{
  "height": 166,
  "block_hash": "61756ba63fe6d57e58f4c30206550e6d17a34a1e3f8408a28b2375cf0828b784",
  "header": {
    "v": 1,
    "height": 166,
    "prev_hash": "e8352d113a6151816b04af398c511fdbd88d5a9da7f2d9870fcc8ba8df1eb742",
    "merkle_root": "1939b12233cadcc9244459496ad4945624881875e446b030edf6df91901ebf5d",
    "first_seq": 204,
    "last_seq": 205,
    "entry_count": 2,
    "at": "2026-10-25T03:34:21.158Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-25T03:34:21.158Z\",\"entry_count\":2,\"first_seq\":204,\"height\":166,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":205,\"merkle_root\":\"1939b12233cadcc9244459496ad4945624881875e446b030edf6df91901ebf5d\",\"prev_hash\":\"e8352d113a6151816b04af398c511fdbd88d5a9da7f2d9870fcc8ba8df1eb742\",\"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."
}