8d57ca94-e9a5-460d-a820-ec988b4ae792IMD JOB

Completed [artifacts/answer.json](/home/imd-worker2/.identitymd/work/8d57ca94-e9a5-460d-a820-ec988b4ae792/2adef331-a5d0-44fc-b32c-50890124369f/artifacts/answer.json). Average sale price: `1298857457627118644` wei. Validated with the provided checker (`ok`) and confirmed the pinned hash on two public RPC endpoints.

`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok`. **Answer:** 1298857457627118644 wei, the average sale price over blocks 26019451–26026607. - **Sales counted:** 59 qualifying sales (57 listing fills, 2 bid fills), totalling 76632590000000000000 wei. Nothing touching the collection was excluded as a bundle, ERC-1155 or other-token fill. - **Scan:** I pulled all 12,231 Seaport 1.5 and 1.6 `OrderFulfilled` logs in the window from `https://ethereum-rpc.publicnode.com`. I confirmed chain id 1 and that block 26026607 has the pinned hash. I decoded them with my own script, `test/scratch/sales.mjs`, because `scan.mjs` can't decode the nested tuples. That script is not submitted, and I did not run a second scan or check the hash on a second endpoint. - **Recipe kind:** the brief says `"evidence": "panel"`, and the checker only accepts `{ kind: "panel", source }` for that. So the recipe is a panel recipe with the RPC endpoint and event description as its `source`, not a log-sum. The deployer will rerun the recipe you named, so it has to reproduce the figure from that source. - **Earlier failures:** the previous rejections were login and auth errors and a missing `artifacts/` directory, not problems with the answer itself. I created `artifacts/` this time. The answer file is untracked, as required.

Done. `artifacts/answer.json` is written and untracked, and `check-answer.mjs` prints `ok`. **Answer: 1298857457627118644 wei** (~1.29886 ETH), from 59 qualifying sales summing to 76.63259 ETH. How it was computed: - **Pin confirmed** on `ethereum-rpc.publicnode.com` (chainId 1, closing hash matches), and again on `eth-mainnet.nodereal.io` and `rpc.mevblocker.io`. - **Completeness shortcut**: every qualifying fill moves an ERC-721 of the collection, so it emits a collection `Transfer` in the same block. Both operators independently returned the same 100 ERC-721 Transfer logs across the same 78 blocks — so neither read was truncated. Decoding OrderFulfilled only in those 78 blocks covers every possible sale without scanning all of Seaport. - **Decode**: 326 `OrderFulfilled` logs from Seaport 1.5 + 1.6 in those blocks, offer/consideration arrays decoded from the non-indexed data. 267 held no collection ERC-721; **0** were bundles, **0** were paid in another token, **0** had an unhandled offer shape. 59 qualified — 57 listing fills, 2 bid fills, all on Seaport 1.6. - **Average**: 76632590000000000000 / 59 = 1298857457627118644 remainder 4, floored. Two things worth flagging in how I read the request: 1. **Recipe kind.** The brief sets `"evidence": "panel"`, and `check-answer.mjs` refuses any non-panel recipe on such a brief. That is also the only honest fit here — no catalogue chain recipe can express this figure, because the NFT and payment items live in dynamic arrays in OrderFulfilled's non-indexed data, and the log's emitter is Seaport, not the collection, so the `address` filter cannot reach it. The `source` therefore names the chain read itself: endpoint, topic, both Seaport addresses, exact blocks. 2. **Counting unit.** I counted per `OrderFulfilled` log, not per transaction — the 59 fills sit in 45 transactions, so this choice does move the figure and is stated under `definitions`. Every other open choice (WETH 1:1, fees included, bundle handling) had zero qualifying edge cases in this window, so none of them could shift the answer.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price is **1298857457627118644 wei**, about 1.2989 ETH. - **Figure:** 59 qualifying sales, totalling 76632590000000000000 wei, averaged with rounding down. - **How it was computed:** I decoded Seaport 1.5 and 1.6 `OrderFulfilled` logs over exactly blocks 26019451–26026607 and kept the fills that match the brief's sale and price definitions. There were 12,231 `OrderFulfilled` logs in the window in total. The closing block hash matched the pin on publicnode (`https://ethereum-rpc.publicnode.com`), the only endpoint used. I did not cross-check the hash on a second operator, which the reference suggested. - **Recipe kind:** The brief says `"evidence": "panel"`, and the checker only accepts a `panel` recipe for that. So the recipe is `panel` with the RPC URL as its source. The deployer therefore cannot rerun the scan; the description of how I computed the figure is in `notes` and `definitions`. - **Scratch script:** The decoder is in `test/scratch/run.mjs`, so it isn't submitted. - **Earlier failure:** The previous attempt failed on a missing `artifacts` directory and an auth error, neither related to the computation. This time I created the directory and the file is in place, untracked.

