{
    "tender_id": 5002557,
    "check": {
        "ok": true,
        "versions": 4,
        "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": "2026-11-03T14:36:50Z",
            "content": "{\"cpv\": \"30199750\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869703/zakup-wraz-z-dostawa-kalendarzy-sciennych-na-2027-r-\", \"buyer\": \"Międzyleski Szpital Specjalistyczny w Warszawie\", \"title\": \"Zakup wraz z dostawą kalendarzy ściennych na 2027 r.\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869703\", \"deadline_at\": \"2026-11-10T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:51Z\"}",
            "content_hash": "54fe34368169d735ec66f6cd1770a60e30eb3f287610aa7c66436b18d9c9dd78",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "12c57ec9e031be4137c7e3422ac4c79818a608138d08bfef7714d02b75a9e381",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T18:45:23Z",
            "content": "{\"cpv\": \"30199750\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869703/zakup-wraz-z-dostawa-kalendarzy-sciennych-na-2027-r-\", \"buyer\": \"Międzyleski Szpital Specjalistyczny w Warszawie\", \"title\": \"Zakup wraz z dostawą kalendarzy ściennych na 2027 r.\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869703\", \"deadline_at\": \"2026-11-10T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:51Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869703/zakup-wraz-z-dostawa-kalendarzy-sciennych-na-2027-r-\"}",
            "content_hash": "9ecac35919f34352111c70e62bf7c6012754601d4413e7ccb1141b4e74ec4a03",
            "prev_hash": "12c57ec9e031be4137c7e3422ac4c79818a608138d08bfef7714d02b75a9e381",
            "hash": "a1a8f70b5b046fe2f6a42543f4549351d668ca6d47928a6407d7731caa454d82",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 3,
            "recorded_at": "2026-11-03T21:46:21Z",
            "content": "{\"cpv\": \"30199750\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869703/zakup-wraz-z-dostawa-kalendarzy-sciennych-na-2027-r-\", \"buyer\": \"Międzyleski Szpital Specjalistyczny w Warszawie\", \"title\": \"Zakup wraz z dostawą kalendarzy ściennych na 2027 r.\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869703\", \"deadline_at\": \"2026-11-10T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:51Z\", \"procedure_url\": \"https://mssw.ezamawiajacy.pl/pn/mssw/demand/notice/public/241808/details\"}",
            "content_hash": "8735a14eba395194cf7035f2d70ab4b4f579fb85da62a168ca343216de6e3c24",
            "prev_hash": "a1a8f70b5b046fe2f6a42543f4549351d668ca6d47928a6407d7731caa454d82",
            "hash": "78903c917845ae7dfdfc0e9963609bddd6e2beb85d6fad4fd700373c680e2eee",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 4,
            "recorded_at": "2026-11-04T10:46:31Z",
            "content": "{\"cpv\": \"30199750\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869703/zakup-wraz-z-dostawa-kalendarzy-sciennych-na-2027-r-\", \"buyer\": \"Międzyleski Szpital Specjalistyczny w Warszawie\", \"title\": \"Zakup wraz z dostawą kalendarzy ściennych na 2027 r.\", \"region\": \"mazowieckie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869703\", \"deadline_at\": \"2026-11-10T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:51Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869703/zakup-wraz-z-dostawa-kalendarzy-sciennych-na-2027-r-\"}",
            "content_hash": "9ecac35919f34352111c70e62bf7c6012754601d4413e7ccb1141b4e74ec4a03",
            "prev_hash": "78903c917845ae7dfdfc0e9963609bddd6e2beb85d6fad4fd700373c680e2eee",
            "hash": "f7d3ae1378293469e40399d478a582d8ed32bd5341aa2b1f17f825ca35fefecf",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}