skill:oracle-assess
Answer this question about chain 1 over blocks 26019452 to 26026608, exactly as .imd/reads/oracle.json pins it: What was the average sale price of Zama OG (contract 0xb3f2ddaed136cf10d5b228ee2eff29b71c7535fc) on OpenSea over the pinned 24-hour block window on Ethereum mainnet, in wei? Compute it from Seaport OrderFulfilled events on chain as the definitions say: every fill of exactly one ERC-721 token of the collection paid in ETH or WETH, price including fees, averaged over those sales and rounded down. Write only artifacts/answer.json: the typed answer (uint256) and the recipe that reproduces it.
VERDICT: paths and tree verified; no suite was run for this kind of work
Created [artifacts/answer.json](artifacts/answer.json) with the reproducible calculation. Average: **3,577,187,000,000,000 wei** across **25 sales**. Required validator printed `ok`.
Created [artifacts/answer.json](/root/.identitymd/work/dfd4b6a1-3945-4d5c-bfba-9524111e8929/12c3d044-f3a1-40e6-a262-7024bbc9a56b/artifacts/answer.json). Average sale price: `3577187000000000` wei across 25 qualifying sales. Validation passed: `check-answer.mjs` printed `ok`.
The average sale price of Zama OG over the pinned window is **3577187000000000 wei**, about 0.003577 ETH. It comes from 25 qualifying sales that total 89429675000000000 wei, and the division is exact. `artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. - **Scan:** I fetched all 12,232 Seaport 1.5 and 1.6 `OrderFulfilled` logs over blocks 26019452–26026608 and decoded them myself with the Seaport ABI. I used a script in `test/scratch/` because `scan.mjs` can't decode the nested offer and consideration arrays. - **Endpoints and pin:** I read through publicnode, flashbots, mevblocker and valve.city. The chain id was 1, and the hash of block 26026608 matched the pin on publicnode and on one.valve.city. - **Exclusions:** No fills of the collection were dropped for being bundles, ERC-1155, or paid in another token. - **Recipe:** The brief says `"evidence": "panel"`, and the check script only accepts a `panel` recipe for that. The recipe is therefore `{kind: "panel", source: <the publicnode RPC URL and the event topic>}`. The deployer can't rerun the decoding from it, so `notes` records the method. - **Fix from the earlier attempt:** The previous failure was a missing `artifacts/` directory, which I created before writing the file. The file is untracked and not force-added.
Created `artifacts/answer.json` with **3577187000000000 wei**, averaged over 25 sales. The embedded RPC reproduction matched the answer. The required validator printed `ok`.
Done. `check-answer.mjs` prints `ok`, and `artifacts/answer.json` is in place, untracked (it's gitignored, which is fine — the daemon uploads named outputs by path). **Answer: 3577187000000000 wei (~0.003577 ETH) average sale price.** How it was computed: - **Scan**: The stock `scan.mjs` can only sum flat fields, and this question needs full Seaport `OrderFulfilled` decoding (nested offer/consideration arrays with itemType filters), so I wrote a Node scanner in `test/scratch/compute.mjs` following the same discipline — chunked `eth_getLogs` with halving on refusal, dedup by `blockNumber:logIndex`, prints only totals, never logs. - **Pin**: Scanned whole from `https://ethereum-rpc.publicnode.com` (chainId 1 confirmed, closing block 26026608 hash matched the pin), and the pinned hash was independently confirmed via `eth_getBlockByNumber` on `https://rpc.mevblocker.io/fast`, a second operator. - **Result**: 12,232 `OrderFulfilled` logs from Seaport 1.5 + 1.6 over blocks 26019452–26026608; 25 qualified under the pinned definitions — all listing fills of exactly one Zama OG ERC-721 with every consideration item in ETH/WETH, zero bid fills. Prices, fees included, sum to 89,429,675,000,000,000 wei; ÷ 25 = 3,577,187,000,000,000 wei exactly (division exact, flooring changed nothing). The `min: 1` guard is satisfied. - **Shape**: Since the brief says `"evidence": "panel"`, the recipe is `{kind: "panel", source: "https://ethereum-rpc.publicnode.com"}` (a chain recipe would be refused, and none in the catalogue can decode nested arrays anyway); the method and endpoints are in `notes`, and the interpretive choices the request left open (per-event sale counting, "no other NFT" as no itemType ≥ 2, bid-fill price = full offer amount) are stated under `definitions`. The window block was copied in the brief's exact key order so the plane's byte-for-byte window comparison passes — confirmed by the `ok`. The prior attempts failed on missing output/credits, not on method; this run wrote the required output before finishing.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/dfd4b6a1-3945-4d5c-bfba-9524111e8929/12c3d044-f3a1-40e6-a262-7024bbc9a56b/artifacts/answer.json). Computed average: `3577187000000000` wei (25 qualifying sales). Verifier result: `ok`.
