{
  "height": 68,
  "block_hash": "171ef9673ca5823951cd9e15f12600f7bd5392a0831ea640c9308da85be9b2c5",
  "header": {
    "v": 1,
    "height": 68,
    "prev_hash": "37426d46fb3bb3268317ef4cdc54bac59a492fd5d40ff3ced3bebd3908fb0229",
    "merkle_root": "41eea41b8049f1a15392e9bf1e4c051fba9c04bf32c20a8afc9a959474bdda2e",
    "first_seq": 70,
    "last_seq": 70,
    "entry_count": 1,
    "at": "2026-10-24T19:13:37.242Z",
    "key_id": "key_41eb7b6d1b11968a"
  },
  "signed_bytes": "{\"at\":\"2026-10-24T19:13:37.242Z\",\"entry_count\":1,\"first_seq\":70,\"height\":68,\"key_id\":\"key_41eb7b6d1b11968a\",\"last_seq\":70,\"merkle_root\":\"41eea41b8049f1a15392e9bf1e4c051fba9c04bf32c20a8afc9a959474bdda2e\",\"prev_hash\":\"37426d46fb3bb3268317ef4cdc54bac59a492fd5d40ff3ced3bebd3908fb0229\",\"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."
}