{
    "tender_id": 5002400,
    "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": "2026-11-03T14:36:30Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869907/budowa-systemu-klimatyzacji-w-budynkach-jednostek-pomocniczych-\", \"buyer\": \"Miasto Zduńska Wola\", \"title\": \"Budowa systemu klimatyzacji w budynkach jednostek pomocniczych.\", \"region\": \"lodzkie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869907\", \"deadline_at\": \"2026-11-12T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:32Z\"}",
            "content_hash": "830de2557ccb1f83a001d7b808da4a7af83d168836193db59c77bb4d4d9e292d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "673786ba74cde9dab639e16ddacf3a70988dfd1c6635bb55d8805cb9399abf3a",
            "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": "2026-11-03T14:45:45Z",
            "content": "{\"cpv\": \"45000000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3869907/budowa-systemu-klimatyzacji-w-budynkach-jednostek-pomocniczych-\", \"buyer\": \"Miasto Zduńska Wola\", \"title\": \"Budowa systemu klimatyzacji w budynkach jednostek pomocniczych.\", \"region\": \"lodzkie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3869907\", \"deadline_at\": \"2026-11-12T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T14:36:32Z\", \"procedure_url\": \"https://zdunskawola.ezamawiajacy.pl/pn/zdunskawola/demand/notice/public/241095/details\"}",
            "content_hash": "ce767490b0231ef1dce1b7e5b94653c6f8b6a5aac378de1a4348427b00ee32f2",
            "prev_hash": "673786ba74cde9dab639e16ddacf3a70988dfd1c6635bb55d8805cb9399abf3a",
            "hash": "31891fafea1be1fd3cd20b9e76889f04eed5168c2b458cea058bfbc96fd27d57",
            "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
            }
        }
    ]
}