{
  "height": 51,
  "block_hash": "354d1b336ec3c825611b1cc3bd391d78f0a94c13a5c862b999c5021b9ccd6dad",
  "header": {
    "v": 1,
    "height": 51,
    "prev_hash": "8ba66840c7d113393b43837d34e9ef49786ec753a7f93f95c85fbbe19438409e",
    "merkle_root": "06df7803efb1ca86cc1726b26950a765f803effba3604c3e642b24780840e33e",
    "first_seq": 134,
    "last_seq": 135,
    "entry_count": 2,
    "at": "2026-11-07T01:14:15.031Z",
    "key_id": "key_a521921c2ba20669"
  },
  "signed_bytes": "{\"at\":\"2026-11-07T01:14:15.031Z\",\"entry_count\":2,\"first_seq\":134,\"height\":51,\"key_id\":\"key_a521921c2ba20669\",\"last_seq\":135,\"merkle_root\":\"06df7803efb1ca86cc1726b26950a765f803effba3604c3e642b24780840e33e\",\"prev_hash\":\"8ba66840c7d113393b43837d34e9ef49786ec753a7f93f95c85fbbe19438409e\",\"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": "GBy2u9ukXiS6ak7blkoHr49TAa5KxV+yq1OqGyeQTcTFpdMWPPBGemG2nsKi/yYQp5XNChdAhvT78JwvdzhhDQ==",
      "at": "2026-11-07T01:16:18.941Z"
    }
  ],
  "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."
}