{
  "v": 1,
  "requestId": "36d5d873-9533-46a6-8259-9d2e8e41e9f2",
  "chainId": 1,
  "window": {
    "toBlock": 26030868,
    "fromBlock": 26023726,
    "toBlockHash": "0xb5e37fb42e293aa702061916dc20bafa717edfecb3815b09b48771d5f4bb1852"
  },
  "answerType": "uint256",
  "answer": null,
  "definitions": {
    "twap": "TWAPwei=floor(sum(F_i_wei * duration_i_seconds)/86400), integrating each piecewise-constant minimum-ask interval. Account for listing starts/expiries, cancellation, fulfillment and invalidation. Use exact integer/rational arithmetic. Do not use VWAP, average sale, mean of irregular samples, current floor or 24h low as TWAP.",
    "scope": "VeeFriends; https://www.coingecko.com/en/nft/veefriends. Verify chain 1 contract and OpenSea slug. Shared Art Blocks contracts require project/token-id restrictions. Do not combine migrated chains or wrapped and native collections.",
    "metric": "F(t) is the minimum total buyer-payable price among valid public single-NFT fixed-price ETH/WETH OpenSea listings in scope at time t, including mandatory fees. ETH/WETH are 1:1. Exclude bids, private listings, bundles and other currencies. Never infer F(t) from completed sales or transfers.",
    "output": "Use recipe.kind=panel and recipe.source as the actual OpenSea evidence URL. Notes (max 4000 chars): contract/project scope, slug, T0/T1, data URLs/times, pagination/coverage, intervals and weighted sum, result, representative tx hashes and decoded events, archive checks and limitations. Panel consensus is not an independently replayed chain proof.",
    "source": "Use official OpenSea APIs/collection data and verifiable order records; resolve the slug independently. Only use existing credentials and never disclose keys. Record 401/403/429 and archive-RPC limitations. CryptoPunks native market events may corroborate but cannot replace an unavailable OpenSea listing series.",
    "window": "Read T1 from the pinned toBlock timestamp; T0=T1-86400 seconds. Integrate [T0,T1). Report UTC endpoints, pinned block/hash and opening state provenance. Opening listings may predate fromBlock: obtain their state immediately before T0 without counting earlier sales in the window.",
    "missing": "If any interval lacks a verifiable floor, opening state or complete relevant order history, report insufficient coverage and DO NOT emit artifacts/answer.json with a substitute number. Zero is not a missing-data sentinel. Do not carry prices across unknown gaps. No sale does not mean no floor. Do not fall back to sale-price TWAP.",
    "ranking": "Fixed Ethereum market-cap rank 8, global rank 10, from https://www.coingecko.com/en/nft checked 2026-09-22T05:13:15.236Z. CoinGecko is used for collection selection, not as a substitute TWAP source.",
    "evidence": "Fetch complete historical OpenSea order/listing data plus opening valid asks. Validate signatures/order status, ownership/approvals, cancellations and Seaport fulfillments using chain-1 RPC/archive calls and receipts when available. Seaport events alone miss offchain signed asks; Seaport usage alone does not prove OpenSea origin. Transfers alone are not sales.",
    "assessment": "INSUFFICIENT_COVERAGE. answer=null expresses inability, not a uint256 value or a missing-data numeric sentinel. No TWAP has been computed.",
    "verifiedScope": "Ethereum mainnet VeeFriends original collection, contract 0xa3aee8bce55beea1951ef834b99f3ac60d1abeeb, OpenSea slug veefriends. Include NFTs of this dedicated contract only; exclude Series 2 and other contracts. No shared Art Blocks project restriction applies.",
    "utcInterval": "T1=2026-09-22T05:12:59Z (1790053979); T0=2026-09-21T05:12:59Z (1789967579). Integrate [T0,T1). fromBlock timestamp equals T0. Closing hash verified on three operators.",
    "denomination": "Integer wei; ETH and canonical Ethereum WETH 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2 at 1:1. Sum all mandatory buyer consideration; exclude transaction gas. No present-day collection fee rate is assumed historically.",
    "eventTiming": "An on-chain state change takes effect at its block timestamp, with transaction/log order determining final state for that timestamp; zero-duration intermediate states contribute nothing. Offchain listing availability needs independently verifiable publication/start times.",
    "emptyMarket": "An interval with no verifiable valid ask has no defined numeric floor here. Unknown or empty intervals cannot be assigned zero or filled with adjacent prices."
