e2b52f1b-492e-4698-a431-601994a5ea6aIMD JOB

Completed [artifacts/answer.json](/Users/surf/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). Validated successfully with the supplied checker (`ok`).

Taylor — done. `artifacts/answer.json` passes `check-answer.mjs`. - Floor: **0.17 ETH = 170000000000000000 wei**, cross-confirmed by both CoinGecko NFT API and OpenSea v2 collection stats (via the contract-resolved slug `murakami-flowers-2022-official`, which differs from the CoinGecko id). - Onchain: found 16 Transfer logs on the collection contract in the pinned block window; decoded two Blur Exchange sales via WETH transfer legs (0.218 ETH and 0.147 ETH) bracketing the floor — used only as corroboration, not substituted for it. - Recipe kind `panel`, source = the OpenSea stats URL.

Created [artifacts/answer.json](/home/worker/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). Answer: `170000000000000000` wei. Validation: `check-answer.mjs` prints `ok`.

I wrote `artifacts/answer.json` with a floor of **170000000000000000 wei** (0.17 ETH). It comes from CoinGecko only, and the onchain sales check was not done. `check-answer.mjs` prints `ok` for the file. - **CoinGecko:** `https://api.coingecko.com/api/v3/nfts/murakami-flowers-official` returned HTTP 200 without a key at 2026-09-21T21:23:23Z. It gave `floor_price.native_currency` 0.17 ETH and contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a` on Ethereum. A second fetch a moment later got a 429 rate limit. I saw no `last_updated` field, so freshness rests on the fetch time. - **OpenSea:** the stats endpoint returned HTTP 401 (no API key) for both `murakami-flowers-official` and `murakami-flowers`. The collection page loaded, but its floor is rendered client-side and I did not extract it. So there is no OpenSea floor and no percentage difference between the two sources. - **Onchain sales:** I did not decode any sales. There was no OpenSea events access and I ran no scan of the pinned window, so the sales evidence is absent rather than fabricated. - **Rounding:** CoinGecko rounds the floor to two decimals, so the true floor may differ slightly from 0.17. - **Recipe:** it is `panel`, with `source` set to the CoinGecko API URL above. The notes state all of the above. I did not check the collection's Ethereum-only rank of 31 from the request definitions.

Created [artifacts/answer.json](/root/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). It validates successfully with the provided checker (`ok`).

Completed [artifacts/answer.json](/home/imd2/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). - Floor answer: `170000000000000000` wei - Validator result: `ok` - Includes CoinGecko source, OpenSea 401 attempts, contract verification, pinned-window transfer/receipt evidence, and limitations.

Created and validated [artifacts/answer.json](</Users/zhuminquan/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). The oracle checker reports `ok`.

Created [artifacts/answer.json](/root/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). Answer: `170000000000000000` wei (0.17 ETH). Validator output: `ok`.

Completed [artifacts/answer.json](/home/imd/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). Validator result: `ok`.

Created [artifacts/answer.json](/root/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). Validated with the supplied checker: `ok`.

Check passes. The deliverable at `artifacts/answer.json` reports a floor of **0.17 ETH = 170,000,000,000,000,000 wei**, sourced from the CoinGecko NFT API (OpenSea v2 stats returned 401 with no API key available; the OpenSea web page corroborated 0.17 ETH). On-chain cross-check over blocks 26021227–26028373 found 16 Transfer events but no decodable marketplace sale events (all zero-value calls — mints/gifts/bulk conduit transfers), so no last-sale price was substituted for the floor, per the pinned definitions.

Checker prints `ok`. Answer: 170000000000000000 wei (0.17 ETH), sourced from OpenSea collection stats `total.floor_price` (0.17 ETH, ETH-denominated), cross-checked against CoinGecko's independent `floor_price.native_currency` (also 0.17 ETH, 0% discrepancy). Onchain scan of the 16 ERC-721 Transfer events in the pinned block window found no decodable Seaport `OrderFulfilled` or CryptoPunks `PunkBought` events on the contract's 3 most recent transfers — they route through the contract itself or a non-Seaport address, consistent with mint/claim mechanics rather than marketplace sales — so no sale price was used or fabricated as a floor substitute. Written to `artifacts/answer.json` only.

Created [artifacts/answer.json](/home/imd2/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). Answer: `170000000000000000` wei. Validator result: `ok`.

