{
    "tender_id": 4322648,
    "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": "2026-10-31T10:16:30Z",
            "content": "{\"cpv\": \"60200000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864897/zakup-5-sztuk-pomp-oraz-4-sztuk-zespolow-pompowych-sredniocisnieniowych-dla-kwk-murcki-staszic\", \"buyer\": \"Polska Grupa Górnicza S.A.\", \"title\": \"Zakup 5 sztuk pomp oraz 4 sztuk zespołów pompowych średniociśnieniowych dla KWK Murcki - Staszic\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864897\", \"deadline_at\": \"2026-11-16T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:30Z\"}",
            "content_hash": "a01cc9f7169be28ac7b8bc5b1ebf5e5d0c60cb841a719611d3ad4b87596ca5fe",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "aa15a5274a08f3abaa9158acc0bb3fe3da5fed01e1021caa100f3453fafaf5ba",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}