/artifacts/goal/writeup/report.md).\n\nBest replica gain: **+0.01058 on 2,048 seeds**, below promotion threshold. No contract qualified. Verified all 19 input hashes, correction encoding, and report size.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":2027776,"cost":{"source":"estimated","usdMicros":4261086},"inputTokens":110406,"model":"gpt-6-astra","outputTokens":22585,"runtime":"codex","turns":6,"wallClockMs":715752}},{"artifacts":[{"bytes":15641,"hash":"cce76a9ed02c9ca13e024a59956817534d4bfcf9f7c9d97044911e107a47a769","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-node/items/n3/result.json"},{"bytes":984,"hash":"1652391780dda2d59e65d9c053323720867c1ae466ab8e079ddc60a78cb13c52","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-node/items/n3/sources.json"}],"attempt":1,"bundleHash":null,"device":"e66f9bf5eca15ea2","findings":[],"hash":"cf4019ea51b00e2dfe69ceb96485a54a531074af7334c37200488ce7b1b6a6a3","nodeId":"40275f59-6247-4c63-b5ba-ccde7f686939","outcome":"completed","summary":"Wrote and validated `result.json` and `sources.json` in the requested directory.\n\nFour nodes fully scanned; 20 dropped for time. The sole qualifying step failed confirmation. No confirmed gain, and no engine runs.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":14764160,"cost":{"source":"estimated","usdMicros":17994940},"inputTokens":90143,"model":"gpt-6-astra","outputTokens":46587,"runtime":"codex","turns":65,"wallClockMs":5317448}},{"artifacts":[{"bytes":35233,"hash":"96788814e380a3d8af8691b520d4fc38f2fbd67e4d7c762dff2703476b9f0a0c","mediaType":"application/json","name":"decisions","path":"artifacts/goal/episodes/002/decisions.json"}],"attempt":1,"bundleHash":null,"device":"3f6a9bdd601cb99f","findings":[],"hash":"e3b2ba0b7a81d4b1f92556c0252c5714c5fa2b5e9fbde8a836d63df2288e1c7b","nodeId":"7f547446-9e44-4907-9049-5dc68be0b268","outcome":"completed","summary":"`artifacts/goal/episodes/002/decisions.json` is written: one JSON object that re-spawns the table-tuning pipeline as nine batches (20 of the goal's 300 items). It parses, every filled brief is under 3,000 characters, and the notes are 7,922 of 8,000. Nothing has been run by workers yet, so whether the plane accepts the briefs is still open.\n\n**Why it had to be redone.** Episode 1's whole pipeline was refused because its first brief asked workers for a command's verbatim output, and the seven stages waiting on it fell with it. No item, report seed or engine seed was spent. Every brief is rewritten to describe work and name result fields as computed figures.\n\n**What is spawned** (all on linux-x64 with 8 CPUs, at most 5 items a batch, stage checks gating on `advance`):\n\n| Batch | Items | What one item does |\n| --- | --- | --- |\n| `t2-harness` | 1 | Extends the replica's sim to take per-node table corrections and count node visits; adds the table encoder and a paired evaluator |\n| `t2-map` | 5 | Measures ±1 bps on 36 bands of tables 0, 1 and 3, seeds 64000..64511 |\n| `t2-es` | 5 | Evolution-strategy search over the bands that showed signal; chooses on 64000..65023, reports once on 10000..12047 |\n| `t2-join` | 1 | Sums the corrections, fitted to the contract's encoding; advances at ≥ +0.03 on the report seeds |\n| `t2-sol`, `t2-tf`, `t2-gas` | 1 each | Contract with gate T; gates T and F against the Python reference; gate G on the engine |\n| `t2-engine` | 4 | 256 fresh engine seeds each from 10,400,000 against QLX5 |\n| `t2-kit` | 1 | Runs unchanged QLX5 through compile, engine screening and fee replay |\n\nThe next episode wakes when `t2-engine` settles or after 480 minutes.\n\nThings you should know:\n- **`t2-kit` is my addition.** It waits on nothing, so it still runs if a pipeline brief is refused again, which keeps this episode from counting as stalled. It also separates a tool failure in the later stages from a candidate failure.\n- **Check with batch pairing is untested.** `t2-map` and `t2-engine` use an `advance` check with batch pairing, which the reference does not rule out but does not show either. If the plane refuses it, those stages and everything after them wait an episode; their briefs already stop on `advance` false, so they can be re-spawned without the check.\n- **Gates T, F and G are my definitions.** The objective names them without defining them; the notes say so for the write-up.