{
    "tender_id": 6816812,
    "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": "2026-11-12T09:29:04Z",
            "content": "{\"cpv\": \"50000000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=129934\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA ZABEZPIECZENIA ABB\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129934\", \"deadline_at\": \"2026-11-13T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T07:08:00Z\"}",
            "content_hash": "cdd6ce1be924a61240a4b61e9f62fb902487b4cae73221cdbb8a77ba225f9198",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e39ba48f8c063d41d26d4d4f8fdc2722653fc0c3570b61ab52d6b7089073cf75",
            "actor": null,
            "seal": null
        }
    ]
}