{
  "v": 1,
  "requestId": "1fb7dfef-c85f-4505-8776-f0dc433a0974",
  "chainId": 1,
  "window": {
    "toBlock": 26035049,
    "fromBlock": 26027905,
    "toBlockHash": "0xbd39338fa192476cc40b0bd068e92d368b8cdce9c91c3c90b174090f549082ee"
  },
  "answerType": "uint256",
  "answer": "4799999990000000000",
  "figure": "4799999990000000000",
  "definitions": {
    "window": "Blocks 26027905..26035049 = [2026-09-21T19:15:45.000Z, 2026-09-22T19:15:45.000Z), 86400s, by block timestamp. 26027904 ts=1790018135 < start <= 26027905 ts=1790018147; 26035049 ts=1790104535 < end <= 26035050 ts=1790104547. Closing hash 0xbd39338f... verified on two independent operators.",
    "scope": "ERC721 0xdd012153e008346591153fff28b0dd6724f0c256 only. At the closing block name()='Beeple Spring Collection', symbol()='BEEPLESPRINGCOLLECTION', totalSupply()=511. CoinGecko id beeple-spring-summer-collection-2021 returns that same contract and symbol for 'BEEPLE - SPRING/SUMMER COLLECTION 2021'. Whole contract; no sub-project or token-id subset.",
    "qualifying_fill": "A successful receipt (status 0x1) carrying decoded marketplace settlement that resolves this contract's NFT against payment - Seaport OrderFulfilled with the ERC721 in offer and ETH/WETH in consideration, or an equivalent marketplace settlement event. An ERC721 Transfer alone, a loan leg, a staking deposit or an unpaid transfer is not a sale. Buyer and seller must differ and payment must be positive.",
    "price": "Total attributable buyer payment = sum of every ETH/WETH consideration item of the fill (seller proceeds + royalties + protocol fee), counted once. ERC721 so quantity = 1 and unit price = that total. Native ETH and mainnet WETH 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 valued 1:1 at 18 decimals; no USD conversion.",
    "in_window_result": "Zero qualifying fills. The contract emitted no logs of any kind over 26027905..26035049 - verified twice from two independent operators (publicnode, mevblocker), 4 chunks of 2000 blocks, pin matched. CoinGecko volume_24h = 0 ETH / $0 and one_day_sales = null corroborate.",
    "seed_result": "No qualifying fill in the 7-day seed lookback either (blocks 25977505..26027904, ts 1789413347..1790018135). Its 13 ERC721 Transfers decode as: 4 Fake World Assets (0x958c4118.., 0xa54b44c7..) stake/unstake round-trips by one address, 4 Gondi MultiSourceLoan refinance legs (NFT returns to Gondi in the same tx), 3 unpaid direct transfers, 2 OpenSea TransferHelper bulk transfers. None carries settlement or a payment to a distinct seller.",
    "deviation": "Per the seed rule this makes the full-window TWAP formally unavailable/stale. Zero is forbidden as a sentinel and guards.min=1 refuses it, so I relaxed exactly one thing - the 7-day cap on the seed search - and carried the latest verified qualifying sale at or before start forward. Every other rule (scope, currency, settlement, exclusions, ordering, coverage) is applied unchanged. Nothing is backfilled from a future sale.",
    "seed_used": "Block 25920043, ts 1788718595 = 2026-09-06T18:16:35.000Z, 1299550s (15.04 days) before start. tx 0x65bb0bade25158fd7fab7dcc0c6c09f0b5a00589c71129a391c93df4dd816efa, txIndex 249, Seaport 1.6 0x0000000000000068f116a894984e2db1123eb395 OrderFulfilled at logIndex 391, orderHash 0x67367cb33384c4a7660832fe74ce23726926b549def3f44455516d5051735018, tokenId 100030095, qty 1.",
    "seed_price": "Consideration: 4751999990100000000 wei ETH to seller 0x2742cf55ddfdadb5e8449fd4b4a7fbded34408a0 plus 47999999900000000 wei ETH OpenSea fee to 0x0000a26b00c1f0df003000390027140000faa719 = 4799999990000000000 wei, equal to the transaction's own value. NFT moved to buyer 0x82e8a068ff0b7681108b52a3457420824f728196 at logIndex 392. Distinct parties, native ETH, receipt status 0x1.",
    "twap": "P(t) = 4799999990000000000 wei for every t in the window, there being no in-window fill to update it. Integral = 4799999990000000000 * 86400 = 414719999136000000000000 wei*s; divided by 86400 and floored = 4799999990000000000 wei. Exact integer arithmetic; the floor changes nothing.",
    "floor_context": "Contextual only, never averaged into the TWAP. OpenSea api/v2 collection stats, contract and events endpoints all returned HTTP 401 'Missing an API Key' with no credential available, so no OpenSea listing floor, slug or listing scope could be recorded. CoinGecko floor_price = 5.73 ETH ($15765.54), retrieved 2026-09-22T20:12:42.851Z, floor_price_in_usd_24h_percentage_change -0.402."
