{
    "tender_id": 6995142,
    "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": "2026-11-13T02:25:58Z",
            "content": "{\"cpv\": \"45316110\", \"url\": \"https://www.przetargi.egospodarka.pl/20053616501_Budowa-oswietlenia-drogowego_2026_2.html\", \"buyer\": \"Gmina Biała Podlaska\", \"title\": \"Budowa oświetlenia drogowego\", \"region\": \"lubelskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Biała Podlaska\", \"source_id\": \"20053616501\", \"deadline_at\": \"2026-11-27T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-12T00:00:00Z\"}",
            "content_hash": "ca7b9bfaabe5b1f25b9023653463f2f19ebcc1221ba757b3dbead7ffa5179eb0",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "f81cffa6071d572c8d8e4a4d3b35332b81443a31ebe5852a22bb75259c845507",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-13T02:46:03Z",
            "content": "{\"cpv\": \"45316110\", \"url\": \"https://www.przetargi.egospodarka.pl/20053616501_Budowa-oswietlenia-drogowego_2026_2.html\", \"buyer\": \"Gmina Biała Podlaska\", \"title\": \"Budowa oświetlenia drogowego\", \"region\": \"lubelskie\", \"source\": \"egospodarka_przetargi\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Biała Podlaska\", \"source_id\": \"20053616501\", \"deadline_at\": \"2026-11-27T22:59:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-11-12T00:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3891730/budowa-oswietlenia-drogowego\"}",
            "content_hash": "a08f6cec014361f531f0d1719f40a010fbc29a10f474728740c9bf51b1ad0233",
            "prev_hash": "f81cffa6071d572c8d8e4a4d3b35332b81443a31ebe5852a22bb75259c845507",
            "hash": "670e425acf0f12c80045c9b8406f91fa8576bdd08bc684fd1013c51c154d509a",
            "actor": null,
            "seal": null
        }
    ]
}