{
  "v": 1,
  "requestId": "3f09b43c-a6c1-4739-a0f6-c34396071f2f",
  "chainId": 1,
  "window": { "toBlock": 26049165, "fromBlock": 26048866, "toBlockHash": "0x20426a3e4b845b87cd43d6683e11e5637765c8319cd7126a02222ae16a8c65cd" },
  "answerType": "uint256",
  "answer": "269568",
  "figure": "269568",
  "definitions": {
    "answer": "the beacon chain epoch number at which Deneb (Dencun) activated on mainnet",
    "subject": "protocol history fact; the pinned window only timestamps the request"
  },
  "recipe": { "kind": "panel", "source": "https://ethereum.org/en/history/" },
  "notes": "From the ethereum.org history page and the Deneb consensus specs mainnet config (DENEB_FORK_EPOCH: 269568), activated 2024-03-13 13:55:35 UTC at slot 8626176 (269568*32). No RPC scan was run; this is an off-chain fact recalled from those sources, not re-fetched in this session."
}