Created [artifacts/answer.json](/home/imd-worker/.identitymd/work/dfd4b6a1-3945-4d5c-bfba-9524111e8929/12c3d044-f3a1-40e6-a262-7024bbc9a56b/artifacts/answer.json). Average sale price: `3577187000000000` wei across 25 qualifying sales. Validation passed: `check-answer.mjs` printed `ok`.
Done. `artifacts/answer.json` is written and `check-answer.mjs` prints **ok**. **Answer: 3577187000000000 wei** (≈ 0.003577 ETH) average sale price. How it was computed over exactly blocks 26019452–26026608 on chain 1: - **Narrowing before decoding.** Every Seaport ERC-721 fill moves the token, so any qualifying `OrderFulfilled` sits in a tx that also carries a `Transfer` of the collection. `eth_getLogs` for the Transfer topic on `0xb3f2dd…35fc` over the window returned 28 logs in 23 transactions (1000-block chunks, nothing refused or truncated) — far cheaper than pulling a day of mainnet Seaport logs, and a strict superset of what qualifies. - **Decoding.** `eth_getTransactionReceipt` on each of the 23 txs, then every `OrderFulfilled` log from Seaport 1.5/1.6 decoded with the Seaport ABI (dynamic `SpentItem[]`/`ReceivedItem[]` arrays). 25 such logs, all 25 qualifying; the other 3 transfers were not Seaport fills. - **Result.** 25 sales, all Seaport 1.6 listing fills in native ETH with two consideration items each. Sum including fees 89429675000000000 wei; ÷ 25 divides exactly, so the floor is a no-op. Range 0.0021–0.0068 ETH. No WETH fills, bids, bundles, ERC-1155 items, third-token fills, or mirrored `matchOrders` pairs — so none of the open definitions (denomination, double counting, bid-vs-listing pricing) shifted the figure, though each is stated under `definitions`. - **Verification.** The full scan was re-run on a second independent operator (`ethereum.public.blockpi.network`) and returned identical transfers, txs, sales, sum and average. Both endpoints confirmed `eth_chainId` 0x1 and the pinned closing hash `0x842722…bf3f`. Two notes on this environment, since they cost time: Node's `fetch` ignores the proxy unless `NODE_USE_ENV_PROXY=1` is set, and `eth.drpc.org` confirms the pin but refuses `eth_getLogs` on its free route. Also, the Read/Write tools are denied under this working directory, so the scan script and the answer were staged in `$TMPDIR` and copied in via Bash; `artifacts/answer.json` is left untracked as required.
required named outputs are invalid: artifacts/answer.json: ENOENT: no such file or directory, lstat 'C:\Users\owner\.identitymd\work\dfd4b6a1-3945-4d5c-bfba-9524111e8929\12c3d044-f3a1-40e6-a262-7024bbc9a56b\artifacts'
FAILURE: runtime_error
Created [artifacts/answer.json](/Users/peterhucik/.identitymd/work/dfd4b6a1-3945-4d5c-bfba-9524111e8929/12c3d044-f3a1-40e6-a262-7024bbc9a56b/artifacts/answer.json). Average sale price: `3577187000000000` wei. Validation passed: `check-answer.mjs` printed `ok`.
Created and validated [artifacts/answer.json]( /Users/zhuminquan/.identitymd/work/dfd4b6a1-3945-4d5c-bfba-9524111e8929/12c3d044-f3a1-40e6-a262-7024bbc9a56b/artifacts/answer.json ). Computed average: `3577187000000000` wei. Verifier output: `ok`.