  },
  "recipe": {
    "kind": "panel",
    "source": "https://api.opensea.io/api/v2/events/collection/veefriends?event_type=listing&after=1789967579&before=1790053979&limit=200"
  },
  "notes": "INABILITY: complete historical OpenSea asks and opening state were not obtained; no intervals, weighted sum, or numeric TWAP can be established. This file is the required output carrying the inability report, not an eligible numeric submission. The supplied checker has no abstention representation: null fails uint256. Requiring checker 'ok', a numeric answer, and no fabricated number cannot all be met with these data. Public RPC alone cannot enumerate unsubmitted signed asks or prove their OpenSea publication; the pinned panel recipe expressly is not an independently replayed chain proof.\nScope: CoinGecko https://www.coingecko.com/en/nft/veefriends links Ethereum contract 0xa3aee8bce55beea1951ef834b99f3ac60d1abeeb. GET https://api.opensea.io/api/v2/collections/veefriends at 2026-09-22T05:18:35.707Z returned HTTP 200, collection veefriends, name VeeFriends, that sole Ethereum contract, and https://opensea.io/collection/veefriends. Contract name() at toBlock returned VeeFriends.\nWindow: fromBlock 26023726 timestamp 1789967579; toBlock 26030868 timestamp 1790053979. T0=2026-09-21T05:12:59Z, T1=2026-09-22T05:12:59Z. eth_chainId=1 and closing hash exactly matched the pin on https://rpc.flashbots.net/fast, https://rpc.mevblocker.io/fast and https://ethereum-rpc.publicnode.com.\nCoverage: recipe.source returned HTTP 401 at 2026-09-22T05:19:04.621Z: Missing an API Key, which is required for this request. Opening-history request https://api.opensea.io/api/v2/events/collection/veefriends?event_type=listing&before=1789967579&limit=200 returned the same 401 at 05:19:04.618Z. No OpenSea-named credential was present in environment. Neither historical query yielded a page or cursor; opening valid asks are unknown. No 403 or 429 observed for these API requests. https://docs.opensea.io/reference/list_events_by_collection documents listing pagination and directs invalidation/revalidation queries to Stream API; those histories were not obtained.\nGET https://api.opensea.io/api/v2/listings/collection/veefriends/all?limit=200 at 05:19:04.471Z returned HTTP 200, 200 current listings and a next cursor. Only that first current page was inspected; it is not historical coverage. Its first order 0xc8bdeb501d09f6de2928e38ac2fcbed21957f5988b4b78448abcb247baa77dd8 starts at 1790054097, after T1, and has signature=null. Seaport 0x0000000000000068f116a894984e2db1123eb395 getOrderStatus(bytes32) at toBlock returned (false,false,0,0); this is not proof of signature validity or historical availability.\nChain corroboration: supplied scan.mjs on publicnode with --from 26023726 --to 26030868 --pin matching window hash --address collection contract --event Transfer(address,address,uint256) verified the pin and found 14 logs across 10 blocks in four chunks. Reading their 10 transaction receipts found 14 OrderFulfilled events involving the contract. Representative tx 0xf9a54bd93da8fa463e81eb02e43a77206d1b2c3717344e162b37277ff1507a72, block 26026367: the above Seaport emitted order 0x3123085da14f1a6f312c1f49438849e007944a7419a682fadd5f641c0b67900b with offer 960000000000000000 WETH wei and consideration NFT 8159 plus 9600000000000000 WETH wei. This is bid-side fulfillment, not a valid public ask observation or proof of OpenSea origin. These events were not used as floors. Complete cancellation history and per-order signatures, ownership, approvals and status transitions were not validated because the historical order universe is missing. Opening name() at block 26023725 on publicnode failed RPC -32602: Archive requests require a personal token. No absent RPC response was treated as zero.\nReproduction limitation: retry the stated historical and opening listing URLs with existing authorized access, exhaust pagination, recover publication records/signatures and validate every state transition before integrating exact integer price-duration products. Present public data do not reproduce a numeric answer."
}