{
    "tender_id": 5185199,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-04T11:16:58Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128772\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Dostawa - WENTYLATOR HCBT/4-355/HA EX ATEX OSIOWY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128772\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T08:28:00Z\"}",
            "content_hash": "f419b3623755ea5469a8aa55b11ec2c9f5ffaeb7861a60cd033e7ea4328149f1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "16cfb956468359f66ae0cf8bc16742e4c7172bde001e3e3c88efe80b7ef5c0a6",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T11:45:34Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128772\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Dostawa - WENTYLATOR HCBT/4-355/HA EX ATEX OSIOWY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128772\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T08:28:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128772\"}",
            "content_hash": "a93c67c8c851069b83d41e9a113968df8f19394a84708cf8cf82e9f09fa36734",
            "prev_hash": "16cfb956468359f66ae0cf8bc16742e4c7172bde001e3e3c88efe80b7ef5c0a6",
            "hash": "76670c5fbe9c96654925c09128acd8981f06ff921e60ba6cb7baea851c37983a",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-04T22:45:21Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128772\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"Dostawa - WENTYLATOR HCBT/4-355/HA EX ATEX OSIOWY\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128772\", \"deadline_at\": \"2026-11-05T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T08:28:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3872276/dostawa-wentylator-hcbt-4-355-ha-ex-atex-osiowy\"}",
            "content_hash": "1d1cebcc0d5a9a09b56b370042c5b53a92fd0e23f2bb257aa79fd08c2d131edf",
            "prev_hash": "76670c5fbe9c96654925c09128acd8981f06ff921e60ba6cb7baea851c37983a",
            "hash": "36aed9259c5e5eaa9635f92ff24e48dc6c68b2d3eb8ca2b0822e9f39d649b0c5",
            "actor": null,
            "seal": null
        }
    ]
}