{
  "entry": {
    "seq": 20,
    "at": "2026-10-23T19:45:33.993Z",
    "type": "change.observed",
    "subject": "rightshold-production",
    "payload": {
      "after_hash": "69116c5",
      "after_summary": "the production build at observation time identifies itself as commit 69116c5…",
      "aspect": "production_commit",
      "before_hash": null,
      "before_summary": "the production commit had not been observed before this sweep",
      "detector": {
        "id": "rightshold-change-detector",
        "version": "1"
      },
      "observed_at": "2026-10-23T19:45:33.987Z",
      "path": null,
      "subject_label": "Rightshold production",
      "subject_seq": null,
      "subject_type": "rightshold.production"
    },
    "payload_hash": "6f7feeaabf50166b27cf1d0af80d16b86070fdad7ef3a4513495fb950fe05eac",
    "leaf_hash": "7f590f8d93c577cc3c2dfaa8e55e5ca64d50e7aa0823cd7909426af6574297b0",
    "block_height": 18,
    "texts": {},
    "data": {
      "after_hash": "69116c5",
      "after_summary": "the production build at observation time identifies itself as commit 69116c5…",
      "aspect": "production_commit",
      "before_hash": null,
      "before_summary": "the production commit had not been observed before this sweep",
      "detector": {
        "id": "rightshold-change-detector",
        "version": "1"
      },
      "observed_at": "2026-10-23T19:45:33.987Z",
      "path": null,
      "subject_label": "Rightshold production",
      "subject_seq": null,
      "subject_type": "rightshold.production"
    }
  },
  "status": "sealed",
  "block": {
    "v": 1,
    "height": 18,
    "prev_hash": "0921cb42020a493930de746b2d2a978179d999b628e8a54712d8e7aee749c77b",
    "merkle_root": "7f590f8d93c577cc3c2dfaa8e55e5ca64d50e7aa0823cd7909426af6574297b0",
    "first_seq": 20,
    "last_seq": 20,
    "entry_count": 1,
    "at": "2026-10-23T19:46:17.984Z",
    "key_id": "key_41eb7b6d1b11968a",
    "block_hash": "de1a5dd1067d32d4930794bea615cb1b918042db829fb6500ed1a821e4c90c38",
    "signature": "r+pOGoEVoB/4CjNlOMKuQr8wiZ3EBUV0ttKzYVD9zHgz4kpqHsREj6NeLiI12EcH3u7MiRprTkbU/n+ciEXWCA==",
    "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAEYWJAvPDwdwiByA4ucuPBAV0jLWwXGgtbZqbyrLNMiM=\n-----END PUBLIC KEY-----\n"
  },
  "proof": {
    "leaf_hash": "7f590f8d93c577cc3c2dfaa8e55e5ca64d50e7aa0823cd7909426af6574297b0",
    "index": 0,
    "path": [],
    "merkle_root": "7f590f8d93c577cc3c2dfaa8e55e5ca64d50e7aa0823cd7909426af6574297b0",
    "how_to_verify": "payload_hash = sha256(canonical(payload)); leaf = sha256('leaf:' + canonical({seq, at, type, subject, payload_hash})); fold the path (R: sha256('node:' + acc + hash), L: sha256('node:' + hash + acc)) to merkle_root; verify the Ed25519 signature over canonical(block header)."
  },
  "finality": {
    "state": "bitcoin-anchored",
    "final": false,
    "witnesses": 0,
    "witnesses_confirmed_unaffiliated": 0,
    "witnesses_total": 0,
    "required": 2,
    "finalized_through": null,
    "bitcoin": {
      "anchored": true,
      "block_height": 972829,
      "confirmed_through": 1509
    },
    "states": [
      "recorded",
      "sealed",
      "bitcoin-anchored",
      "witness-quorum",
      "final"
    ],
    "rule": "States climb recorded -> sealed -> bitcoin-anchored -> witness-quorum -> final. A block is final only once its hash is confirmed in Bitcoin AND 2 confirmed-unaffiliated witnesses on distinct registrable domains with distinct keys have cosigned it or any later block; each header commits to every earlier block. Cosignatures from affiliated, unconfirmed, pending or challenged witnesses are public evidence but never count toward quorum."
  }
}