7ed9c564-4e46-48ef-9190-1eeba3381635IMD JOB

`check-answer.mjs` prints `ok`. Computed the average sale price as **1036546333333333 wei** (30 qualifying single-ERC721 ETH/WETH sales of PEPE EXPLORERS via Seaport 1.5/1.6 over blocks 26019451–26026607), cross-checked log counts against a second RPC operator, and wrote it to `artifacts/answer.json` using the required `panel` recipe shape (since the brief pins `"evidence": "panel"`).

Completed [artifacts/answer.json](/home/imd-worker/.identitymd/work/7ed9c564-4e46-48ef-9190-1eeba3381635/302974c9-15ce-4b90-8d6e-736898a3a295/artifacts/answer.json). Average sale price: `1036546333333333` wei. Validation: `check-answer.mjs` prints `ok`.

**Answer: 1036546333333333 wei** (≈0.0010365 ETH) — written to `artifacts/answer.json`; `check-answer.mjs` prints `ok`. How it was derived, over exactly blocks 26019451–26026607: - Verified `eth_chainId` = 1 and the closing block hash `0x8a84f5aa…cdec2` on two independent endpoints (drpc, publicnode) before scanning. - Prefiltered with `eth_getLogs` for the collection's `Transfer` topic → 29 logs in 18 transactions, then pulled those receipts and decoded every Seaport 1.5/1.6 `OrderFulfilled` log with the SpentItem/ReceivedItem layout → 30 qualifying fills (7 listing, 23 bid), sum 31096390000000000 wei, mean floored to 1036546333333333. - Completeness was proven, not assumed: a full sweep of all 7157 blocks for the `OrderFulfilled` topic on both Seaport contracts returned 12231 events, of which exactly those same 30 name the collection. No block range went unfetched. - Both endpoints produced identical totals independently. Two judgment calls, both stated under `definitions`: 1. One transaction matches a listing against a bid — one ERC-721 transfer, two `OrderFulfilled` events (1000000000000000 and 942000000000000 wei). The brief defines a sale as the event, so both count. The transfer-deduplicated alternative (29 sales) would be 1039806551724137 wei; that's recorded in `notes` so a disagreeing panel group is legible. 2. The recipe is `kind: "panel"` because the brief sets `"evidence": "panel"` and the checker rejects anything else for such a brief — and no chain kind can reach a price buried in the event's dynamic arrays. The `source` field carries the exact RPC query so the deployer can rerun it. Scratch scripts live in `/tmp/claude-1001/`, not the repo: both `Read` and `Write` refuse paths under `/home/seat/.identitymd` in this sandbox, so `test/scratch/` was unusable and I installed the artifact with `cp`. `artifacts/` is gitignored and left untracked for the daemon to upload.

Created [artifacts/answer.json](artifacts/answer.json) with the reproducible calculation. Average: **1036546333333333 wei** across **30 sales**. Required validator printed `ok`.

The deliverable is in place: `artifacts/answer.json` (untracked, excluded by `.git/info/exclude`), and `check-answer.mjs` prints `ok`. **Answer: 1036546333333333 wei** (≈0.001037 ETH), sum 31096390000000000 over 30 qualifying fills. How it was computed over exactly blocks 26019451–26026607: - Confirmed `eth_chainId` = 1 and the pinned closing hash on both `https://rpc.flashbots.net/fast` and `https://ethereum-rpc.publicnode.com`. - `OrderFulfilled` can't be topic-filtered by collection (topics are only offerer/zone), so I took the collection's 29 ERC-721 `Transfer` logs in the window (18 transactions), pulled those receipts, and decoded every Seaport 1.5/1.6 `OrderFulfilled` in them — equivalent to scanning all Seaport logs, since every ERC-721 fill emits the collection's `Transfer` in the same tx. - All 30 events qualified: exactly one itemType-2 item of the collection, no other NFT, every money leg native ETH or WETH. Listing fills priced as the sum of all consideration legs (fees included); the one bid fill priced as the offer amount. - Identical totals from both endpoints. Two things worth your attention: - The brief sets `"evidence": "panel"`, and the checker refuses any chain recipe on such a brief, so the recipe is `{kind: "panel", source}` with the source naming the RPC and the exact read sequence. None of the four chain recipes could express this question regardless — the collection and amounts live in dynamic arrays inside the log data. - One judgement call, stated in `definitions` and `notes`: tx `0x792be5582d…` (block 26024565) is a matched pair emitting two qualifying events for one transfer of token 2532 (1000000000000000 gross bid and 942000000000000 seller-side). The brief defines a sale as the event, so both are counted. Counting that pair once would instead give 29 sales and 1039806551724137 — that is the likeliest point of panel disagreement.

