{
    "tender_id": 2712162,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/676429-2026\", \"buyer\": \"Lapin yliopisto | Lapin ammattikorkekoulu Oy | Rovaniemen koulutuskuntayhtymä\", \"title\": \"Finlandia – Roboty budowlane – Lapin yliopisto, Lapin AMK ja REDU Vuosikorjaustyöt ja investoinnit 2027-2030\", \"source\": \"ted_fin\", \"status\": \"active\", \"cpv_more\": [\"45330000\", \"45310000\"], \"location\": \"FIN, FIN, FIN, FIN, FIN, FIN, FIN, FIN, FIN\", \"source_id\": \"676429-2026\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-01T02:00:00Z\"}",
            "content_hash": "fde0061a814ac426c97bbf8a3777ed7086c4693c71dab38e0afb38371701cc04",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "86c05e2e7a455cd4cf45c7ec1a8710d41ebb7907c56260ae45bd8eae2dca065b",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        }
    ]
}