{
    "tender_id": 4779648,
    "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": "2026-11-02T13:56:38Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128209\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA MODUŁ 6ES7131-4BF00-0AA0 WEJŚĆ CYFROWYCH\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128209\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T10:00:00Z\"}",
            "content_hash": "85771f439e795fce6629dc3968ac9c7b3b245e04353eeee541650ece6720f734",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f6137598a247653ca538beccdbd87ffc97f41d4196aef691019a3bbed373d7e7",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T14:45:33Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128209\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA MODUŁ 6ES7131-4BF00-0AA0 WEJŚĆ CYFROWYCH\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128209\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-02T10:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3866121/dostawa-modu-6es7131-4bf00-0aa0-wejsc-cyfrowych\"}",
            "content_hash": "080c73e51d68b10f78a3a2a7762da6f96b170d34992c5c12f7284b0da4a3e6ba",
            "prev_hash": "f6137598a247653ca538beccdbd87ffc97f41d4196aef691019a3bbed373d7e7",
            "hash": "6141678ceb2cbc69fe5f10ad6275fee649aad53464c60524984ae839df2b23b4",
            "actor": null,
            "seal": null
        }
    ]
}