{
  "height": 87,
  "block_hash": "f185bc791594f6360ea4641125bbd8b3158363646ce1f5fc20d46f2d31afefe4",
  "header": {
    "v": 1,
    "height": 87,
    "prev_hash": "c0b7271eeab33d7c12e538a4c28297729e64c6d285d3bc83b5ff8b110e2135e1",
    "merkle_root": "1b9b15c800e130e3e189a80ffd4d2644b8d97a2fe07066696c247bdc24bc9c90",
    "first_seq": 190,
    "last_seq": 190,
    "entry_count": 1,
    "at": "2026-11-07T02:40:45.315Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T02:40:45.315Z\",\"entry_count\":1,\"first_seq\":190,\"height\":87,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":190,\"merkle_root\":\"1b9b15c800e130e3e189a80ffd4d2644b8d97a2fe07066696c247bdc24bc9c90\",\"prev_hash\":\"c0b7271eeab33d7c12e538a4c28297729e64c6d285d3bc83b5ff8b110e2135e1\",\"v\":1}",
  "count": 0,
  "domains": 0,
  "distinct": 0,
  "cosignatures": [],
  "how_to_verify": "Each signature is Ed25519 over signed_bytes (canonical(header)), checked with the public_key_pem carried in its cosignature record. Witnesses are labelled by registration order (W-001, W-002, ...); public read models never carry a witness's domain or full key id."
}