{
    "tender_id": 4965276,
    "check": {
        "ok": true,
        "versions": 2,
        "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": "2026-11-03T09:01:19Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128488\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA OSŁONA HCE.04.300 SIŁ. WYCH LKP-0900B\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128488\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T08:30:00Z\"}",
            "content_hash": "180200841eefe06778124e4b098a33139a6424217b0c8577ac904aca748cc045",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5d3f73cdb0de640db4790b1dd23775b0f6f918007425a91b2274ee3181e788b0",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T14:45:45Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128488\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA OSŁONA HCE.04.300 SIŁ. WYCH LKP-0900B\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128488\", \"deadline_at\": \"2026-11-04T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T08:30:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128488\"}",
            "content_hash": "d2bf3a8c0c0fb5ca8e78285973c511b3bbb735acb28d7a747ad74866bd7aca11",
            "prev_hash": "5d3f73cdb0de640db4790b1dd23775b0f6f918007425a91b2274ee3181e788b0",
            "hash": "52e5fca7eb76c8de726fe96d52df884a4c8f775199247036ed74f5cad6f4241b",
            "actor": null,
            "seal": null
        }
    ]
}