{
    "tender_id": 4095809,
    "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": "2026-10-30T06:14:50Z",
            "content": "{\"url\": \"https://www.przetargi.egospodarka.pl/20050912901_Dostawa-i-montaz-mebli-dla-jednostek-Politechniki-Lubelskiej_2026_2.html\", \"buyer\": \"POLITECHNIKA LUBELSKA\", \"title\": \"Dostawa i montaż mebli dla jednostek Politechniki Lubelskiej\", \"region\": \"lubelskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Lublin\", \"source_id\": \"20050912901\", \"deadline_at\": \"2026-11-06T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\"}",
            "content_hash": "f8e86569914751e065c7dd9bfa9b0b19da8189538c96b7b89200da7e9e3bd92e",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f118e7ce97b1fd02e27b21f650870cda37290d2ab6ea5ffdce4e678691f42c34",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T06:45:41Z",
            "content": "{\"url\": \"https://www.przetargi.egospodarka.pl/20050912901_Dostawa-i-montaz-mebli-dla-jednostek-Politechniki-Lubelskiej_2026_2.html\", \"buyer\": \"POLITECHNIKA LUBELSKA\", \"title\": \"Dostawa i montaż mebli dla jednostek Politechniki Lubelskiej\", \"region\": \"lubelskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Lublin\", \"source_id\": \"20050912901\", \"deadline_at\": \"2026-11-06T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T00:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1392259\"}",
            "content_hash": "5a9061097fc0b7b7b19f97f227b4b407bbc07de4453a26fcb01e6a09daed2aa1",
            "prev_hash": "f118e7ce97b1fd02e27b21f650870cda37290d2ab6ea5ffdce4e678691f42c34",
            "hash": "b58862dcdd55a53b93a4ca1a388b4e7e141f8a1ad6d2e3ec41abbb209e7cd093",
            "actor": null,
            "seal": null
        }
    ]
}