{
    "tender_id": 3063773,
    "check": {
        "ok": true,
        "versions": 2,
        "broken_at": null
    },
    "formula": "content_hash = sha256(content); hash = sha256(prev_hash + \"\\n\" + tender_id + \"\\n\" + version + \"\\n\" + recorded_at + \"\\n\" + content_hash [+ \"\\n\" + actor, when the version has one])",
    "versions": [
        {
            "version": 1,
            "recorded_at": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"55520000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/100640-2026\", \"buyer\": \"NATIONAL ARMY MUSEUM\", \"title\": \"Wielka Brytania – Catering Provision Review\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKI\", \"source_id\": \"ocds-h6vhtk-07888b\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-23T14:22:34Z\", \"notice_number\": \"100640-2026\"}",
            "content_hash": "0982d5a496d78033179ccf2883aab0cf2f54f3e8cbf26575da27bd7ab07a3a56",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "97729105e871568bcf70deab6df7d7de9ac9f026fc064104eecb0b7f93324ba6",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T14:00:09Z",
            "content": "{\"cpv\": \"55520000\", \"url\": \"https://www.find-tender.service.gov.uk/Notice/100640-2026\", \"buyer\": \"NATIONAL ARMY MUSEUM\", \"title\": \"Wielka Brytania – Przegląd Dostaw CATERING\", \"source\": \"find_a_tender\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"UKI\", \"source_id\": \"ocds-h6vhtk-07888b\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Ogłoszenie Find a Tender\", \"published_at\": \"2026-10-23T14:22:34Z\", \"notice_number\": \"100640-2026\"}",
            "content_hash": "46bd202964c98a03c778355cfa876266eb6b89e8798a95a2803badde8b4436ca",
            "prev_hash": "97729105e871568bcf70deab6df7d7de9ac9f026fc064104eecb0b7f93324ba6",
            "hash": "1f794e3b1f82fcf638a257963fc2c4faedf5b6c4623b552d83a7f6404dfadc11",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}