Created [artifacts/answer.json](/home/imd/.identitymd/work/7ed9c564-4e46-48ef-9190-1eeba3381635/302974c9-15ce-4b90-8d6e-736898a3a295/artifacts/answer.json). Answer: `1036546333333333` wei. Validation: `check-answer.mjs` prints `ok`.

Created `artifacts/answer.json` with the reproducible calculation. Average: **1,036,546,333,333,333 wei** across **30 qualifying sales**. The required checker printed `ok`.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The answer is **1036546333333333** wei (sum 31096390000000000 over 30 sales, rounded down). - **Recipe kind:** the brief sets `"evidence": "panel"`, so the checker only accepts a `panel` recipe with a source URL. The figure itself comes from chain data. - **Method:** - I fetched every log the collection emitted over blocks 26019451–26026607 (29 logs in 18 transactions) from `https://ethereum-rpc.publicnode.com` only. - The pinned closing hash and chain id 1 matched on that endpoint. I did not run the cross-check on a second operator. - I decoded the Seaport 1.5 and 1.6 OrderFulfilled events from each transaction's receipt, and kept those with exactly one ERC-721 item of the collection and no other NFT. - Listings are priced as the sum of all consideration amounts, and bids as the offer amount. Nothing was excluded as a bundle, ERC-1155 or non-ETH/WETH fill. - I used receipts rather than `scan.mjs` because it only sums data words and cannot decode the nested offer and consideration arrays. - **Judgement call:** one transaction (`0x792be558…`) matched a bid at 1000000000000000 wei against a listing at 942000000000000 wei for token 2532. That gives two OrderFulfilled events for one transfer, and I counted both as separate fills, since the definition counts events. If the deployer's rerun counts one sale per NFT transfer instead, the mean would differ. `definitions` and `notes` in the file state this.

Created `artifacts/answer.json` with average **1,036,546,333,333,333 wei** across 30 qualifying sales. The included reproduction returned the same result. The required checker printed `ok`.

Created `artifacts/answer.json` with the reproducible calculation. Average: **1,036,546,333,333,333 wei** across **30 qualifying sales**. The required validator printed `ok`.

Wrote [artifacts/answer.json](artifacts/answer.json). Average: **1,036,546,333,333,333 wei** across 30 qualifying sales. Included definitions and reproduction code. The required checker printed `ok`.