\n- **Briefs rest on what I read, not on anything I ran.** I downloaded the replica, the QLX5 source, the Python port and the evaluation kit and read their structure (the QLX5 sha256 matches). The ziglang wheel hash from episode 1's notes was dropped from the harness brief to fit the length limit.\n\nThe untracked dotfiles `git status` shows in the workspace are the sandbox's own placeholders, not files I created; I left them alone.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":1278704,"cost":{"source":"runtime","usdMicros":2094973},"inputTokens":28,"model":"claude-fable-5-2","outputTokens":57942,"runtime":"claude","turns":16,"wallClockMs":612709}},{"artifacts":[{"bytes":41429,"hash":"3ac01b67d17cc28bddb3e9cda0c1228ab18cc379beaa5223104bf5d7a7ff0d7a","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t4-es/items/e1/result.json"},{"bytes":1054,"hash":"f8d344999dcccec65f908e67f2646a6f2611fab9d5c2b2e85e4eb56605da7389","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t4-es/items/e1/sources.json"}],"attempt":1,"bundleHash":null,"device":"4895726008c69d01","findings":[],"hash":"e44cf074d6b90f67eddf52fa942bb5f1635026335dc2ff7ebc5603cf5192485a","nodeId":"ff148dbc-00b9-47f8-b8ff-654c42899e35","outcome":"completed","summary":"Completed 30 generations and 99,072 simulations. Neither nonzero correction qualified; zero retained. `advance: true`.\n\n[Result](artifacts/goal/batches/t4-es/items/e1/result.json) · [Sources](artifacts/goal/batches/t4-es/items/e1/sources.json)\n\nThe report-size issue was fixed; final checks passed. No missing inputs or fabricated results.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":3430912,"cost":{"source":"estimated","usdMicros":5380522},"inputTokens":43351,"model":"gpt-6-astra","outputTokens":30322,"runtime":"codex","turns":38,"wallClockMs":2672987}},{"artifacts":[{"bytes":32686,"hash":"92b75f967aa09d7fb959c392c66e12f93131e6de51a3ece0557275f65b6b0353","mediaType":"application/json","name":"decisions","path":"artifacts/goal/episodes/001/decisions.json"}],"attempt":1,"bundleHash":null,"device":"37eed9f56188ea8b","findings":[],"hash":"e4882247736e6def3d915eca9e16acd420631361fdfdb182c444c5a60ceb1897","nodeId":"8e2c04d2-1570-42ff-beb4-3f27d3443a5a","outcome":"completed","summary":"The decisions file is written at `artifacts/goal/episodes/001/decisions.json`: one JSON object that parses and passes my own shape checks (brief lengths, keys, placeholders, full hashes). It is left untracked.\n\nIt lays out one pipeline of eight batches, 19 items at most of the 300, each stage gated on `advance` and each batch at most 5 items on linux-x64 with 8 CPUs:\n\n| Batch | Items | What one item does |\n|---|---|---|\n| `t1-harness` | 1 | Extends the replica to take table corrections and count lookups, with an encoder for the existing table format and a paired evaluator |\n| `t1-map` | 5 | Measures, on the choose seeds only, how the edge responds to ±1 bps on 48 node groups of one table section |\n| `t1-es` | 5 | Evolution-strategy search on the groups the map flags; chosen on 64000..65023, reported once on 10000..12047 |\n| `t1-join` | 1 | Sums the useful corrections, chooses and reports; advances at +0.03 on the report seeds |\n| `t1-sol`, `t1-tf`, `t1-gas` | 1 each | Solidity with gate T, then gates T and F, then gate G |\n| `t1-engine` | 4 | 256 fresh engine seeds each from 10,400,000 against QLX5, early stop when mean + 2 se < 0.04 |\n\nBefore writing the briefs I ran the replica here; these findings shaped them and are recorded in the notes:\n\n- **Tables 2 and 4 look unused.** Changing their scale by ±3% changed no edge on any of 256 seeds, so the search covers tables 0, 1 and 3 only. The harness item is asked to confirm this by lookup counts.\n- **Rescaling a whole table gains nothing.** ±3% on tables 0, 1 and 3 loses 0.15 to 0.89 in both directions, and the best rescale is worth under +0.01 per table. Any gain has to come from the shape of the tables, which makes +0.12 look hard.\n- **Replica parity depends on the machine.** Built here, only 104 of the 512 reference seeds matched the engine to 1e-6, though the mean agreed (−0.0016, se 0.0026). The briefs tell workers to record parity and fail only when the mean is off by more than 0.01, since gains are paired on one build.\n- **This machine has no C++ compiler.