{
    "tender_id": 4773192,
    "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": "2026-11-02T13:00:49Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865835/zakup-sprzetu-medycznego-dla-klinicznego-oddzialu-kardiologii-dzieciecej-\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY IM. JANA MIKULICZA-RADECKIEGO WE WROCŁAWIU\", \"title\": \"Zakup sprzętu medycznego dla Klinicznego Oddziału Kardiologii Dziecięcej.\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865835\", \"deadline_at\": \"2026-11-16T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:49Z\"}",
            "content_hash": "f69c7f9d65011f936448b984c41bf6812aa2126182935b52b92b5c5e7cf84ce8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b16ae9f455282e70f2dbf4893fecc21ffff23325736c1b0c688188da9f4c6e3b",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T13:46:04Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865835/zakup-sprzetu-medycznego-dla-klinicznego-oddzialu-kardiologii-dzieciecej-\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY IM. JANA MIKULICZA-RADECKIEGO WE WROCŁAWIU\", \"title\": \"Zakup sprzętu medycznego dla Klinicznego Oddziału Kardiologii Dziecięcej.\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865835\", \"deadline_at\": \"2026-11-16T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:49Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/757366-2026\"}",
            "content_hash": "cd1fbe7c07bee71f2219aa68d44cd16f05b524003362652ad6973277142dc029",
            "prev_hash": "b16ae9f455282e70f2dbf4893fecc21ffff23325736c1b0c688188da9f4c6e3b",
            "hash": "e506e673c95c62d8723f2411fda94775dd69b873b16e4eef786633149eb55636",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-02T19:45:50Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865835/zakup-sprzetu-medycznego-dla-klinicznego-oddzialu-kardiologii-dzieciecej-\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY IM. JANA MIKULICZA-RADECKIEGO WE WROCŁAWIU\", \"title\": \"Zakup sprzętu medycznego dla Klinicznego Oddziału Kardiologii Dziecięcej.\", \"region\": \"dolnoslaskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865835\", \"deadline_at\": \"2026-11-16T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T13:00:49Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401503\"}",
            "content_hash": "652c1e5c5a297519107faded3ef722d6b3788992ab5747b08e2b466fa87bf91d",
            "prev_hash": "e506e673c95c62d8723f2411fda94775dd69b873b16e4eef786633149eb55636",
            "hash": "61908c1441316ea09eeb18b54231b855c1cd2042c9aabca75ea4774d59a93055",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}