{
    "tender_id": 5725341,
    "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": "2026-11-07T02:15:57Z",
            "content": "{\"cpv\": \"90610000\", \"url\": \"https://kwbkonin.logintrade.net/zapytania_email,1670569,bc75961825f51a40622705ce247139ad.html\", \"buyer\": \"PAK Kopalnia Węgla Brunatnego Konin S.A\", \"title\": \"LUZK 42 - Karcher części\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"1670569-bc75961825f51a40622705ce247139ad\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T14:34:00Z\"}",
            "content_hash": "8a5438309ab7424a8d61d79e096ebe6f4887df5df09179a081f108371540cf73",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cbab41c5d03fa63f0a3c9bd76b9103f42b6ce07a30d59808c5c3c293b385118d",
            "actor": null,
            "seal": {
                "id": 15,
                "digest": "f6c36eda82d4dc4a4cabf73097f0dd62e17d55fa4f2594c5f095c0de4855ff5a",
                "file": "https://tenderiq.pl/rejestr/pieczec-15.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-15.txt.ots",
                "bitcoin_block": 975002
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-07T02:45:42Z",
            "content": "{\"cpv\": \"90610000\", \"url\": \"https://kwbkonin.logintrade.net/zapytania_email,1670569,bc75961825f51a40622705ce247139ad.html\", \"buyer\": \"PAK Kopalnia Węgla Brunatnego Konin S.A\", \"title\": \"LUZK 42 - Karcher części\", \"region\": \"wielkopolskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"1670569-bc75961825f51a40622705ce247139ad\", \"deadline_at\": \"2026-11-13T09:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-06T14:34:00Z\", \"procedure_url\": \"https://kwbkonin.logintrade.net/zapytania_email,1670569,bc75961825f51a40622705ce247139ad.html\"}",
            "content_hash": "f9311c0e8fda5210287bb78bd611e878c6c219f2d616b6e5205c8ef3ec1dd515",
            "prev_hash": "cbab41c5d03fa63f0a3c9bd76b9103f42b6ce07a30d59808c5c3c293b385118d",
            "hash": "9584a40e7dec4a1fbf4452f61face015d615279aa8ac0e8ddfb9f69bfc425d1f",
            "actor": null,
            "seal": {
                "id": 15,
                "digest": "f6c36eda82d4dc4a4cabf73097f0dd62e17d55fa4f2594c5f095c0de4855ff5a",
                "file": "https://tenderiq.pl/rejestr/pieczec-15.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-15.txt.ots",
                "bitcoin_block": 975002
            }
        }
    ]
}