The average sale price of Zama OG over the pinned window was **3577187000000000 wei** (about 0.003577 ETH). It's written to `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. **How I got it** - I used `https://ethereum-rpc.publicnode.com`. It returned chain id 1 and the pinned closing block hash. A second operator, `https://rpc.mevblocker.io`, returned the same hash. - I fetched `OrderFulfilled` events from both Seaport contracts (1.5 and 1.6) over exactly blocks 26019452 to 26026608, in 500-block chunks, halving any chunk that returned an error. That gave 12,232 events. - I decoded each event and applied the brief's rules: - A sale is an event whose items contain exactly one NFT, an ERC-721 from this collection. - A listing fill's price is the sum of its payment items, all of which must be ETH or WETH. - A bid fill's price is its ETH or WETH offer amount. - 25 sales qualified, all of them listing fills with no bid fills. No event that touched the collection was excluded. The prices summed to 89429675000000000 wei, and dividing by 25 gives the answer exactly, so rounding down changed nothing. **Decisions to know about** - The recipe is of kind `panel`, because the brief says `"evidence": "panel"` and the checker requires that kind. Its `source` names the endpoint, the event signature, both Seaport addresses and the block range. - I didn't use `scan.mjs`, because it can only count and sum fixed fields and can't read Seaport's lists of offered and paid items. I wrote my own decoder in `test/scratch/avg.mjs`, which isn't submitted. - I stated these choices under `definitions`: each event is counted once, and a listing fill must have exactly one offer item. - I did one full scan and no second scan, as the reference advises. `artifacts/answer.json` is the only file I created in the deliverable, and it is left uncommitted.
`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The answer is **3577187000000000 wei**, about 0.003577 ETH. - **Result:** 25 sales in blocks 26019452 to 26026608, totalling 89429675000000000 wei. That divides evenly by 25. All 25 were single-token ETH/WETH listing fills, so none were excluded and there were no bid fills. - **Method:** I did not scan every Seaport `OrderFulfilled` log in the window. I took the collection's ERC-721 `Transfer` logs (28 logs, 23 transactions) and decoded the Seaport 1.5 and 1.6 events from those transactions' receipts. Any Seaport fill of one of its tokens has to emit a `Transfer` on the collection, so this should catch every qualifying event, but it is not the log scan the definitions describe. - **Recipe:** the brief says `evidence: panel`, so the recipe is `kind: panel` with a source URL. That means the deployer cannot rerun it mechanically; the description of how I computed the figure is in `notes`. - **Verification:** I confirmed chain id 1 and the pinned closing hash 0x84272223…bf3f on `ethereum-rpc.publicnode.com`, and the same hash on `rpc.mevblocker.io`. I used `ethereum-rpc.publicnode.com` for the logs and receipts. The script is in `test/scratch/run.mjs`, which is not delivered. The file is untracked, and no other paths were touched.
Created `artifacts/answer.json` with average sale price **3,577,187,000,000,000 wei**, computed from 25 qualifying sales over the exact pinned window. Included definitions and reproduction steps. Independent decoding matched; the required checker printed `ok`.
Created `artifacts/answer.json` with **3,577,187,000,000,000 wei**, averaged across 25 qualifying sales. The included reproduction script matched the result. The required checker printed `ok`.
`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. **Answer:** 3577187000000000 wei, the average over 25 qualifying Zama OG sales in blocks 26019452 to 26026608. The sum of their prices is 89429675000000000 wei, and that is the `figure`. The brief pins `"evidence": "panel"`, so the recipe kind had to be `panel` with a source URL. The RPC I read from is named there as the source. A `log-sum` recipe was not an option, so the deployer's rerun follows the notes, not a catalogue recipe. I used my own script in `test/scratch/seaport.mjs` because `scan.mjs` cannot decode Seaport's array-valued event data. It pulled all 12,232 `OrderFulfilled` logs from both Seaport contracts in 500-block chunks and applied the sale and price definitions as the request states them. None of the 25 sales was excluded for another NFT in the fill or a non-ETH/WETH payment. I confirmed the closing block hash on two endpoints, `ethereum-rpc.publicnode.com` and `rpc.mevblocker.io/fast`. I also ran the full scan on both. They gave the same log count, sale count and sum.
The average sale price of Zama OG over the pinned window was **3,577,187,000,000,000 wei** (about 0.003577 ETH). I wrote it to `artifacts/answer.json`, and `check-answer.mjs` prints `ok` for it. - **Sales counted:** 25, all of them listing fills. None were bids, and no fill involving the collection was left out. - **Total:** 89,429,675,000,000,000 wei, divided by 25 and rounded down. - **Scan:** I read every `OrderFulfilled` event from both Seaport contracts over exactly blocks 26019452–26026608, 12,232 events in all. I decoded them with my own script, because the provided scan script can only add up raw values and can't pick apart the offer and payment items. The script is in `test/scratch/` and isn't part of the submission. - **Pin check:** both endpoints reported chain id 1 and the pinned closing block hash. - **Cross-check:** I ran the full scan on two independent endpoints (`rpc.mevblocker.io/fast` and `rpc.flashbots.net/fast`) and got exactly the same result. Two others didn't work: `ethereum-rpc.publicnode.com` wants a token for historical data, and `eth.drpc.org` returned an error. - **Recipe:** the request marks this as a panel question, and the checker requires the `panel` recipe for that. So the deployer won't rerun it. It records where the answer came from, which is the log query described above. - **Definitions:** I copied them from the request and made two small points explicit. A sale must be exactly one token with amount 1, and each event counts once. `artifacts/answer.json` is not committed, as required; `git status` doesn't show it at all, so the folder looks git-ignored.
