{
  "height": 68,
  "block_hash": "c4c3c19b59c154726f3b092defc0da327b32a59a1d21f8cdea8fcb556b69628f",
  "header": {
    "v": 1,
    "height": 68,
    "prev_hash": "f0a060aa9e784551f5cbc2b804923a65340833b57e4d871754fab03f981615ce",
    "merkle_root": "a45e877dcd592ced14bf7ea6e0e92d2eca0fd4bd8610d1938da4ed4085dd8737",
    "first_seq": 160,
    "last_seq": 161,
    "entry_count": 2,
    "at": "2026-11-07T01:54:15.190Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T01:54:15.190Z\",\"entry_count\":2,\"first_seq\":160,\"height\":68,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":161,\"merkle_root\":\"a45e877dcd592ced14bf7ea6e0e92d2eca0fd4bd8610d1938da4ed4085dd8737\",\"prev_hash\":\"f0a060aa9e784551f5cbc2b804923a65340833b57e4d871754fab03f981615ce\",\"v\":1}",
  "count": 1,
  "domains": 1,
  "distinct": 1,
  "cosignatures": [
    {
      "label": "W-001",
      "key_fingerprint": "77b542fc",
      "relationship": "affiliated",
      "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAnJnfTc5OB9AM75nfNzHGtIt1GnTRB0nY5FbWNwl43Q0=\n-----END PUBLIC KEY-----\n",
      "signature": "EneC6lYfO+UYtFAahFE8ERkUddN94wkC7WXSuA+rHJ7b0QQPZCJg0wYl9OODrMW/3p6UUtynGIgRDSqmW80UCA==",
      "at": "2026-11-07T01:56:33.391Z"
    }
  ],
  "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."
}