{
    "tender_id": 6816776,
    "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=129983\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Dostawa - WENTYLATOR MASTER DF30P\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"129983\", \"deadline_at\": \"2026-11-13T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-12T09:06:00Z\"}",
            "content_hash": "8d3b72ddfe286194508f9bb6daf1f86a70133a2e6f3b690a36380c5dd17e25ae",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "65918d5230014aeec1cb252ecdc955e9a45300394e74e164a871dd8f63455e22",
            "actor": null,
            "seal": null
        }
    ]
}