Done. **The answer is 1036546333333333 wei** (~0.001037 ETH), written to `artifacts/answer.json`, and `check-answer.mjs` prints `ok` against the brief. How it was computed: - I scanned `eth_getLogs` for the `OrderFulfilled` topic on both pinned Seaport contracts (1.5 `0x…14dc` and 1.6 `0x…b395`) over exactly blocks 26019451–26026607 from `https://rpc.flashbots.net/fast`, after confirming `eth_chainId` = 1 and the closing block hash matched the pin; the pin was also cross-checked on `https://ethereum-rpc.publicnode.com`, a second operator. - A scratch decoder in `test/scratch/` (unit-tested against hand-built ABI blobs first, printing only totals) decoded all 12,231 OrderFulfilled events and applied the brief's definitions: exactly one NFT item across offer+consideration, that item ERC-721 (itemType 2) of collection `0xd29c…f148`, priced in native ETH or WETH only, fees included. - That yielded **30 qualifying sales** — 7 listing fills (price = sum of all consideration amounts) and 23 bid fills (price = the single ETH/WETH offer amount) — summing 31,096,390,000,000,000 wei. The average is floor(sum/30) = 1,036,546,333,333,333 wei, which satisfies the `min: 1` guard. - No bundles, ERC-1155 fills, other-token payments, or odd offer shapes involving this collection occurred in the window, so none of the exclusion rules changed the count; I still stated the open choices (per-event counting, single-offer-item shape, WETH-only itemType 1, empty-consideration handling) under `definitions`. - The brief is panel-evidence, so the recipe is `{kind: "panel", source: "https://rpc.flashbots.net/fast"}` — the endpoint the chain was read from. `artifacts/answer.json` is left untracked (the daemon uploads it), and only that path plus `test/scratch/` were touched.

Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/7ed9c564-4e46-48ef-9190-1eeba3381635/302974c9-15ce-4b90-8d6e-736898a3a295/artifacts/answer.json). Average sale price: `1036546333333333` wei. The required checker prints `ok`.

Average sale price: **1036546333333333 wei** (30 qualifying Seaport fills, sum 31096390000000000 wei; verified identically on publicnode and blockmachine, both confirming the pinned closing hash). `check-answer.mjs` prints `ok` for `artifacts/answer.json`.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok` for it. The answer is **1036546333333333** wei, the average over 30 qualifying sales totalling 31096390000000000 wei, rounded down. - **Method:** I pulled the collection's ERC-721 Transfer logs over blocks 26019451–26026607 and got 18 distinct transactions from them. I then fetched those receipts and decoded every Seaport 1.5 and 1.6 `OrderFulfilled` log against your definitions. The stock `scan.mjs` can't decode `OrderFulfilled`, so I used my own script in `test/scratch/`, which is not submitted. - **Closing block:** the script confirmed the pinned hash `0x8a84…cdec2` at block 26026607, but only on publicnode. I did not cross-check it on a second operator's endpoint. - **Endpoints:** publicnode was the primary, with the Flashbots and MEV Blocker endpoints as fallbacks. The script rotates to them on failure, so I can't say which calls they actually served. - **Recipe:** the brief says `"evidence": "panel"`, so the recipe is `panel`, which only takes a source URL. I put `https://ethereum-rpc.publicnode.com` there; it is an RPC endpoint rather than a primary source. The catalogue's chain recipes can't express this computation, and the deployer won't be able to rerun it from the recipe. The real procedure is in `notes`. The first rejected attempt failed on an artifact upload error (502) and the second on a login error. Neither was a fault in the answer content, so I rebuilt it from scratch.

The average sale price was **1036546333333333 wei** (about 0.001037 ETH). The answer is in `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. **How I got it** - I fetched every `OrderFulfilled` log from both Seaport 1.5 and 1.6 over exactly blocks 26019451 to 26026607, using `https://ethereum-rpc.publicnode.com`. That was 12231 logs, fetched in 250-block chunks, with a chunk split in half if the endpoint refused it. - Before the scan I confirmed chain id 1 and the pinned closing block hash on that endpoint. I also checked the hash on a second endpoint, `rpc.mevblocker.io`, and it matched. - The provided `scan.mjs` can't decode Seaport's offer and consideration lists, so I wrote a small decoder in `test/scratch/`. It isn't submitted. - 30 events involved this collection, and all 30 met the request's definition of a sale: 9 were listings being bought and 21 were offers being accepted. None were excluded and none had a price of 0. - The prices add up to 31096390000000000 wei. Divided by 30 and rounded down, that gives the answer. **Recipe and definitions** - The request marks this as a panel question, so the recipe is `panel`. Its `source` names the RPC endpoint, event topic, Seaport contracts and block range. Nothing is rerun from a panel recipe, so reproducing the answer means rescanning those logs. - Under `definitions` I restated the request's rules and added the one it left open: several qualifying sales in one transaction each count separately. One transaction had 10 such sales. **Not done** - I didn't run a second full scan. - I didn't commit `artifacts/answer.json`, as instructed; the daemon uploads it.

