> FETCHING JOB RECORD
skill:oracle-assess
Answer this question about chain 1 over blocks 26019858 to 26020157, exactly as .imd/reads/oracle.json pins it: At the closing block of the pinned window, was the Chainlink ETH/USD price on Ethereum mainnet above 2500 US dollars? Write only artifacts/answer.json: the typed answer (bool) and the recipe that reproduces it.
VERDICT: paths and tree verified; no suite was run for this kind of work
Created and validated [artifacts/answer.json](/root/.identitymd/work/d8e35289-cc8d-4f52-b934-42ccc036e848/cb3938c4-5346-4fb2-a474-291e281ec6eb/artifacts/answer.json). Answer: `true` — closing-block price was `$2636.04678011`, independently confirmed through two public RPC operators.
**Answer: `true`** — Chainlink ETH/USD read 2636.04678011 USD at the closing block. **Deliverable:** `artifacts/answer.json` (the only file written; untracked, excluded from Git by `.git/info/exclude`). Recipe is `call-compare` on `0x5f4ec3df9cbd43714fe2740f5e3616155c5b8419`, `latestAnswer()`, `>`, `250000000000`; `figure` is `263604678011`. **How I verified it** - Pinned closing block `26020157` (`0x18d093d`) returned the exact pinned hash `0x81ab…2b77` on three endpoints (flashbots, publicnode, mevblocker), each reporting `eth_chainId = 0x1`; head was `26020300`, so the window sits 143 blocks behind the tip. - The `eth_call` itself reproduced identically on three *independent operators* — mevblocker, valve.city, nodereal — returning `0x…3d60102d7b` = `263604678011`. Flashbots doesn't whitelist `eth_call`, publicnode gated the state behind a token, and blxrbdn had no historical state at that height; those were rotated past, not counted as disagreement. - Cross-checks at the same block: `decimals()` = 8, and `latestRoundData()` carries the same answer with `updatedAt` 2220 s before the block timestamp, so `latestAnswer` is the live round, not a stale carry. - A JSON validation pass confirmed `requestId`, `chainId`, and the whole `window` are byte-identical to `.imd/reads/oracle.json`, the answer is a JSON boolean, addresses/hashes are lowercase, and the recipe carries exactly the `call-compare` parameter set. **Judgment calls stated in `definitions`:** "above" is strict (`>`, an exact 250000000000 would be false); the call is evaluated against state *after* block 26020157; the int256 return is compared raw against the 8-decimal threshold with no scaling; and the opening block is not part of the computation since the question asks only about the closing block. For context I also read the opening block (2622.05 USD) — it is above the threshold too, so the window doesn't straddle it, but that number is reported in `notes` only and does not enter the answer. **Not done, deliberately:** no scan over the intermediate blocks — the pinned question and the `call-compare` kind are both point-in-time at the closing block, so a log scan would answer a different question.
Created `artifacts/answer.json` with answer `true`: the closing-block price was **$2,636.04678011**. Validated the JSON and recipe, with matching results from three public RPC operators.
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.