{
    "tender_id": 4990685,
    "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": "2026-11-03T13:08:23Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128541\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA ELEMENTÓW ZŁĄCZNYCH (933883, 934634, 934966)\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128541\", \"deadline_at\": \"2026-11-04T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T10:05:00Z\"}",
            "content_hash": "1c3455e250317c55c50b992d5cffdad6911109ed9f3b8e03ff5cc40d4922e18f",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "50eb4f9f700ed5c78f2b0944998362c9aa444d0bccfccf76e5e1e33e320927b4",
            "actor": null,
            "seal": null
        }
    ]
}