`artifacts/answer.json` is written and `check-answer.mjs` prints **ok**. **Answer: 1036546333333333 wei** (≈0.0010365 ETH) average sale price. How it was computed, over exactly blocks 26019451–26026607: 1. **Pin confirmed** on three independent operators (flashbots, publicnode, mevblocker): `eth_chainId` = 0x1 and block 26026607 hash = `0x8a84f5aa…cdec2`. 2. **Narrowed the scan** with `eth_getLogs` for the collection's `Transfer` topic: 29 ERC-721 transfers in 18 transactions. Re-confirmed independently with the delivered `scan.mjs` on publicnode (`logs: 29, pinned: true`) — a Seaport fill always moves the token, so every qualifying `OrderFulfilled` lives in one of those txs. 3. **Decoded every `OrderFulfilled`** emitted by Seaport 1.5/1.6 in those receipts and applied the brief's rules per event: 30 qualifying fills — 7 listing fills (price = sum of consideration, fees included, all items ETH/WETH) and 23 bid fills (price = the ETH/WETH offer amount). Nothing was excluded: no ERC-1155, no bundle, no other currency. 4. Sum 31096390000000000 wei / 30 = 1036546333333333.33 → floored. Decode sanity check: for plain-ETH listing fills, the summed consideration equals the tx `value` exactly. One judgment call, stated in `definitions` and `notes`: tx `0x792be558…` is a `matchAdvancedOrders` that emits **two** qualifying events for one token transfer (bid side 0.001 ETH, listing side 0.000942 ETH). The brief defines a sale as the *event*, so both are counted; the dedup reading (29 sales, keeping the fee-inclusive bid side) would give 1039806551724137, and that number is named in the answer so a reader sees the fork. The recipe is `{ kind: "panel", source }` because the brief sets `"evidence": "panel"` — and no catalogue chain recipe can express this figure anyway, since `log-sum` cannot reach a price nested inside Seaport's `SpentItem`/`ReceivedItem` arrays. Scratch work is in `test/scratch/`; nothing outside `artifacts/answer.json` was created in scope, and nothing was committed.

Created [artifacts/answer.json](artifacts/answer.json) with average **1036546333333333 wei** across 30 sales. The included reproduction procedure returned the same result. Required validator printed `ok`.

Created `artifacts/answer.json` with the reproduction procedure. Average: **1,036,546,333,333,333 wei** across **30 qualifying sales**. Independent decoding confirmed the result; `check-answer.mjs` prints `ok`.

artifact upload failed: answer (502)

FAILURE: internal_error

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FAILURE: runtime_error

Created `artifacts/answer.json` with **1036546333333333 wei**, averaged over 30 qualifying sales, and reproduction details. The required checker printed `ok`.

Created [artifacts/answer.json](artifacts/answer.json) with the answer and reproduction procedure. Average: **1,036,546,333,333,333 wei** across **30 sales**. Reproduction verified; the required checker printed `ok`.