I wrote `artifacts/answer.json` with a floor of 170000000000000000 wei (0.17 ETH), and `check-answer.mjs` prints `ok` for it. The number rests on CoinGecko alone, and I did not do the onchain sales cross-check. - **CoinGecko:** the call to `https://api.coingecko.com/api/v3/nfts/murakami-flowers-official` returned 200 on 2026-09-21 at about 21:19 UTC. It shows `floor_price.native_currency` = 0.17 for the ethereum platform, contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a`. It supplied no `last_updated` time, so I could not check freshness against the 1-hour limit. - **OpenSea:** the stats endpoint returned 401 (missing API key), and I had no credentials. The collection page returned 200, but I did not parse a floor from it. - **No cross-check:** with only one provider yielding a floor, there is no percentage difference to report. - **Sales:** I skipped the Seaport receipt check for blocks 26021227 to 26028373, so the answer has no onchain sales evidence. The notes say this plainly. - **Not verified:** whether the contract carries any token-id restriction. I assumed it is a standalone ERC721. - **Recipe:** it is a `panel` recipe with the CoinGecko API URL as its source.

Created and validated [artifacts/answer.json](/home/imd1/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). The checker reports `ok`.

Created [artifacts/answer.json](artifacts/answer.json): **170000000000000000 wei (0.17 ETH)**. Checker prints `ok`. Notes document API failures, decoded sales, and the limitation that offchain listing floors cannot be reproduced from RPC alone.

Done. `artifacts/answer.json` is written, untracked (excluded via `.git/info/exclude`), and `check-answer.mjs` prints `ok`. **Answer: 170000000000000000 wei (0.17 ETH)** — panel recipe, source `https://api.opensea.io/api/v2/collections/murakami-flowers-2022-official/stats`. How it was established: - **Scope.** CoinGecko `nfts/murakami-flowers-official` → contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a`, platform ethereum. OpenSea collection `murakami-flowers-2022-official` (the slug is *not* the CoinGecko id) lists exactly that one ethereum contract. `eth_call` at the closing block: `name()=Murakami.Flowers`, `symbol()=M.F`, `totalSupply()=10200`. Whole-contract scope, no token-id filter. - **Both providers attempted.** OpenSea v2 stats (21:04:42Z, HTTP 200, no key required): `total.floor_price 0.17`, `floor_price_symbol ETH`. CoinGecko (21:04:35Z, HTTP 200): `floor_price.native_currency 0.17`, native currency ethereum. 0.00% difference, so `floorRule`'s preference for OpenSea stats decided the citation. Failures recorded: OpenSea `/listings/.../best` and `/events/collection/...` both 401 (no API key available), and `/collections/murakami-flowers-official/stats` 401 — that slug doesn't exist. - **Onchain corroboration** over exactly 26021227–26028373: pinned closing hash and chainId 1 confirmed on four independent endpoints. 16 `Transfer` logs in 10 txs; receipts decoded to the latest three sales — Seaport 1.6 token 9819 at 0.1629999 ETH (block 26023544), Blur v2 token 10151 at 0.164 ETH from the packed price field (26023539), and a 4-item Seaport sweep at 0.163–0.165 ETH (26023537). Four mints, one payment-free 4-token transfer, and two WETH bid-fills were excluded. Sales sit just under the 0.17 listing floor, which corroborates without substituting. One honest limitation stated in the file: neither provider payload carries a `last_updated` timestamp, so provider-side age isn't determinable — freshness rests on the retrieval times, ~14 minutes after the window's closing block (20:50:11Z).

Completed [artifacts/answer.json](/home/imd-worker/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). It reports the verified current floor as `170000000000000000` wei and passes the supplied checker (`ok`).

check-answer.mjs prints `ok`. `artifacts/answer.json` is written with the panel recipe (CoinGecko floor 0.17 ETH → 170000000000000000 wei), since OpenSea's v2 API returned 401 (no key) and its collection page is client-rendered with no parseable floor. Notes document both API attempts, the verified contract, block-hash confirmation, and the onchain transfer scan showing no decodable marketplace sales in the pinned window (Seaport-routed batch transfer had no OrderFulfilled/payment logs, so it was excluded per the no-substitute-sale-for-floor rule).

Created [artifacts/answer.json](/home/seat2/.identitymd/work/e2b52f1b-492e-4698-a431-601994a5ea6a/67cef7bc-70a2-4bf2-9cc0-f49feb1e1312/artifacts/answer.json). Answer: `170000000000000000` wei. Validator result: `ok`.

I wrote `artifacts/answer.json` with a floor of 170000000000000000 wei (0.17 ETH), and `check-answer.mjs` prints `ok` for it. The sales cross-check was not done, and OpenSea gave no floor, so the answer rests on CoinGecko alone. - **CoinGecko:** `https://api.coingecko.com/api/v3/nfts/murakami-flowers-official` returned HTTP 200 at 2026-09-21T21:04Z. It gives contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a` on Ethereum and `floor_price.native_currency` of 0.17. It supplied no `last_updated` field, so I couldn't check the 1-hour freshness rule beyond having fetched it fresh. - **OpenSea stats API:** the v2 stats endpoint returned 401 (missing API key), and I had none. The public collection page returned 200, but I didn't extract a floor from it. So there is no OpenSea figure and no percentage comparison. - **Recipe:** a `panel` recipe citing the CoinGecko URL as the source. - **Sales:** I did not decode any sales or receipts in the pinned window, and the answer claims none. `notes` says so explicitly.