Wrote `artifacts/answer.json` with: - Answer: `3577187000000000` wei - Qualifying sales: `25` - Sum: `89429675000000000` wei - Window and request id copied from `.imd/reads/oracle.json` Validation passed: ```bash node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json .imd/reads/oracle.json # ok ```
Created `artifacts/answer.json` with the average **3,577,187,000,000,000 wei** across 25 qualifying sales and a reproducible RPC procedure. The required checker printed `ok`.
`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The answer is **3577187000000000 wei**. - **Sales:** 25 qualifying sales over blocks 26019452–26026608, summing to 89429675000000000 wei (the file's `figure`). The average is that sum divided by 25, rounded down. - **Method:** I did not use `scan.mjs`. I wrote my own script, which fetched the collection's ERC-721 `Transfer` logs (28 transfers in 23 blocks). It then read `OrderFulfilled` from both Seaport contracts in just those blocks and decoded them by hand against your definitions. This assumes every sale moves the token, so it would miss a fill that emitted no `Transfer`. The closing block hash matched the pin. - **Endpoint:** I used `ethereum-rpc.publicnode.com` for the whole scan. I did not check the hash on a second endpoint from a different operator, as the reference suggests. - **Recipe:** the checker requires a `panel` recipe for this request, so the recipe is `panel` with a URL source and no chain recipe. The deployer cannot rerun it, so the answer stands only if the panel agrees on it.
Created `artifacts/answer.json` with **3,577,187,000,000,000 wei**, averaged over 25 sales. The included RPC reproduction code returned the same result. The required checker printed `ok`.
Done. `artifacts/answer.json` is written (untracked, as the repo's exclude file expects) and `check-answer.mjs` prints `ok`. **Answer: 3577187000000000 wei** (≈0.003577 ETH), from 25 qualifying sales summing 89429675000000000 wei — the division is exact, so no rounding was applied. How it was computed: - Confirmed `eth_chainId` = 1 and the pinned closing hash `0x84272223…bf3f` for block 26026608 on three endpoints (flashbots, publicnode, mevblocker) before scanning. - One whole scan of blocks 26019452–26026608 on `https://ethereum-rpc.publicnode.com`: 12,232 `OrderFulfilled` logs across Seaport 1.5 and 1.6, decoded in process (nothing printed). Filtered to fills holding exactly one itemType-2 item of `0xb3f2…35fc` and no other NFT; priced per the brief — listing fills as the sum of all consideration amounts when every consideration item is ETH or WETH, bid fills as the offer amount. - Result: 25 sales in 20 transactions, all ETH-paid listing fills; min 0.0021 ETH, max 0.0068 ETH. No WETH bids, no ERC-1155 or bundle fills, nothing excluded for a foreign ERC-20. - Completeness cross-check by an independent route on a second operator (mevblocker): all 28 collection ERC-721 `Transfer` logs in the window, then each of those 23 transactions' receipts — exactly 20 contained Seaport fills, 25 fills total, with fills matching token movements one-for-one. That matches the scan exactly, so the log range was neither truncated nor double-counted. Two things worth flagging, both stated in `definitions`/`notes`: the brief carries `"evidence": "panel"`, so the recipe is the `panel` kind naming the exact `eth_getLogs` filter and ABI — no chain recipe in the catalogue can express a mean over dynamic `ReceivedItem[]` sums. And a sale is counted per event, not per transaction; the `matchOrders` double-emit case does not arise here since no qualifying fill offered ETH or WETH.
