{
    "tender_id": 3504817,
    "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": "2026-10-27T03:26:10Z",
            "content": "{\"cpv\": \"44160000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854258/rfp-wykonanie-materialow-technologicznych-dla-wydzialu-p-27-przeslon-rury-przelewowej-oraz-kryzy-dlawiacej-na-rok-2027\", \"buyer\": \"KGHM Polska Miedź S.A.\", \"title\": \"RFP Wykonanie materiałów technologicznych dla Wydziału P 27 przesłon, rury przelewowej oraz kryzy dławiącej na rok 2027\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854258\", \"deadline_at\": \"2026-11-13T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T03:26:10Z\"}",
            "content_hash": "cdbab3c0d726b0c6b0894eee7769de2a6602703a6e886b18e19d08b2b0afc215",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "fa98b1618bd29ae683d25858655764783a09b11fe7a8dc33a336bf4e4025fb3d",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}