{
    "tender_id": 3937459,
    "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": "2026-10-29T12:55:08Z",
            "content": "{\"cpv\": \"37535200\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=127876\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Dostawa liny fi 5\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"127876\", \"deadline_at\": \"2026-10-30T13:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T12:27:00Z\"}",
            "content_hash": "0a3edfbcf0d7573c4fd0ccc8ebf994f1004a9a49a423c9cf516aa4cd05641f56",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "e5f10cc03eea015310799033f846214a9c2644db4cc1f67c7f3eab07d0f55f2c",
            "actor": null,
            "seal": null
        }
    ]
}