{
  "v": 1,
  "requestId": "4c63591a-2320-4e8b-b199-ae0022c5cf88",
  "chainId": 1,
  "window": {
    "toBlock": 26057837,
    "fromBlock": 26057539,
    "toBlockHash": "0x0f08fef708418244e58052d6fc2104dd9cd88ba920de32c72978ccaeb46b619b"
  },
  "answerType": "uint256",
  "answer": "1986",
  "definitions": {
    "answer": "the four-digit calendar year, as a number",
    "source": "Answer from a reputable public source you actually read (Britannica, an official government, agency or company site, or a major reference work) and name it.",
    "missing": "If you cannot establish the fact from a source, report that; do not guess.",
    "subject": "The question is about a documented fact of history, science, civics or technology. The pinned chain and window of this request only timestamp it; the answer is not a reading taken at the pinned block."
  },
  "recipe": {
    "kind": "panel",
    "source": "U.S. Department of Energy, \"April 26, 1986: Chernobyl\", https://www.energy.gov/management/april-26-1986-chernobyl"
  },
  "notes": "Read the U.S. Department of Energy source, which dates the major nuclear accident at Chernobyl Reactor #4 to April 26, 1986. Extracting the calendar year gives 1986, encoded as a uint256 decimal string. The exact pinned chain and window are retained as request timestamps; this historical fact uses the requested panel evidence and is not an RPC-derived measurement."
}