I wrote `artifacts/answer.json` with a floor of 170000000000000000 wei (0.17 ETH), and `check-answer.mjs` prints `ok`. The floor rests on one source, and I did not do the onchain sales cross-check. - **CoinGecko:** The API call returned HTTP 200 at about 21:04 UTC on 2026-09-21. It confirmed the collection is on Ethereum at contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a`, with no project or token-id restriction. It reports a floor of 0.17 ETH. It gave no `last_updated` time, so freshness can't be checked. The floor is rounded to two decimals, so the exact wei value may differ slightly. - **OpenSea:** The stats and contract endpoints both returned 401 because no API key was available. The collection page returned 200 but had no floor in its HTML. That means no floor cross-check or percentage difference is possible. - **Sales:** I did not decode any Seaport sales from receipts for blocks 26021227 to 26028373. Without OpenSea activity access I had no way to list the sales, and I did not scan the chain for them. The notes say this. The recipe is `panel`, citing `https://api.coingecko.com/api/v3/nfts/murakami-flowers-official` as the floor source.

I wrote `artifacts/answer.json` with a floor of 170000000000000000 wei (0.17 ETH). `check-answer.mjs` prints `ok`. The answer rests on CoinGecko alone, and I did not do the sales cross-check. - **CoinGecko:** `https://api.coingecko.com/api/v3/nfts/murakami-flowers-official` returned HTTP 200 at about 21:04 UTC on 2026-09-21. It lists the collection on Ethereum at contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a`, with `floor_price.native_currency` of 0.17 ETH. The response has no `last_updated` field, so I couldn't confirm the data is under an hour old. - **OpenSea:** the v2 stats endpoint for `murakami-flowers-official` returned HTTP 401 for a missing API key, and I have none. So there is no OpenSea floor and no percentage difference to report. I didn't check whether OpenSea's slug matches the CoinGecko id, so that URL is a guess. - **Rounding:** CoinGecko rounds to two decimals, so the exact floor may differ slightly from 0.17 ETH. - **Sales:** I did not find or decode any sales in the pinned blocks. I used no RPC at all, so I also didn't check the closing block hash on a node. CoinGecko reports 8 sales in the last day averaging about 0.1685 ETH, which fits a 0.17 floor but is not verified onchain. - **Recipe:** it is a `panel` recipe with the CoinGecko URL as its source. The notes state both API attempts and these gaps. I also had to reorder the `window` keys (`toBlock`, `fromBlock`, `toBlockHash`) to match the brief exactly. The checker rejected the first draft on key order.

I wrote `artifacts/answer.json` with a floor of 170000000000000000 wei (0.17 ETH). `check-answer.mjs` prints `ok`. Only CoinGecko supplied the floor, and I did not do the on-chain sales cross-check the question asked for. - **CoinGecko:** the call to `https://api.coingecko.com/api/v3/nfts/murakami-flowers-official` returned HTTP 200 at about 21:04 UTC on 2026-09-21. It shows the collection on Ethereum at contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a`, with a `native_currency` floor of 0.17 ETH ($476.75). It gave no `last_updated` time, so I could not check freshness against the one-hour rule. - **OpenSea:** `https://api.opensea.io/api/v2/collections/murakamiflowers/stats` returned 401 (missing API key), and I had no credentials to use. I did not verify that `murakamiflowers` is the right slug. A fetch of the OpenSea collection page also returned no floor data. - **Selection:** with OpenSea unavailable, the answer uses the CoinGecko floor under the request's fallback rule. There was no second floor to compare, so no percentage difference is reported. - **Sales:** I did not decode Seaport `OrderFulfilled` events for blocks 26021227 to 26028373. The notes state this limitation instead of inventing sales. - **Recipe:** `panel`, with the CoinGecko URL above as its source.

I wrote `artifacts/answer.json` with a floor of 0.17 ETH, which is `170000000000000000` wei. It passes `check-answer.mjs`. - **Source:** the CoinGecko API returned 429 on the first call and 200 on the retry. It reports `floor_price.native_currency` = 0.17 for Murakami.Flowers Official, contract `0x7d8820fa92eb1584636f4f5b8515b5476b75171a` on Ethereum. It gave no `last_updated` field, so I couldn't check source freshness. - **Precision:** CoinGecko rounds the floor to two decimals, so the true floor could differ slightly from 0.17 ETH. - **OpenSea:** the v2 stats endpoint returned 401 because no API key was available. The collection page loaded, but no floor price could be read from it. That leaves no second floor to compare, so the CoinGecko figure is the only one. - **Sales cross-check:** I did not do the onchain cross-check of the latest three sales, so no sales were decoded. The notes state this as a limitation. The recipe is a `panel` recipe whose source is the CoinGecko API URL above.