{
    "tender_id": 3829018,
    "check": {
        "ok": true,
        "versions": 5,
        "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": "2026-10-28T21:39:54Z",
            "content": "{\"cpv\": \"72810000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296314\", \"buyer\": \"Związek Międzygminny „Nidzica”\", \"title\": \"Przeprowadzenie audytu zgodności KRI/UoKSC oraz audytu cyberbezpieczeństwa IT/OT/ICS/IIoT\", \"region\": \"swietokrzyskie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kazimierza Wielka, świętokrzyskie\", \"source_id\": \"296314\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T00:00:00Z\"}",
            "content_hash": "c20427e6a29d84684eefa2c4cf1a473870eb7d93426b09747af3791c430c5f81",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "35e4efb775a4f1973a5d2aa480d2eade51111cd4f043f01556c2f94d0bdd18c8",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T04:45:41Z",
            "content": "{\"cpv\": \"72810000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296314\", \"buyer\": \"Związek Międzygminny „Nidzica”\", \"title\": \"Przeprowadzenie audytu zgodności KRI/UoKSC oraz audytu cyberbezpieczeństwa IT/OT/ICS/IIoT\", \"region\": \"swietokrzyskie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kazimierza Wielka, świętokrzyskie\", \"source_id\": \"296314\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296314\"}",
            "content_hash": "a1d5522ab2ea214dd70569f166eaf54cd996d623c9a4d8ef9d696e17d302dea6",
            "prev_hash": "35e4efb775a4f1973a5d2aa480d2eade51111cd4f043f01556c2f94d0bdd18c8",
            "hash": "5abef6ab3e15a171606dd5d695861fab51d3e9091807ad4995bfb7e277579fb4",
            "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": "2026-10-29T05:45:29Z",
            "content": "{\"cpv\": \"72810000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296314\", \"buyer\": \"Związek Międzygminny „Nidzica”\", \"title\": \"Przeprowadzenie audytu zgodności KRI/UoKSC oraz audytu cyberbezpieczeństwa IT/OT/ICS/IIoT\", \"region\": \"swietokrzyskie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kazimierza Wielka, świętokrzyskie\", \"source_id\": \"296314\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858888/przeprowadzenie-audytu-zgodnosci-kri-uoksc-oraz-audytu-cyberbezpieczenstwa-it-ot-ics-iiot\"}",
            "content_hash": "c796dd72341c1cf182d40ee64a821d9b604ddd43dcfb2e3589b12ff3744fcab0",
            "prev_hash": "5abef6ab3e15a171606dd5d695861fab51d3e9091807ad4995bfb7e277579fb4",
            "hash": "416e12773c11e028342abcb1740f7001811200ffe2a31b2e063422d68ba4c4fd",
            "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": 4,
            "recorded_at": "2026-10-31T04:45:24Z",
            "content": "{\"cpv\": \"72810000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296314\", \"buyer\": \"Związek Międzygminny „Nidzica”\", \"title\": \"Przeprowadzenie audytu zgodności KRI/UoKSC oraz audytu cyberbezpieczeństwa IT/OT/ICS/IIoT\", \"region\": \"swietokrzyskie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kazimierza Wielka, świętokrzyskie\", \"source_id\": \"296314\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296314\"}",
            "content_hash": "a1d5522ab2ea214dd70569f166eaf54cd996d623c9a4d8ef9d696e17d302dea6",
            "prev_hash": "416e12773c11e028342abcb1740f7001811200ffe2a31b2e063422d68ba4c4fd",
            "hash": "862780187990b1b74a544473a0b11860150947a977e7c952006c9019741cece1",
            "actor": null,
            "seal": null
        },
        {
            "version": 5,
            "recorded_at": "2026-10-31T10:45:55Z",
            "content": "{\"cpv\": \"72810000\", \"url\": \"https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl/ogloszenia/296314\", \"buyer\": \"Związek Międzygminny „Nidzica”\", \"title\": \"Przeprowadzenie audytu zgodności KRI/UoKSC oraz audytu cyberbezpieczeństwa IT/OT/ICS/IIoT\", \"region\": \"swietokrzyskie\", \"source\": \"baza_konkurencyjnosci\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Kazimierza Wielka, świętokrzyskie\", \"source_id\": \"296314\", \"deadline_at\": \"2026-11-05T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3858888/przeprowadzenie-audytu-zgodnosci-kri-uoksc-oraz-audytu-cyberbezpieczenstwa-it-ot-ics-iiot\"}",
            "content_hash": "c796dd72341c1cf182d40ee64a821d9b604ddd43dcfb2e3589b12ff3744fcab0",
            "prev_hash": "862780187990b1b74a544473a0b11860150947a977e7c952006c9019741cece1",
            "hash": "74fc81b5e68db14811931dc30a18c0f904b08b3532cdac95b52c041da167c1ef",
            "actor": null,
            "seal": null
        }
    ]
}