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FAILURE: runtime_error

Created [artifacts/answer.json](/Users/peterhucik/.identitymd/work/8d57ca94-e9a5-460d-a820-ec988b4ae792/2adef331-a5d0-44fc-b32c-50890124369f/artifacts/answer.json). Average sale price: `1298857457627118644` wei, from 59 qualifying sales. Validation result: `ok`.

Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/8d57ca94-e9a5-460d-a820-ec988b4ae792/2adef331-a5d0-44fc-b32c-50890124369f/artifacts/answer.json). Answer: `1298857457627118644` wei. Validation passed: `check-answer.mjs` printed `ok`.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price is **1298857457627118644 wei**, about 1.2989 ETH. - **Scan:** I read the Seaport 1.5 and 1.6 `OrderFulfilled` logs for blocks 26019451–26026607 from `https://ethereum-rpc.publicnode.com`, in 500-block chunks. No chunk was refused or split. That gave 12,231 fills. - **Pin:** the closing block hash matched on publicnode and on `https://rpc.flashbots.net/fast`, a different operator. - **Sales:** 59 fills involve the collection, and all 59 qualify under the request's definitions. 57 are listing fills and 2 are bid fills. None were excluded as bundles, ERC-1155 or paid in another token. - **Sum:** the prices add up to 76632590000000000000 wei, which is the `figure`. Dividing by 59 and rounding down gives the answer. - **Recipe:** the brief says `evidence: "panel"`, and the checker requires `{kind: "panel", source}` for such briefs. So the recipe is that kind, with the RPC endpoint and query as the source, and the chain-computed figure is described in `notes` and `definitions`. - **Scan tool:** `scan.mjs` can't decode Seaport's nested item arrays, so I used my own decoder in `test/scratch/sales.mjs`. It isn't submitted. - **Second scan:** I made only one full scan, as the skill advises. - **Earlier failure:** the earlier attempt failed because it never produced `artifacts/answer.json` and hit a 401 from an OpenAI endpoint. Neither applied here. The answer file is untracked and covered by `.git/info/exclude`.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price of identity.md over blocks 26019451–26026607 is **1298857457627118644 wei**. - **Scan:** I fetched all 12,231 `OrderFulfilled` logs from Seaport 1.5 and 1.6 over exactly the pinned blocks. `eth_chainId` came back as 1 and the closing block hash matched the pin. - **Sales:** 59 fills qualified, with a combined price of 76632590000000000000 wei, and none were excluded for another payment token or an odd shape. The average is that total divided by 59, rounded down. - **Recipe:** the brief says `"evidence": "panel"`, so the checker only accepts a `panel` recipe. Its source is the RPC endpoint and the two Seaport contracts I read from. - **Endpoints:** I used one endpoint, `https://ethereum-rpc.publicnode.com`, and did not do the optional second-endpoint hash check. I wrote a small script in `test/scratch/` rather than using `scan.mjs`, because `scan.mjs` only sums or ranks and I needed to decode the offer and consideration items. Nothing under `test/scratch/` is part of the submission. - **Earlier attempt:** it failed from a missing `artifacts/` directory and an unauthorized-access error from an LLM API, not from a wrong answer. Neither applies to this run.

Created [artifacts/answer.json](/home/imd3/.identitymd/work/8d57ca94-e9a5-460d-a820-ec988b4ae792/2adef331-a5d0-44fc-b32c-50890124369f/artifacts/answer.json) with the reproduction recipe. Average: **1,298,857,457,627,118,644 wei** across **59 qualifying sales**. The provided validator printed `ok`.

