{
    "tender_id": 2826134,
    "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\": \"79823000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3847891/druk-i-dostawa-czasopisma-studia-zamkowe-t-xii-dla-muzeum-zamkowe-w-malborku\", \"buyer\": \"Muzeum Zamkowe w Malborku\", \"title\": \"Druk i dostawa czasopisma Studia Zamkowe t. XII dla Muzeum Zamkowe w Malborku\", \"region\": \"pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3847891\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-22T16:07:37Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396558\"}",
            "content_hash": "890410edd579c8d33abe5f37eec20bffa9c9c4675f04a43eb174f7386e04afa4",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "20d25c08c513d1d91f17629c95c15ca674d611c44e67a5907d7c5474c5dde3f9",
            "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": "2026-10-26T20:56:37Z",
            "content": "{\"cpv\": \"22100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3847891/druk-i-dostawa-czasopisma-studia-zamkowe-t-xii-dla-muzeum-zamkowe-w-malborku\", \"buyer\": \"Muzeum Zamkowe w Malborku\", \"title\": \"Druk i dostawa czasopisma Studia Zamkowe t. XII dla Muzeum Zamkowe w Malborku\", \"region\": \"pomorskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3847891\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-22T16:07:37Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396558\"}",
            "content_hash": "fca4f0e2fa340a41b3d72a7ce4ffa5a3f7dd10d70d205cfd4ca024fb8ef80560",
            "prev_hash": "20d25c08c513d1d91f17629c95c15ca674d611c44e67a5907d7c5474c5dde3f9",
            "hash": "5103afd45f1b61f0a93e8b7efaf7c4c112d92ea14495270f82bce6b467993675",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        }
    ]
}