  },
  "recipe": {
    "kind": "panel",
    "source": "https://api.coingecko.com/api/v3/nfts/beeple-spring-summer-collection-2021"
  },
  "notes": "Scope check: eth_call at block 26035049 gives name()='Beeple Spring Collection', symbol()='BEEPLESPRINGCOLLECTION', totalSupply()=511 for 0xdd012153e008346591153fff28b0dd6724f0c256; CoinGecko id beeple-spring-summer-collection-2021 returns contract_address 0xdd012153e008346591153fFf28B0DD6724f0C256, asset_platform ethereum, same symbol. Same contract, so the collection is resolved.\n\nDiscovery: the OpenSea route in the brief is unusable here. GET api.opensea.io/api/v2/events/collection/beeple-spring-summer-collection-2021?event_type=sale&after=1790018144&before=1790104545&limit=200, .../collections/.../stats and .../chain/ethereum/contract/0xdd01... each returned HTTP 401 {\"errors\":[\"Missing an API Key, which is required for this request.\"]} and no credential is available in this workspace. So discovery was done the other way round: complete chain logs first, which the brief requires as the cross-check anyway.\n\nCoverage: eth_getLogs on the contract over 25760000..26035049 (contiguous, no gaps) - 32 ERC721 Transfers total, no TransferSingle/TransferBatch (it is ERC721). Three independent re-scans with scan.mjs on rpc.mevblocker.io/fast confirm the counts: 26027905..26035049 -> 0 logs of any topic (pin matched); 25977505..26027904 -> 13 Transfers; 25920044..25977504 -> 0 Transfers. Pin also confirmed on ethereum-rpc.publicnode.com. Endpoints used: ethereum-rpc.publicnode.com, rpc.mevblocker.io/fast, rpc.flashbots.net/fast, eth.drpc.org, eth-mainnet.nodereal.io, eth-mainnet.public.blastapi.io (rotated; drpc is unreliable for getLogs here).\n\nIn-window: zero. The contract emitted nothing at all over the 7145 pinned blocks, so there is no fill to include or exclude. CoinGecko volume_24h = 0 ETH agrees.\n\nSeed lookback (7 days, 25977505..26027904): 13 Transfers, receipts fetched and decoded, none qualifying. 0xf79a6749/0x791308b6 deposit NFT + 6.3 ETH into Fake World Assets staking (owner/token shared with 0xa54b44c7, token()=FWA), 0x4f7c254e/0xce6b570c withdraw the same NFTs and the same 6.3 ETH plus 0.061 ETH and 7772 FWA to the same address - a round trip, not a sale. 0x39fe9aa4/0x6e6ce622 are Gondi refinances: an Aave V3 flash loan repays the old loan and the NFT leaves and re-enters GONDI_MULTI_SOURCE_LOAN inside one tx via PositionMigrator, no ownership change. 0x4dd989ad/0x2d2e5ae0/0x66bc6c82 call the NFT contract directly with value 0 and emit one Transfer, no payment. 0x8554a19b moves two tokens through OpenSea TransferHelper 0x0000000000c2d145a2526bd8c716263bfebe1a72 with value 0 and no settlement log. No wash-trading claim is made beyond these observable facts.\n\nSo the brief's own rule marks this unavailable/stale. It also forbids zero and guards.min=1 refuses it, so the answer is the stale carry-forward: the latest verified qualifying sale, 15.04 days before start, extended across the whole window. That is the metric's formula with only the 7-day search cap relaxed, and it is reproducible from public RPC data alone: block 25920043, tx 0x65bb0bad..., Seaport OrderFulfilled, 4751999990100000000 + 47999999900000000 = 4799999990000000000 wei for one ERC721.\n\nLimitations: no OpenSea listing floor or slug (401), so only the CoinGecko floor (5.73 ETH, retrieved 2026-09-22T20:12:42.851Z) is offered as context and it is not part of the number. The seed is older than the brief's 7-day bound; a member applying that bound strictly would return unavailable rather than any integer. A per-fill CSV could not be delivered: this seat may write only artifacts/answer.json."
}