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FAILURE: runtime_error

`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok`. The average sale price is **1298857457627118644 wei**, about 1.2989 ETH. It comes from 59 qualifying sales summing to 76632590000000000000 wei. None of the 59 fills touching the collection was excluded, so the floor of the mean leaves a remainder of 4. **Recipe kind:** the brief says `evidence: "panel"`, so the recipe has to be `{kind: "panel", source}` and can't be a `log-sum`. The `source` names the RPC I read from. The method is in `notes` for anyone who wants to rerun it. **Method:** - **Pin:** the closing block hash of 26026607 matched the pin on `rpc.mevblocker.io/fast` and on `ethereum-rpc.publicnode.com`. - **Transfers:** the collection emitted 100 ERC-721 Transfers in 78 blocks of the window. - **Fills:** in those 78 blocks, both Seaport contracts emitted 326 `OrderFulfilled` events. I decoded the offer and consideration arrays by hand, since `scan.mjs` can't read nested arrays. - **Coverage:** a Seaport sale of the collection always emits a Transfer in its own block, so scanning only those blocks finds the same sales as scanning the whole window. - **Endpoints:** `publicnode` rejected per-block `getLogs` as archive requests and `eth.merkle.io` returned 429. I used `mevblocker` for the scan. The answer file is untracked and git-ignored, and my scratch scanner in `test/scratch/` isn't part of the submission.

The checker prints `ok`. Verifying the arithmetic once more: 59 × 1298857457627118644 = 76632589999999999996, remainder 4 — floor division is correct, and the answer satisfies the brief's `min: "1"` guard. The file is untracked as required (the daemon uploads it itself). **Done — `artifacts/answer.json` is written and passes the plane's checker.** The answer is **1298857457627118644 wei** (~1.2989 ETH), the average sale price of identity.md (`0x0000ec93127baa929e58e97dd0095a2bfb38ec1d`) on OpenSea over the pinned window. How it was computed, exactly per the brief's definitions: - Fetched all `OrderFulfilled` logs (topic0 `0x9d9af8e3…`) from Seaport 1.5 and 1.6 over blocks 26019451–26026607 via `https://rpc.flashbots.net/fast`. The endpoint answered `eth_chainId` = 1 and the closing block's hash matched the pinned `0x8a84f5aa…7cdec2`, cross-checked on `ethereum-rpc.publicnode.com` (a second operator). - Decoded 12,231 events with the Seaport ABI and kept fills containing exactly one NFT item — itemType 2, token = the collection — and no other NFT: 59 qualifying sales (57 listing fills priced as the sum of all consideration amounts with every item ETH/WETH, fees included; 2 bid fills priced as the single ETH/WETH offer amount). No event touching the collection was excluded by the payment or shape rules, which bodes well for panel agreement. - Sum 76,632,590,000,000,000,000 wei ÷ 59, rounded down → 1298857457627118644. Since the brief declares `"evidence": "panel"`, the recipe is `{kind: "panel", source: "https://rpc.flashbots.net/fast"}` (the checker rejects chain recipes for panel briefs), with the full reproduction path in `notes` and every open choice (NFT item types, per-event granularity, excluded shapes, WETH parity) stated under `definitions`. The earlier attempt failed because `artifacts/answer.json` was never created; it now exists at the required path as valid JSON.

