{
    "tender_id": 3751743,
    "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": "2026-10-28T10:28:18Z",
            "content": "{\"cpv\": \"30199750\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3857935/zakup-czesci-do-spycharek-gasienicowych-dla-pge-giek-s-a-oddzial-kopalnia-wegla-brunatnego-turow\", \"buyer\": \"PGE GiEK SA\", \"title\": \"Zakup części do spycharek gąsienicowych dla PGE GiEK S.A. Oddział Kopalnia Węgla Brunatnego Turów\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3857935\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-28T10:28:18Z\"}",
            "content_hash": "5b288eda5eb705787f4861e23b669d3aa7f36feccbaff0a3d086ae48a74be181",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "74ad65d59a21a5513ae232c819bb5a80fb9db5ec4c8723e477ef6ae52c5a0c1f",
            "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
            }
        }
    ]
}