{
    "tender_id": 4883566,
    "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": "2026-11-03T01:53:43Z",
            "content": "{\"cpv\": \"71240000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867021/zzk-nz-241-3400-128-26-wykonanie-dokumentacji-projektowo-kosztorysowej-na-zmiane-systemu-ogrzewania-na-elektryczne-w-lokalach\", \"buyer\": \"Zarząd Zasobu Komunalnego\", \"title\": \"ZZK - NZ/241/3400/128/26 Wykonanie dokumentacji projektowo-kosztorysowej na zmianę systemu ogrzewania na elektryczne w lokalach gminnych.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3867021\", \"deadline_at\": \"2026-12-03T10:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T01:53:44Z\"}",
            "content_hash": "53f36fbf53e163a2436a45b5f87699d85c51d7691a06626547331ff689256b68",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "31bc431edb4f27b962a60b51dce2ab7aac34f1cc4c42ec39e92c4c49967e6c40",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T02:45:36Z",
            "content": "{\"cpv\": \"71240000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3867021/zzk-nz-241-3400-128-26-wykonanie-dokumentacji-projektowo-kosztorysowej-na-zmiane-systemu-ogrzewania-na-elektryczne-w-lokalach\", \"buyer\": \"Zarząd Zasobu Komunalnego\", \"title\": \"ZZK - NZ/241/3400/128/26 Wykonanie dokumentacji projektowo-kosztorysowej na zmianę systemu ogrzewania na elektryczne w lokalach gminnych.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3867021\", \"deadline_at\": \"2026-12-03T10:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T01:53:44Z\", \"procedure_url\": \"https://zzk-wroc.logintrade.net/zapytania_email,244102,296c11e1f67c66797ae8b4a8fc431757.html\"}",
            "content_hash": "99bce76c3e4795e76bcd1a78f7fd56123563461135d9a6fb1e83d399a4eb43bd",
            "prev_hash": "31bc431edb4f27b962a60b51dce2ab7aac34f1cc4c42ec39e92c4c49967e6c40",
            "hash": "bb464e8486cd09f37aefd0ed399c05a01afb63195ba5917e6865b41051056bcb",
            "actor": null,
            "seal": {
                "id": 11,
                "digest": "e9a17a70070a65f95be452321715a138cbb650567f41e2bae0faa2ffd562bbbd",
                "file": "https://tenderiq.pl/rejestr/pieczec-11.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-11.txt.ots",
                "bitcoin_block": 974456
            }
        }
    ]
}