`artifacts/answer.json` is written and passes the plane's check (`ok`). **Answer: `1298857457627118644` wei** (≈1.2989 ETH), from 59 qualifying sales summing 76632590000000000000 wei. What I did: - **Pin confirmed.** Block 26026607 hashes to `0x8a84f5aa…cdec2` on publicnode, drpc and flashbots; `eth_chainId` = 1 on each. - **Scan.** `eth_getLogs` over exactly 26019451–26026607, address-filtered to Seaport 1.5 + 1.6, topic0 `0x9d9af8e3…6f31` (derived with `scan.mjs --keccak`) — 12231 OrderFulfilled events. `scan.mjs` can't decode Seaport's dynamic `SpentItem[]`/`ReceivedItem[]` arrays, so I decoded the data words in a scratch script that prints totals only. - **Filter & price.** 59 events hold exactly one NFT item and it is itemType 2 of `0x0000ec93…ec1d`. 57 listing fills priced as the full consideration sum (fees included, all ETH/WETH); 2 bid fills priced as the WETH offer amount. No collection event was excluded for a bundle, ERC-1155, multi-item offer, or foreign token. - **Truncation guard.** Re-derived by a different route on a different operator: on flashbots I pulled the collection's own 100 Transfer logs (78 blocks) and re-read OrderFulfilled one block at a time for just those blocks — same 59 sales, same sum, same average. All 59 sales have a matching Transfer of their tokenId in their own transaction. Two things worth flagging: - `.imd/reads/oracle.json` sets `"evidence": "panel"`, and `check-answer.mjs` refuses any non-`panel` recipe for such a brief — so the recipe is `{kind: "panel", source}` naming the exact endpoint, addresses, topic and block range, even though the fact is on chain. - One judgement call, stated in `definitions.matchedPair` and `notes`: block 26021280 is a matched trade that emitted **two** qualifying OrderFulfilled events for token 647 (bid 1.11 ETH, listing 1.0989 ETH). The brief defines a sale as an OrderFulfilled event and both satisfy every clause, so both are counted. Deduping to one trade would give 58 sales and `1302305000000000000` — recorded in the notes in case the panel splits there. The earlier attempt failed before writing anything; `artifacts/` now exists with the file, untracked.

Created [artifacts/answer.json](artifacts/answer.json). Average: **1,298,857,457,627,118,644 wei** across **59 qualifying sales**. Includes the pinned window, definitions, and reproduction procedure. Required validator returned `ok`.

Created `artifacts/answer.json` with an average of **1298857457627118644 wei** across 59 qualifying sales and a reproducible RPC procedure. The required checker prints `ok`.

Done. `artifacts/answer.json` is written, untracked, and `check-answer.mjs` prints `ok`. **Answer: `1298857457627118644` wei** (~1.2989 ETH average). How it was computed: - Confirmed chain id 1 and the pinned closing hash `0x8a84f5aa…cdec2` for block 26026607 on two operators (publicnode and flashbots). - Fetched every `OrderFulfilled` log from Seaport 1.5 and 1.6 over blocks 26019451–26026607 from `https://ethereum-rpc.publicnode.com` in 400-block chunks (19 calls, none refused), and ABI-decoded the offer/consideration arrays in a scratch script (`test/scratch/seaport-avg.mjs`, built on the delivered `scan.mjs`'s `keccak256`). - 12,231 events in the window; 59 touch identity.md and all 59 qualify under the pinned definitions (57 listing fills, 2 bid fills; no bundles, ERC-1155, or non-ETH/WETH payment). Sum 76,632,590,000,000,000,000 wei → floor(÷59) = 1,298,857,457,627,118,644. Two things worth knowing: - Because the brief is `"evidence": "panel"`, the recipe is `{kind:"panel", source:<RPC URL>}` — the check script rejects any chain recipe here, and `log-sum` couldn't decode Seaport's dynamic arrays anyway. Full method, endpoints and totals are in `notes`. - One `matchOrders` fill (token #647, tx `0x8b51d6…8d58`) emits two events for the same NFT (bid side 1.11 WETH, listing side 1.0989 WETH). The definition counts each event as a sale, so I followed it literally; the notes state the alternative (58 sales → 1302305000000000000) in case the deployer dedups by tx+token.

Created `artifacts/answer.json` with the reproducible computation. Average: **1298857457627118644 wei** across **59 sales**. The required checker prints `ok`; decoder and reproduction checks passed.

Created `artifacts/answer.json` with average **1298857457627118644 wei**, based on 59 qualifying sales, and reproducible RPC code. The required validator printed `ok`.

Created `artifacts/answer.json`. Average: **1298857457627118644 wei** across **59 sales**. The included reproduction code returned the same result, and the required validator printed `ok`.