The check prints `ok`, and `artifacts/answer.json` is untracked (git status is clean apart from ignored paths), so it's left for the daemon to upload. ## Result **Answer: `1036546333333333` wei** (≈0.001037 ETH average sale price) **How it was computed** - Scanned `eth_getLogs` on `https://rpc.flashbots.net/fast` (chain id 1 confirmed) over exactly blocks 26019451–26026607, filtered on both Seaport 1.5 and 1.6 addresses and the `OrderFulfilled` topic0 `0x9d9af8e3…6f31`. The closing block hash matched the pin, and I confirmed the same hash on `ethereum-rpc.publicnode.com` (second operator). - 17 RPC calls, none refused; 12,231 `OrderFulfilled` logs in the window, of which 30 touched the collection `0xd29c…f148`. - All 30 qualified under the brief's definitions: 7 listing fills (single ERC-721 offered, every consideration item ETH/WETH → price = sum of consideration incl. fees) and 23 bid fills (single WETH/ETH offer item → price = offer amount). No bundles, ERC-1155 fills, or other-token fills involved the collection. - Sum 31,096,390,000,000,000 wei / 30 = 1,036,546,333,333,333.33… → floored to **1036546333333333**. **Deliverable** - `artifacts/answer.json` — `uint256` answer, `figure`, definitions for every open point (sale, listing/bid fill, exclusions, average, denomination), a `panel` recipe (required since the brief says `"evidence": "panel"`) whose `source` names the RPC and exact filter, and notes describing the run. `check-answer.mjs` prints `ok`. One note on tooling: the delivered `scan.mjs` can't decode Seaport's nested `SpentItem[]`/`ReceivedItem[]` arrays, so I wrote a dependency-free decoder in `test/scratch/seaport-avg.mjs` (imports `keccak256` from the scan script, prints only totals). The exact command is recorded in `notes`.

Created [artifacts/answer.json](artifacts/answer.json). Average: **1,036,546,333,333,333 wei** across 30 sales. The included reproduction procedure returned the same result, and the required checker printed `ok`.

Created `artifacts/answer.json` with the computed uint256 answer: `1036546333333333` Verification passed: ```text node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json .imd/reads/oracle.json ok ``` Computation used 30 qualifying Seaport sales, total `31096390000000000` wei, averaged with floor rounding.

The average sale price is **1036546333333333 wei** (about 0.001037 ETH). I wrote it to `artifacts/answer.json`, and `check-answer.mjs` prints `ok`. - **Window and scan:** I scanned exactly blocks 26019451–26026607 on `https://ethereum-rpc.publicnode.com` only. `eth_chainId` returned 1 and the closing block hash matched the pin. - **Method:** I pulled the collection's ERC-721 Transfer logs (29 logs in 18 transactions). Then I fetched each transaction's receipt and decoded the Seaport 1.5 and 1.6 `OrderFulfilled` events. This avoids downloading every Seaport fill in the window, since a fill of the token always transfers it in the same transaction. I used a scratch script instead of `scan.mjs`, because that script can't decode Seaport's array-typed event data. - **Result:** There were 30 qualifying sales and none excluded. Their prices sum to 31096390000000000 wei, and the floor of the sum divided by 30 is the answer. - **Double-counted token:** One transaction contains two `OrderFulfilled` events for token 2532, from matched orders, with only one Transfer. I counted both because the definition is per event. Counting it as one sale would change the average. This is stated under `definitions`. - **Recipe kind:** The brief says `"evidence": "panel"`, and the checker requires a `panel` recipe in that case, so the recipe is `panel` with the RPC as its source URL. The actual method is in `notes`. - **Second endpoint:** I tried to cross-check the block hash on `eth.drpc.org`, but that run timed out, so only one operator was used. `notes` records this.

Created `artifacts/answer.json` with the recipe and average: **1,036,546,333,333,333 wei** across 30 qualifying sales. Required checker returned `ok`.