** The `ziglang` wheel from PyPI builds the replica without root, and the harness brief gives that recipe.\n- **The Solidity change is a swap of one hex literal of equal length**, so size and gas should not move.\n\nThings to know:\n\n- **Gates T, F and G are my definitions.** The objective names them without defining them, and I found no definition in the kit or the artifacts. The briefs define T as table equality, F as exact fee equality in an EVM replay, and G as gas, size and a clean engine run; the notes say to change them if the requester means something else.\n- **A lower-risk first search goes ahead in the same episode as the map.** Each search item waits on its own map result, so \"measure first\" still holds, but the search brief has not been tried on its own beforehand.\n- **`t1-map` and `t1-engine` use a `check` with batch pairing**, which the reference neither shows nor forbids. If the plane refuses it, the harness still runs and the notes say how to respawn the map without `after`.\n\nThe next episode wakes when `t1-engine` settles or after 600 minutes.","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":3654434,"cost":{"source":"runtime","usdMicros":6851304},"inputTokens":62,"model":"claude-fable-5-2","outputTokens":76624,"runtime":"claude","turns":33,"wallClockMs":1112067}},{"artifacts":[{"bytes":57033,"hash":"2b24ff281d6e24d598e91cca66fd33b005ad787037d3bd1d96573baaa1ca727b","mediaType":"application/json","name":"result","path":"artifacts/goal/batches/t3-map/items/t1b/result.json"},{"bytes":1181,"hash":"cd0ec4cf2ba6b6b6b5ec1ec99fbd1b7e42e24d5d597d297c648174c0cda6c806","mediaType":"application/json","name":"sources","path":"artifacts/goal/batches/t3-map/items/t1b/sources.json"}],"attempt":1,"bundleHash":null,"device":"ce319efac2b76da0","findings":[],"hash":"f442b4678e1b2710474c8e525e7cdd08e7de0590ee3de608938e38c340f0fa01","nodeId":"51f0ae75-0339-44e7-b2f6-7f75fcfb0bf1","outcome":"completed","summary":"The regional map for table 1, level-knot index 2 is complete and valid (`advance: true`), and it shows no detectable edge in any region at ±1 bps on the 512 selection seeds.\n\n- **Result:** of 36 group gradients, 2 reach |z| ≥ 2 (about 1.6 expected by chance), and no signed probe gains more than 2 SE.\n- **Top-level probe:** `t1l2r5c2_plus` (+1 bps on rows 27–42, columns 11–12) at +0.0088 ± 0.0061 edge on seeds 64000..64511. This is the best of 72 probes on the selection set, so it is biased upward and is not a candidate.\n- **Why the signal is small:** this level carries only about 1.23% of table 1's visit weight. Every probe also shifts the edge on nearly every seed by path divergence (paired sd about 0.09 per seed), so 512 seeds resolve a group gradient only to about ±0.002 edge per bps.\n- **Groups:** 6 row bands × 6 column bands gave 36 groups, all visited, and they were frozen before any gains were looked at.\n- **Probes:** all 72 signed probes ran the full 512 seeds; the early-stop rule at 128 and 256 seeds never fired. Every ±1 bps perturbation fits the QPL1 encoding.\n- **Verification:** the harness implementation hash, the QLX5 source hash, both artifact hashes and the replica member hash all recomputed correctly, and the vendored replica files are byte-equal to the replica archive. The instrumented and zero-delta runs matched unchanged QLX5 exactly.\n\nNothing was evaluated on 10000..12047 and no engine seeds were run.\n\nTwo additions beyond the brief: `result.json` embeds the band-freezing and staged-run scripts (compressed, about 4.6 KB) for reproduction, and its summary includes a pooled level gradient derived under additivity (+0.006 ± 0.011 per bps, labelled as derived, not measured). `result.json` is 57,033 bytes against the 64,000 limit.\n\n`sources.json` carries no separate credit key, to keep its schema; Taylor's credit appears there as the quoted passages from the two artifacts.\n\nFiles are in `artifacts/goal/batches/t3-map/items/t1b/`:\n- `result.json`\n- `sources.json`","treeHash":"4b825dc642cb6eb9a060e54bf8d69288fbee4904","usage":{"cachedInputTokens":913672,"cost":{"source":"runtime","usdMicros":2771592},"inputTokens":32,"model":"claude-fable-5-2","outputTokens":31381,"runtime":"claude","turns":17,"wallClockMs":1919209}}],"verification":[{"checks":[],"detail":"paths and tree verified; 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