`artifacts/answer.json` is written, untracked (excluded by the repo's own exclude file), and `check-answer.mjs` prints `ok`. **Answer: 1,298,857,457,627,118,644 wei** (≈1.2989 ETH), from 59 qualifying fills totalling 76,632,590,000,000,000,000 wei. How it was computed: - `eth_getLogs` for Seaport `OrderFulfilled` (topic0 `0x9d9af8e3…6f31`) on Seaport 1.5 and 1.6, over exactly blocks 26019451–26026607. `eth_chainId` = `0x1` and the closing block hash matched the pin on both endpoints used (`rpc.flashbots.net/fast`, `ethereum-rpc.publicnode.com`). - Each log's `offer`/`consideration` arrays decoded from the data words, then filtered per the brief: exactly one NFT item across both arrays, itemType 2, token `0x0000ec93…ec1d`; listing fills priced as the sum of all consideration amounts (dropped unless every item is ETH or WETH), bid fills priced as the single ETH/WETH offer amount. - Two independent routes gave identical totals: a scan over the 78 blocks where the collection emitted a `Transfer`, and a full scan of all 12,231 Seaport fills in the window from a different operator's node — so the prefilter lost nothing. Two judgement calls are recorded under `definitions` (and in `notes`) since the brief left them open: WETH counted 1:1 with wei, and block 26021280's `matchOrders` pair counted as two sales because the brief defines a sale as a qualifying `OrderFulfilled` event — collapsing that pair would instead give 58 sales and 1,302,305,000,000,000,000 wei, which is the most likely source of panel disagreement. The recipe is `{ kind: "panel", source }`, as the checker requires for this brief's `"evidence": "panel"`; the catalogue's chain recipes cannot express a per-log decode of Seaport's item arrays or a mean, and I said so in `notes`.

Created [artifacts/answer.json](/home/imd/.identitymd/work/8d57ca94-e9a5-460d-a820-ec988b4ae792/2adef331-a5d0-44fc-b32c-50890124369f/artifacts/answer.json). Average sale price: `1298857457627118644` wei. Validation passed: `check-answer.mjs` printed `ok`.

`check-answer.mjs` prints **ok**. Deliverable written to `artifacts/answer.json` (4864 bytes, untracked). **Answer: 1298857457627118644 wei** (~1.2989 ETH), mean of 59 qualifying Seaport fills summing to 76632590000000000000 wei. How it was computed, over exactly blocks 26019451–26026607: 1. `eth_getLogs` for the collection `0x0000ec93…ec1d` (124 logs, 100 ERC-721 `Transfer`s, 78 blocks). Every Seaport ERC-721 fill moves the token, so those blocks are a superset of the ones a qualifying fill can sit in — that turns a full-Seaport scan into 80 RPC calls with no truncation risk. 2. `eth_getLogs` for `OrderFulfilled` on Seaport 1.5 + 1.6 in exactly those blocks (326 events), decoded with the Seaport ABI in-process (no logs printed). 3. Kept events with exactly one NFT item, itemType 2, amount 1, of the collection: **59 events / 45 txs / 58 token ids, all Seaport 1.6** — 57 listing fills (consideration sum, fees included) and 2 bid fills (offer amount). Nothing was excluded as a bundle, ERC-1155, or non-ETH/WETH payment. 4. Floor of sum / 59 (remainder 4 wei). Verification: the pinned closing hash and chain id confirmed on two independent operators (publicnode and mevblocker), which also returned identical collection log counts; decode spot-checked against tx `0xd08cf59c…`, whose two fills price to 0.96 + 0.98 ETH and whose transaction value is exactly 1.94 ETH. Two judgement calls, both stated under `definitions`: - The brief sets `"evidence": "panel"`, so the recipe must be `{kind: "panel", source}` — the catalogue has no kind that averages a decoded struct field. The method is in `notes`; the recipe names the endpoint the logs were read from. - One trade (tx `0x8b51d60c…`, token 647) went through `matchAdvancedOrders`, which emits two mirrored `OrderFulfilled` events for a single NFT transfer. The brief defines a sale as the *event*, so both were counted. `notes` records the alternative had that pair been collapsed: 58 sales, average 1302305000000000000 wei — the one place a panel member could honestly land elsewhere.

Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/8d57ca94-e9a5-460d-a820-ec988b4ae792/2adef331-a5d0-44fc-b32c-50890124369f/artifacts/answer.json). Average sale price: `1298857457627118644` wei. Validation passed: `ok`.

Created `artifacts/answer.json` with the average **1298857457627118644 wei**, computed across 59 qualifying sales, plus reproducible RPC instructions. The required validator printed `ok`.

required named outputs are invalid: artifacts/answer.json: ENOENT: no such file or directory, lstat 'C:\Users\owner\.identitymd\work\8d57ca94-e9a5-460d-a820-ec988b4ae792\2adef331-a5d0-44fc-b32c-50890124369f\artifacts'

FAILURE: runtime_error

unexpected status 401 Unauthorized: Missing bearer or basic authentication in header, url: https://api.openai.com/v1/responses, cf-ray: a3e9feb9f8d4e706-ICN, request id: req_d7c5544f8b9f4db4adbdff3ff00192d1

FAILURE: runtime_error

Created `artifacts/answer.json`: **1298857457627118644 wei**, averaged over 59 qualifying sales, with reproduction details. The required checker printed `ok`.

The average sale price of identity.md over blocks 26019451 to 26026607 was **1298857457627118644 wei**, about 1.299 ETH. I wrote it to `artifacts/answer.json`, and `check-answer.mjs` prints `ok`. - **Sales counted:** 59 qualifying sales, totalling 76632590000000000000 wei. The mean is that total divided by 59, rounded down. - **Scan:** I fetched every `OrderFulfilled` log from Seaport 1.5 and 1.6 over exactly the pinned blocks, which came to 12231 logs. None of the collection's fills were excluded. I saw no bundles, ERC-1155 fills or payments in other tokens. - **Own decoder:** `scan.mjs` can't decode Seaport events, so I wrote a small Node script that reads the offer and consideration arrays by hand. It is in `test/scratch/`, which isn't submitted. - **Endpoint:** `ethereum-rpc.publicnode.com`, with `rpc.flashbots.net/fast` and `rpc.mevblocker.io/fast` as fallbacks. The chain id and the closing block hash were confirmed on all three. - **Recipe kind:** the brief says `"evidence": "panel"`, so the recipe has to be kind `panel` with a source URL, not a log recipe. I put the endpoint and the log query in `source`, and the definitions and method in `definitions` and `notes`. I ran only the one scan, as the instructions advise, and did not cross-check the total on a second endpoint.

`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The average sale price is **1298857457627118644 wei**. - **Scan:** I fetched Seaport `OrderFulfilled` logs from both Seaport contracts (1.5 and 1.6) over blocks 26019451–26026607 from `https://ethereum-rpc.publicnode.com`. The closing block hash matched the pin. That gave 12,231 fills across all collections. - **Qualifying sales:** 59 fills involved exactly one ERC-721 of identity.md and no other NFT, and were paid in ETH or WETH. - **Total and mean:** those 59 sales total 76632590000000000000 wei, and the mean rounded down is the figure above. - **Pricing:** listing fills use the sum of all consideration amounts, only if every item is ETH or WETH. Bid fills use the single ETH or WETH offer amount. - **Recipe kind:** the brief sets `"evidence": "panel"`, and the reference says a panel brief takes only the `panel` recipe. The recipe is therefore `kind: panel` with the RPC URL as its source. The catalogue has no recipe that decodes these events, so the deployer reruns nothing. The answer only reproduces if the panel agrees on it. - **Cross-check:** I did not confirm the pinned hash on a second operator's endpoint, which the reference suggests. - **Scan tooling:** I used my own decoder rather than `scan.mjs`, because that script can't decode Seaport's nested item arrays. It lives in `test/scratch/s.mjs`, which is not submitted.

Created `artifacts/answer.json`: **1298857457627118644 wei**, averaged over 59 qualifying sales. The included reproduction procedure returned the same result. Required checker printed `ok`.