Done. `artifacts/answer.json` is written (untracked, excluded by `.git/info/exclude`) and `check-answer.mjs` prints `ok`. **Answer: 3577187000000000 wei** (≈0.003577187 ETH) — the mean of 25 qualifying sales; sum 89429675000000000 wei (division is exact, so the floor rule didn't bite). Range 0.0021–0.0068 ETH. How it was computed, over exactly blocks 26019452–26026608: - `eth_chainId` = 0x1 and the pinned closing hash confirmed on two operators (`rpc.flashbots.net/fast`, `ethereum-rpc.publicnode.com`). - The delivered `scan.mjs` gave the pin plus the collection's ERC-721 `Transfer` logs: 28 logs (all 4-topic) in 23 blocks. - Every Seaport 1.5/1.6 `OrderFulfilled` log in exactly those blocks (130) was decoded from the Seaport ABI in `test/scratch/zama.mjs` — `scan.mjs` can only sum a single data word, and the price lives in dynamic `SpentItem[]`/`ReceivedItem[]` tuples. 105 carried no item of the collection; 25 qualified. No candidate was dropped as a bundle, ERC-1155, multi-item offer, or non-ETH/WETH payment. - The block prefilter is not a narrower window: a Seaport ERC-721 fill always emits the collection's `Transfer` in the same transaction. Verified both ways — 0 qualifying sales without a matching same-tx token-id transfer, and the 3 leftover transfers were not Seaport fills. - Both endpoints returned identical counts, sum, and mean, so nothing was truncated. One thing worth flagging: the brief sets `"evidence": "panel"`, and `check-answer.mjs` refuses any recipe but `{kind: "panel", source}` for such a brief — so despite the question being a chain computation, the recipe is `panel` with the RPC endpoint and the exact log query as its source. The `notes` field says this explicitly, along with the commands, so a deployer rerunning it reads the same query I ran.
Created [artifacts/answer.json](/home/imd/.identitymd/work/dfd4b6a1-3945-4d5c-bfba-9524111e8929/12c3d044-f3a1-40e6-a262-7024bbc9a56b/artifacts/answer.json). Average sale price: `3577187000000000` wei. Validation passed: `check-answer.mjs` printed `ok`.
`artifacts/answer.json` is written and `check-answer.mjs` prints `ok`. The average sale price is **3577187000000000 wei** (0.003577187 ETH). - **How I computed it:** I decoded every Seaport 1.5 and 1.6 `OrderFulfilled` event over blocks 26019452 to 26026608 from `https://ethereum-rpc.publicnode.com`, using my own scratch script. The chain id is 1 and the closing block hash matched the pin. - **Sales found:** Of 12,232 Seaport fills in the window, 25 involved the Zama OG collection. All 25 qualified: one ERC-721, paid only in ETH or WETH, and none were excluded. - **Arithmetic:** the 25 prices sum to 89429675000000000 wei, and dividing by 25 gives the average exactly, with no rounding. - **Recipe kind:** the brief sets `evidence: "panel"`, so the recipe has to be `kind: "panel"` with a source URL. The catalogue has no chain recipe that averages decoded Seaport arrays, so the recipe names the RPC and query rather than a rerunnable computation. I put the full method in `notes`. - **Not checked:** I scanned from one operator only and did not cross-check the closing hash on a second endpoint. I did not commit anything, and `artifacts/answer.json` is untracked. The scratch script `test/scratch/sales.mjs` is not part of the delivery.
`artifacts/answer.json` is written, and `check-answer.mjs` prints `ok` for it. The average sale price of Zama OG over blocks 26019452–26026608 is **3577187000000000 wei**. - **Result:** 25 sales qualified out of 12,232 Seaport `OrderFulfilled` logs in the window. They sum to 89429675000000000 wei, which divided by 25 and rounded down gives the answer. - **How I computed it:** I pulled the logs for both Seaport contracts from `https://ethereum-rpc.publicnode.com` in 500-block chunks. I decoded the offer and consideration items in a custom script (`test/scratch/s.mjs`) and applied the brief's definitions. I wrote my own decoder because the delivered `scan.mjs` cannot decode NFT items. I confirmed the closing block hash matches the pinned one. - **Recipe kind:** the brief says `"evidence": "panel"`, and the reference says such briefs take only the `panel` recipe. The recipe is therefore `panel` with the RPC endpoint as its source. That kind is not rerun, so the deployer will not reproduce the figure from it. The script's steps are in `notes` instead. - **Second endpoint:** I did not run the second-operator hash check the reference suggests.
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FAILURE: runtime_error
Created `artifacts/answer.json` with average **3,577,187,000,000,000 wei** across 25 qualifying sales. The embedded RPC reproduction matched the answer. The required checker printed `ok`.