The average PEPE EXPLORERS sale price over blocks 26019451–26026607 was **1036546333333333 wei** (about 0.001037 ETH). I wrote the answer to `artifacts/answer.json`, and the answer check prints `ok`. - **Sales counted:** 30 qualifying sales, all through Seaport 1.6. Every one was a listing sold for ETH or WETH, and together they came to 31096390000000000 wei. The average is that total divided by 30, rounded down. - **Nothing excluded:** no event that involved this collection was dropped. There were no bundles, no ERC-1155 fills and no payments in other tokens. - **Scan:** I fetched every OrderFulfilled event from both Seaport contracts over exactly the pinned blocks from `https://ethereum-rpc.publicnode.com`, 12231 events in all. The closing block hash matched the pin on that endpoint and on `https://rpc.flashbots.net/fast`. - **Recipe:** the brief marks this as a panel question, so the recipe is the `panel` kind. Its `source` names the exact query: both Seaport addresses, the event's topic hash and the block range. - **Judgement call:** one transaction holds 10 separate OrderFulfilled events, one token each. Following the brief's definition, I counted each event as its own sale, and I said so in `notes`. The file is untracked (`git status` shows nothing), so the daemon can upload it as instructed.

`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The average sale price is **1425731666666666 wei**. - **Sales:** 6 qualifying Seaport sales, totalling 8554390000000000 wei, over exactly blocks 26019451 to 26026607. - **Method:** the standard scan script can't decode Seaport's nested event data, so I used my own script (`test/scratch/s.mjs`). It pulls the collection's Transfer logs in the window (18 transactions), fetches their receipts and decodes the Seaport 1.5 and 1.6 `OrderFulfilled` logs. It then applies the definitions in the brief. - **Endpoint:** `https://ethereum-rpc.publicnode.com`. I confirmed chain id 1 and the pinned closing block hash on it. I did not check the hash on a second operator's endpoint. - **Recipe:** the brief is panel evidence, so the recipe is `panel`, with the RPC method as its source URL. Nothing reruns that recipe, so the deployer will need to redo the receipt decoding described in `notes`.

`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price is **1036546333333333 wei**: 31096390000000000 wei summed over 30 qualifying sales, rounded down. - **Scan:** I pulled all 12,231 Seaport 1.5 and 1.6 `OrderFulfilled` logs over blocks 26019451 to 26026607 from `https://ethereum-rpc.publicnode.com`, in 1,000-block chunks. - **Pin:** The closing block hash matches the pin on publicnode, `eth.drpc.org` and `rpc.mevblocker.io`. - **Sales:** 30 events involve the collection and all 30 qualify, 7 listing fills and 23 bid fills. None were excluded for a non-ETH/WETH token, a bundle or an ERC-1155. - **Bid pricing:** For a bid fill I took the ETH/WETH offer amount as the price, as the brief's definition says. - **Recipe kind:** The brief is `evidence: panel`, and the checker only accepts a `panel` recipe for such briefs. So the recipe is `kind: panel` with the RPC endpoint and the event/topic/block range as its `source`. The catalogue has no NFT-average chain recipe. - **Scanner:** I used my own decoder in `test/scratch/sales.mjs`, because `scan.mjs` can't read the nested offer and consideration arrays. That script isn't part of the submission. - **Where it's explained:** The endpoints, the method and the assumptions are in `notes` and `definitions` in the answer file.

Created `artifacts/answer.json` with the average **1,036,546,333,333,333 wei** across 30 qualifying sales and reproducible RPC instructions. The required checker printed `ok`.

I computed the average sale price as **1036546333333333 wei**, and the checker prints `ok` for `artifacts/answer.json`. - **Sales counted:** the pinned window (26019451–26026607) has 30 qualifying Seaport fills, 7 listing fills and 23 bid fills. Their prices sum to 31096390000000000 wei, and the floored mean is the figure above. - **Method:** I fetched the collection's ERC-721 `Transfer` logs (29 logs, 18 blocks). I then fetched `OrderFulfilled` from Seaport 1.5 and 1.6 in only those blocks. I decoded them by hand and applied the brief's definitions. Any sale has to move the NFT, so no sale can lie in a block without a transfer. 16 of the 46 events were excluded, as fills of other collections or bundles. - **Endpoints:** I read logs from `ethereum-rpc.publicnode.com`. The closing block hash `0x8a84…dec2` matched on it, on `rpc.flashbots.net` and on `rpc.mevblocker.io`. - **Recipe kind:** the brief is `"evidence": "panel"`, and the checker only accepts a `panel` recipe for such briefs. So the recipe is `panel` with the RPC URL as its source, and the real method is described in `notes`. - **Judgement call:** transaction `0x792be558…cd24` is a `matchOrders` fill that emitted two `OrderFulfilled` events for one NFT transfer, a bid at 1,000,000,000,000,000 wei and a listing at 942,000,000,000,000 wei. I counted both, since the brief defines a sale as an event. If you count that trade once, the count is 29. `definitions` and `notes` say so. I did not use the provided `scan.mjs` for the figure, because it can't decode `OrderFulfilled` arrays. My script is `test/scratch/sales.mjs`, which is not submitted. Only `artifacts/answer.json` is written, and git shows no tracked changes.

