{
    "tender_id": 5215069,
    "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": "2026-11-04T15:21:51Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128836\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: KLIMATYZATOR HIT18-KD10DC EARL HITEXA\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128836\", \"deadline_at\": \"2026-11-06T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T11:19:00Z\"}",
            "content_hash": "ab00f830c7778a5fa1c09f2303eeaa1508bb5d80196e55b9ce0c69fefb4f8e0a",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "95c9c8ed2142b0829f56f0335f8aa2579d15ff7fcdefbbe2a723995f5b5f12e9",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T16:45:44Z",
            "content": "{\"url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128836\", \"buyer\": \"KGHM Polska Miedź S.A. (Mercus Logistyka)\", \"title\": \"DOSTAWA: KLIMATYZATOR HIT18-KD10DC EARL HITEXA\", \"region\": \"dolnoslaskie\", \"source\": \"kghm_erfx\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polkowice\", \"source_id\": \"128836\", \"deadline_at\": \"2026-11-06T07:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T11:19:00Z\", \"procedure_url\": \"https://oferty.kghm.com/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=128836\"}",
            "content_hash": "94729a378c477dbb1358f7f41102627b1fb6b995681ada95d6790416627067d0",
            "prev_hash": "95c9c8ed2142b0829f56f0335f8aa2579d15ff7fcdefbbe2a723995f5b5f12e9",
            "hash": "8de0af3d258413b8d670554616eb27124ea5bcb95fa25ce5228b299df482584c",
            "actor": null,
            "seal": null
        }
    ]
}