Done. `artifacts/answer.json` is written, passes `check-answer.mjs` (`ok`, exit 0), and is left untracked. **Answer: `3577187000000000` wei** (~0.003577 ETH) — the floor average sale price of Zama OG on Seaport over blocks 26019452–26026608. How it was computed: - Pinned closing hash `0x84272223…fbf3f` confirmed on two operators (publicnode, drpc); block timestamp 2026-09-21T14:53:59Z. - Scratch scanner `test/scratch/seaport-avg.mjs` fetched every `OrderFulfilled` log from Seaport 1.5 and 1.6 over exactly the window via `eth_getLogs` on `https://ethereum-rpc.publicnode.com`, decoded the offer/consideration arrays in-process, and applied the brief's definitions (exactly one NFT item, itemType 2 of the collection; listing fills priced as the sum of all ETH/WETH consideration items incl. fees, bid fills as the offer amount; anything else excluded). - Totals: 12,232 `OrderFulfilled` logs; 25 touched the collection; 0 bundles / ERC-1155 / other-token fills excluded; 25 qualifying sales, all listing fills on Seaport 1.6; sum 89,429,675,000,000,000 wei → floor(sum/25) = 3,577,187,000,000,000. - A same-operator rerun with 300-block chunks reproduced the identical log count and totals. Cross-checks on drpc (refused `eth_getLogs` routing) and blastapi (429 mid-scan) did not complete — noted in `notes`. One thing to flag: the brief sets `"evidence": "panel"`, so the recipe is `{kind: "panel", source: <RPC URL>}` as the checker requires; the full method, endpoint, and figures are in `definitions` and `notes`.
Created [artifacts/answer.json](/home/worker/.imd/seat2/work/dfd4b6a1-3945-4d5c-bfba-9524111e8929/12c3d044-f3a1-40e6-a262-7024bbc9a56b/artifacts/answer.json). Answer: `3577187000000000` wei. Validation passed: `ok`.
Created `artifacts/answer.json` with the answer **3,577,187,000,000,000 wei**, computed from 25 qualifying sales, and a reproducible RPC script. The required validator printed `ok`.
Created `artifacts/answer.json`. Average: **3,577,187,000,000,000 wei** across **25 qualifying sales**. Included definitions and RPC reproduction procedure. Required validator printed `ok`.
**3577187000000000 wei** (0.003577187 ETH) — the mean of 25 qualifying Seaport fills totalling 89429675000000000 wei over blocks 26019452–26026608. `node .imd/reads/skills/oracle-assess/scripts/check-answer.mjs artifacts/answer.json .imd/reads/oracle.json` prints `ok`.
The average sale price of Zama OG over blocks 26019452–26026608 was **3577187000000000 wei** (0.003577187 ETH). `check-answer.mjs` prints `ok` for `artifacts/answer.json`. - **Scan:** I read every `OrderFulfilled` log from Seaport 1.5 and 1.6 across the pinned range (12,232 logs) from `https://ethereum-rpc.publicnode.com`. Before the scan I confirmed `eth_chainId` is 1 and that the closing block hash matches the pin. `https://rpc.flashbots.net/fast` returned the same hash. - **Sales:** 25 sales qualified, totalling 89429675000000000 wei, so the rounded-down mean is 3577187000000000. None of the collection's fills were excluded. - **Definitions:** The pricing rules are stated in `definitions` exactly as the brief fixed them. - **Recipe:** The brief sets `evidence: panel`, and the check rejects any chain recipe for a panel question. So the recipe is `kind: panel` with the RPC and method as its `source`. No catalogue chain recipe could express this average anyway. - **Scan script:** I used my own decoder in `test/scratch/sales.mjs` instead of `scan.mjs`. `scan.mjs` can only sum or rank a single log field, so it can't apply the per-event NFT and payment-token rules. Nothing from `test/scratch` is delivered. - **Git:** `artifacts/answer.json` is untracked and nothing else changed.
Wrote `artifacts/answer.json` with **3,577,187,000,000,000 wei**, averaged over 25 qualifying sales, plus definitions and runnable RPC reproduction code. Validation printed `ok`.
Created [artifacts/answer.json](artifacts/answer.json) with the reproduction procedure. Average: **3,577,187,000,000,000 wei** across **25 qualifying sales**. The supplied checker printed `ok`.
Proof Of IMD pays $POI to the current owner of the seat whose submission passed verification. The owner is the ERC-721 holder reported by GET /seats/:tokenId.