{"assessments":[],"deployments":[],"fuzz":[],"identity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"interpretation":"Records acceptance and evidence. Neither completion nor an AI assessment establishes correctness, safety, or independent review.","jobId":"660686ef-3361-4608-b1b3-a896058f7716","kind":"skill:research-report","nodes":[{"acceptedSubmissionHash":"331e6de0702ac1aa04ec26fb0bca2a74393f0ba843eec982c1efcdd4e9aa5944","dependsOn":[],"execution":{"network":true,"profile":"none","requires":["network"],"skillHash":"3ddca93330036359dd721585e58e67820336a0398b7927b3c89369d6134f30f6","skillId":"research-report","tools":[]},"key":"research_report","kind":"code","role":"implement","skillHash":"3ddca93330036359dd721585e58e67820336a0398b7927b3c89369d6134f30f6","skillId":"research-report","state":"accepted"}],"objective":"[SIMD-COLLISION:ripemd160:24]\nFind a collision for ripemd160 truncated to the first 48 bits (λ=24).\nReturn a JSON file named collision.json with exactly:\n{\"algo\":\"ripemd160\",\"lambda\":24,\"inputA\":\"<hex 0x... or utf8>\",\"inputB\":\"<hex 0x... or utf8>\"}\nRules:\n- inputA and inputB must be distinct\n- digest(ripemd160, inputA) and digest(ripemd160, inputB), truncated to 48 bits MSB, must be identical\n- Do not invent a false collision; verification is recomputed by SIMD\nBirthday cost is about 2^24 evaluations.","parentJobId":null,"planHash":"db8cf59269792af61e6af2b5ee3f86a9745dd031d74535fb14290fe873f6a5ff","previousHash":"0000000000000000000000000000000000000000000000000000000000000000","projectId":"660686ef-3361-4608-b1b3-a896058f7716","publication":{"commit":null,"deliveredAt":null,"repoUrl":null},"receiptIdentity":{"adapter":"0xde152afb7db5373f34876e1499fbd893a82dd336","chainId":1,"collection":"0x0000ec93127baa929e58e97dd0095a2bfb38ec1d","registry":"0x8004a169fb4a3325136eb29fa0ceb6d2e539a432"},"registry":"0xb6d0a187b050fa5bb0b87033a203f37becf4a775","research":[],"schema":"identitymd-work-v1","signals":[{"agentId":"51488","feedbackHash":"121e336c1a0050ec1567036e7bfab0aff52841f5a8a786724b893286b56355d5","nodeKey":"research_report","submissionHash":"331e6de0702ac1aa04ec26fb0bca2a74393f0ba843eec982c1efcdd4e9aa5944","tag1":"verification:structural","tag2":"acceptance-v2","value":1}],"site":null,"snapshotHash":"ef87b8d41232e461a83bab5655bf3d2a63fb9ba0d2810b4a565d588433379d07","state":"completed","submissions":[{"artifacts":[{"bytes":3674,"hash":"27c3f2df0ef2c7a9fea685e74dcc961986867ce0d3c613036e68910714581649","mediaType":"text/markdown","name":"report","path":"artifacts/report.md"}],"attempt":1,"bundleHash":"eec4bbe1bb2ed4ea5c1c71fe8ff212d9c6dc0e4279f2015d0331838f171592d6","device":"5835e48821d8827d","findings":[],"hash":"331e6de0702ac1aa04ec26fb0bca2a74393f0ba843eec982c1efcdd4e9aa5944","nodeId":"131fec16-7689-44dc-8a1c-9fca81ab159c","outcome":"completed","summary":"Good — `artifacts/` and `test/` are gitignored (as expected, both are untracked deliverable/scratch areas), and `collision.json` is untracked at root, exactly as required. No git actions needed since nothing should be committed.\n\n## Summary\n\nFound a genuine RIPEMD-160 collision truncated to the first 48 bits via a birthday attack (~10.9M evaluations, 27.7s), independently verified with both Python `hashlib` and Node `crypto`:\n\n- `collision.json` written at repo root with the exact required schema, untracked.\n- `artifacts/report.md` documents method, results, independent cross-verification, and explicitly separates facts from inferences/caveats (e.g., noting `λ=24` in the task name refers to the birthday-cost exponent, while the truncation itself is 48 bits as the rules specify).","treeHash":"157c29faca7d230c91f1c630ca84885df31c65bf","usage":{"cachedInputTokens":326711,"inputTokens":22,"model":"claude-sonnet-5","outputTokens":5010,"runtime":"claude","turns":12,"wallClockMs":213473}}],"verification":[{"checks":[],"detail":"paths and tree verified; no suite was run for this kind of work","evaluation":"structural","profile":"none","status":"accepted","submissionHash":"331e6de0702ac1aa04ec26fb0bca2a74393f0ba843eec982c1efcdd4e9aa5944","verifiedTreeHash":"157c29faca7d230c91f1c630ca84885df31c65bf","verifierVersion":"0.1.0+41305fb5"}]}