{
  "height": 18,
  "block_hash": "a923ee75eef62aa9b2035884401378d0411106b03678fed83dc26e5284b7ad6d",
  "header": {
    "v": 1,
    "height": 18,
    "prev_hash": "4a4feeae5a87219f3cc4b6ee1e93e2b95f307a1d651e5b8f9b9a1803e483964e",
    "merkle_root": "216926db2df5c65b47ea872c78f7b0a04f202d0fb8bffc405e4380dce5f114ee",
    "first_seq": 81,
    "last_seq": 82,
    "entry_count": 2,
    "at": "2026-11-06T23:38:33.697Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-06T23:38:33.697Z\",\"entry_count\":2,\"first_seq\":81,\"height\":18,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":82,\"merkle_root\":\"216926db2df5c65b47ea872c78f7b0a04f202d0fb8bffc405e4380dce5f114ee\",\"prev_hash\":\"4a4feeae5a87219f3cc4b6ee1e93e2b95f307a1d651e5b8f9b9a1803e483964e\",\"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."
}