{
    "book_id": 1811,
    "book_title": "Dark Necessities",
    "proof_id": 62,
    "version_no": 1,
    "created_at": "2026-03-07T10:32:10-03:00",
    "content_sha256": "59102ba0cf32a7bb9885503a6766d934912b7fb360df0080ce538aef9ee1f1df",
    "canonical_included": false,
    "canonical_json": null,
    "tsa": {
        "status": "skipped",
        "policy_oid": null,
        "serial_number": null,
        "gen_time": null,
        "token_base64": null
    }
}