{
    "tender_id": 4322183,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-10-31T10:16:04Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865507/zakup-i-dostawa-maszyn-i-urzadzen\", \"buyer\": \"PKP Polskie Linie Kolejowe S.A.\", \"title\": \"Zakup i dostawa maszyn i urządzeń\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865507\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:04Z\"}",
            "content_hash": "cda031121611a29774748987315f75332b970d73c147f0e51229518f016e3360",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "7d4d64fc58cf3c50c26c11bda97d5a7441cb9cff72dbc4fe94695581f29ac1fb",
            "actor": null,
            "seal": null
        }
    ]
}