Created [artifacts/answer.json](/root/.identitymd/work/7ed9c564-4e46-48ef-9190-1eeba3381635/302974c9-15ce-4b90-8d6e-736898a3a295/artifacts/answer.json). Answer: `1036546333333333` wei. Validation passed: `check-answer.mjs` printed `ok`.

I wrote `artifacts/answer.json` with an average sale price of **1036546333333333 wei**, and `check-answer.mjs` prints `ok`. It comes from 30 qualifying sales summing to 31096390000000000 wei over blocks 26019451–26026607. - **How it was computed:** I confirmed chain 1 and the pinned closing hash `0x8a84f5aa…cdec2` on `https://ethereum-rpc.publicnode.com`, then fetched the collection's logs over the exact window (29 Transfer logs in 18 transactions). I decoded every Seaport 1.5 and 1.6 `OrderFulfilled` event in those transactions' receipts and applied the request's definitions. No fill was excluded for paying in another token or for being a bundle. - **One judgement call:** transaction `0x792be558…` emits two `OrderFulfilled` events for a single transfer, apparently a matched bid and listing. I counted both, because the definition is per event. Counting it once instead would change the mean. I noted this in `notes`. - **Recipe kind:** the brief has `evidence: "panel"`, so the checker only accepts a `panel` recipe. `source` names the RPC endpoint and the calls used. The scan script wasn't used, because the events couldn't be filtered by collection through the log topics. I used only the publicnode endpoint. My scratch script is in `test/scratch/run.mjs`, which isn't submitted. The answer file is untracked.

Created [artifacts/answer.json](/home/worker/.imd/seat2/work/7ed9c564-4e46-48ef-9190-1eeba3381635/302974c9-15ce-4b90-8d6e-736898a3a295/artifacts/answer.json). Average sale price: `1036546333333333` wei. Validation passed: `check-answer.mjs` printed `ok`.

I wrote `artifacts/answer.json`. The average sale price is **1036546333333333 wei**, and the answer check prints `ok`. - **Sales:** 30 qualifying sales in blocks 26019451–26026607, 7 listing fills and 23 bid fills. None were excluded as a bundle, another NFT or a non-ETH/WETH payment. - **Sum:** 31096390000000000 wei, which is also the `figure`. Divided by 30 that is 1036546333333333.33, rounded down. - **Scan:** I fetched every `OrderFulfilled` log from Seaport 1.5 and 1.6 over exactly the pinned blocks from `rpc.flashbots.net/fast`, 12231 logs in all. I decoded the offer and consideration items myself and applied the brief's definitions. - **Pin check:** The closing block hash matched the pin on flashbots. `ethereum-rpc.publicnode.com` returned the same hash for block 26026607. I ran only one full scan, as the task advises. - **Recipe kind:** The brief says `"evidence": "panel"`, and the check rejects any other kind for it. So the recipe is `{ kind: "panel", source: <the flashbots RPC and query> }`. No catalogue chain recipe can decode Seaport item arrays and average them, and the deployer cannot rerun this recipe; that is stated in `notes`. - **Scratch files:** My script is `test/scratch/sales.mjs`, which is not submitted. `artifacts/answer.json` is untracked, as required.