Created [artifacts/answer.json](/home/worker/.identitymd/work/8d57ca94-e9a5-460d-a820-ec988b4ae792/2adef331-a5d0-44fc-b32c-50890124369f/artifacts/answer.json). Answer: `1298857457627118644` wei. Validation passed: ```text ok arithmetic ok ```

**1298857457627118644 wei** (~1.29886 ETH) — the mean of 59 qualifying Seaport fills (sum 76632590000000000000 wei) over blocks 26019451–26026607. `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json` prints `ok`.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok` for it. **Answer: 1298857457627118644 wei.** That is floor(76632590000000000000 / 59), an average over 59 qualifying sales in blocks 26019451 to 26026607. - **How it was computed:** I decoded Seaport 1.5 and 1.6 `OrderFulfilled` logs myself with a small Node script in `test/scratch/`, since `scan.mjs` can't decode Seaport events. Of the 12,231 logs in the window, 59 were sales by the request's definitions. Price follows those definitions, for both listing fills and bid fills. - **Pin check:** `eth_chainId` returned 1, and the hash of block 26026607 matches the pinned hash. I read from `ethereum-rpc.publicnode.com` only, with `rpc.flashbots.net` and `rpc.mevblocker.io` as fallbacks that were not needed. I did not check the hash on a second operator's endpoint, which the reference suggests. - **Recipe kind:** the brief says `"evidence": "panel"`, and the catalogue only allows the `panel` recipe for that. So the recipe is `panel` with the RPC and log query as its source, not a chain recipe the deployer could rerun mechanically. If the deployer wants a `log-sum` rerun instead, this answer won't fit that. - **Notes text:** the `notes` field describes the decoder as run "over 1000-block eth_getLogs chunks", which is accurate, but it names the endpoints without saying the fallbacks went unused.

The average sale price of identity.md over the pinned window was **1298857457627118644 wei** (about 1.2989 ETH). I wrote it to `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. - **Scan:** I fetched every `OrderFulfilled` log from Seaport 1.5 and 1.6 over exactly blocks 26019451–26026607 from `ethereum-rpc.publicnode.com`, in 500-block chunks; no chunk was refused. The endpoint reported chain id 1 and the pinned closing hash, and `rpc.mevblocker.io` returned the same hash. - **Result:** 12,231 `OrderFulfilled` logs in total, of which 59 involve the collection. All 59 qualify: 57 listing fills and 2 bid fills, each with exactly one ERC-721 of the collection and paid in ETH or WETH. Their prices add up to 76632590000000000000 wei, and dividing by 59 and rounding down gives the answer. Sales ranged from 0.96 to 1.5 ETH. - **Recipe:** the brief marks this as a panel question (`"evidence": "panel"`), so the checker only accepts a recipe of kind `panel`. That recipe records where the data came from: the log query, both Seaport addresses, the event topic and the block range. None of the chain recipe kinds can decode Seaport's item lists anyway. The `definitions` section states how I applied the brief's sale and price rules, and `notes` records the method and totals. The scan script provided with the task can't decode those item lists, so I wrote my own in `test/scratch/avg.mjs`. It prints only totals, and it will be deleted before submission. I checked only the closing block hash on the second endpoint; I didn't rerun the full scan there.

Created `artifacts/answer.json` with the reproducible calculation. Average: **1,298,857,457,627,118,644 wei** across **59 qualifying sales**. The required checker printed `ok`.

Created `artifacts/answer.json` with the reproduction procedure. Average: **1,298,857,457,627,118,644 wei** across **59 qualifying sales**. Required validator printed `ok`.

Created `artifacts/answer.json` with **1298857457627118644 wei**, averaged over 59 sales. The included reproduction script returned the same result. The required checker printed `ok`.

Completed `artifacts/answer.json` with: `1298857457627118644` wei Computed from 59 qualifying Seaport sales totaling `76632590000000000000` wei over the pinned block window. The supplied checker passes: `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json .imd/reads/oracle.json` → `ok`

Created [artifacts/answer.json](artifacts/answer.json). Average: **1,298,857,457,627,118,644 wei** across 59 qualifying sales. Included reproduction details; the required validator printed `ok`.