{
    "tender_id": 3931807,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-10-29T11:16:19Z",
            "content": "{\"cpv\": \"33183100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860040/dostawa-endoprotez-stawu-kolanowego-na-potrzeby-cozl\", \"buyer\": \"Centrum Onkologii Ziemi Lubelskiej im. Św. Jana z Dukli\", \"title\": \"Dostawa endoprotez stawu kolanowego na potrzeby COZL\", \"region\": \"podkarpackie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860040\", \"deadline_at\": \"2026-12-07T07:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:19Z\"}",
            "content_hash": "45479bf6d17cd2d34916f60e8e09ad29b684cba947fb76ed2477fe8e29831ed5",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "d01580c40312cc0c5ececc5a383b63a60f4b36722e53fc3c101c252f2ed0e3d2",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T11:45:36Z",
            "content": "{\"cpv\": \"33183100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860040/dostawa-endoprotez-stawu-kolanowego-na-potrzeby-cozl\", \"buyer\": \"Centrum Onkologii Ziemi Lubelskiej im. Św. Jana z Dukli\", \"title\": \"Dostawa endoprotez stawu kolanowego na potrzeby COZL\", \"region\": \"podkarpackie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860040\", \"deadline_at\": \"2026-12-07T07:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:19Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/751489-2026\"}",
            "content_hash": "d13411c3e0e701891a642c699572c0ed3359e0130a3b41f67d56a2ea9df3ae28",
            "prev_hash": "d01580c40312cc0c5ececc5a383b63a60f4b36722e53fc3c101c252f2ed0e3d2",
            "hash": "589c9b096de4e8c43b557a6f29b9c42e7c7e03e88ff5a3c6a070dd56b95a1830",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-10-29T19:45:58Z",
            "content": "{\"cpv\": \"33183100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860040/dostawa-endoprotez-stawu-kolanowego-na-potrzeby-cozl\", \"buyer\": \"Centrum Onkologii Ziemi Lubelskiej im. Św. Jana z Dukli\", \"title\": \"Dostawa endoprotez stawu kolanowego na potrzeby COZL\", \"region\": \"podkarpackie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860040\", \"deadline_at\": \"2026-12-07T07:45:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T11:16:19Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1396378\"}",
            "content_hash": "ca7d249290b4ec71210348d623091b4cb0f25915e4d70ffdc3f27e400385c1aa",
            "prev_hash": "589c9b096de4e8c43b557a6f29b9c42e7c7e03e88ff5a3c6a070dd56b95a1830",
            "hash": "18a1e2e125525ad8dce5dac3798efd5cd489ecc15199d2920ffb602701e7aa89",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}