{
    "tender_id": 5172269,
    "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": "2026-11-04T09:54:39Z",
            "content": "{\"cpv\": \"48820000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3872320/zakup-macierzy\", \"buyer\": \"Narodowy Fundusz Zdrowia\", \"title\": \"Zakup macierzy\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3872320\", \"deadline_at\": \"2026-11-10T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:54:39Z\"}",
            "content_hash": "426626fd1235c4e12bf31e30c0ba2cf2a830d4e79caffde930f402a9634e4bf3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "b0c2edd0e5f3525521807434dede49bc1f156c0279e7442dfd3ccbefa1349142",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": 974604
            }
        }
    ]
}