{
    "tender_id": 6848897,
    "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\": \"50760000\", \"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=130016\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA - WIERTŁA (W TYM BOSCH)\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"130016\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T10:25:00Z\"}",
            "content_hash": "a303dbcc30492efd373ca2953f265e1a498cde6227923a0aeac014c4b8882f47",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
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}