{
    "tender_id": 1307625,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"50400000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3788969/zakup-urzadzen-medycznych-na-wyposazenie-oddzialow\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY W POZNANIU\", \"title\": \"Zakup urządzeń medycznych na wyposażenie oddziałów\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3788969\", \"deadline_at\": \"2026-10-19T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-14T20:53:21Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3788969/zakup-urzadzen-medycznych-na-wyposazenie-oddzialow\"}",
            "content_hash": "9f2225392cf5dc567d694b6b547732570417810025bacec959d6503adbba5eee",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "4b2a71ffaaae0db7423d8f89c4bb251df2b20ebb9dc32c668f30b6df3827baac",
            "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": "2026-10-31T23:48:47Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3788969/zakup-urzadzen-medycznych-na-wyposazenie-oddzialow\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY W POZNANIU\", \"title\": \"Zakup urządzeń medycznych na wyposażenie oddziałów\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3788969\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-14T20:53:21Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3788969/zakup-urzadzen-medycznych-na-wyposazenie-oddzialow\"}",
            "content_hash": "8faf47974dab194516d65950626ea173766aec984df402c32d80e0dd94465a05",
            "prev_hash": "4b2a71ffaaae0db7423d8f89c4bb251df2b20ebb9dc32c668f30b6df3827baac",
            "hash": "7aa0503423ce8ed4261d5351d3efd6a1324b0cb4855dbf5403b6004a64b57a2c",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-01T00:45:45Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3788969/zakup-urzadzen-medycznych-na-wyposazenie-oddzialow\", \"buyer\": \"UNIWERSYTECKI SZPITAL KLINICZNY W POZNANIU\", \"title\": \"Zakup urządzeń medycznych na wyposażenie oddziałów\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3788969\", \"deadline_at\": \"2026-11-04T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-14T20:53:21Z\", \"procedure_url\": \"https://e-propublico.pl/Ogloszenia/Details/21ddb48a-9655-44d4-ba70-9e83cb0895cc\"}",
            "content_hash": "136eb2a25ad593dcf041551d61a9a8ba1fd304614fc7acdcd51ff0c92ae6bb2a",
            "prev_hash": "7aa0503423ce8ed4261d5351d3efd6a1324b0cb4855dbf5403b6004a64b57a2c",
            "hash": "62150b374af8f0f6b858043994d06a46a772f6f95cdbc22492478cbffd0079d9",
            "actor": null,
            "seal": {
                "id": 9,
                "digest": "2dfeb1f26d6191d887699bed5d05f226d8baa25e2f81adcf1d5d9f3ce86c75c5",
                "file": "https://tenderiq.pl/rejestr/pieczec-9.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-9.txt.ots",
                "bitcoin_block": 974194
            }
        }
    ]
}