{
    "tender_id": 3662537,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-10-27T22:30:50Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3856329/wykonanie-robot-remontowych-zwiazanych-z-usunieciem-skutkow-zalania-w-obiektach-uwm-w-olsztynie-\", \"buyer\": \"Uniwersytet Warmińsko-Mazurski w Olsztynie\", \"title\": \"Wykonanie robót remontowych związanych z usunięciem skutków zalania w obiektach UWM w Olsztynie.\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3856329\", \"deadline_at\": \"2026-11-17T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T22:30:50Z\"}",
            "content_hash": "1c613ddec6b2cafacb0104bd28e58c7af80cca08e9ea7afe36cbb32f894e0ef0",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8ba04a98baca69009ed065ffd3f8abb00d113debca9389f5c71d1519e7fcf8bb",
            "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": "2026-10-27T23:32:45Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3856329/wykonanie-robot-remontowych-zwiazanych-z-usunieciem-skutkow-zalania-w-obiektach-uwm-w-olsztynie-\", \"buyer\": \"Uniwersytet Warmińsko-Mazurski w Olsztynie\", \"title\": \"Wykonanie robót remontowych związanych z usunięciem skutków zalania w obiektach UWM w Olsztynie.\", \"region\": \"warminsko-mazurskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3856329\", \"deadline_at\": \"2026-11-17T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T22:30:50Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1399239\"}",
            "content_hash": "117f0e4bb5675f142dfaa644edbc151a52ccbc433adbfe0f7832e0740aec120b",
            "prev_hash": "8ba04a98baca69009ed065ffd3f8abb00d113debca9389f5c71d1519e7fcf8bb",
            "hash": "c2749ae8b62a14b872fb29730332cd07e56710bff1861345d4225f6a4044be66",
            "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
            }
        }
    ]
}