{
    "tender_id": 3724240,
    "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": "2026-10-28T04:54:06Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857262/zapytanie-o-informacje-cenowa-rfi-akumulator-do-ciagnika-szynowego-el-16\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"Zapytanie o informację cenową (RFI): Akumulator do ciągnika szynowego EL-16\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3857262\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:07Z\"}",
            "content_hash": "ce9a6970ab5bdf368ebe405cd033fb04c4df1cc78eaf55d6c7973e2b851478f7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2d4dff7bc231c3ee15419556f6a53c331e7bdcd98b936d1ed1cc980254d25b8f",
            "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": "2026-10-28T05:45:47Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857262/zapytanie-o-informacje-cenowa-rfi-akumulator-do-ciagnika-szynowego-el-16\", \"buyer\": \"POLREGIO S.A.\", \"title\": \"Zapytanie o informację cenową (RFI): Akumulator do ciągnika szynowego EL-16\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3857262\", \"deadline_at\": \"2026-11-03T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T04:54:07Z\", \"procedure_url\": \"https://polregio.eb2b.com.pl/open-preview-auction.html/535736/zapytanie-o-informacje-cenowa-rfi-akumulator-do-ciagnika-szynowego-el-16\"}",
            "content_hash": "709b6e56402c445f873b8239f60e26d44a1c89e0a6e50be23a40c25e0d22755e",
            "prev_hash": "2d4dff7bc231c3ee15419556f6a53c331e7bdcd98b936d1ed1cc980254d25b8f",
            "hash": "65fa852e5c1013de34db2df0355557dcb4c198b4424f9f01ab5baefc894e7819",
            "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
            }
        }
    ]
}