{
    "tender_id": 6848853,
    "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": "2026-11-12T13:33:26Z",
            "content": "{\"cpv\": \"50421000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=130084\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA PIROMETRU AB 8859\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"130084\", \"deadline_at\": \"2026-11-17T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T12:22:00Z\"}",
            "content_hash": "290be129cd9abc6c0d89d0d0bb2b25b51553dc82f519777489d8378d959aab11",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "64e639e240276187f1c7d4cc53e7169b99b78700622a2ae5dbbbf5ee22e36665",
            "actor": null,
            "seal": null
        }
    ]
}