{
  "height": 86,
  "block_hash": "74d12e0372377effbdba450e5e2c6485d407241beda3bde47b6438e322b2dc50",
  "header": {
    "v": 1,
    "height": 86,
    "prev_hash": "862489960196af2b99ab41ceb87dc92044a04bbd7f08b1e009568e93e4f96f4d",
    "merkle_root": "13431baf41f0ca2d5ed8cf1e8be1bb3eb6bb4d03bb8bf73b9913b99580bff34a",
    "first_seq": 89,
    "last_seq": 89,
    "entry_count": 1,
    "at": "2026-10-24T20:42:19.200Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T20:42:19.200Z\",\"entry_count\":1,\"first_seq\":89,\"height\":86,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":89,\"merkle_root\":\"13431baf41f0ca2d5ed8cf1e8be1bb3eb6bb4d03bb8bf73b9913b99580bff34a\",\"prev_hash\":\"862489960196af2b99ab41ceb87dc92044a04bbd7f08b1e009568e93e4f96f4d\",\"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."
}