{
    "tender_id": 5048557,
    "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": "2026-11-03T20:49:27Z",
            "content": "{\"cpv\": \"44333000\", \"url\": \"https://zrm.logintrade.net/portal,szczegolyZapytaniaOfertowe,e0c364f7d392cb59729e74d5d88720b1.html\", \"buyer\": \"ZREM-BUD Sp. z o.o.\", \"title\": \"Wałki stalowe - różne średnice\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"śląskie\", \"source_id\": \"zrm-e0c364f7d392cb59729e74d5d88720b1\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T06:34:00Z\"}",
            "content_hash": "284f3c43e087eaf5433b1eead6a20fe570546dbbc3d32ca0f4922e6584ee0cc7",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "04fbcff056b558f4ae6da92e1cb21ea72d51552cdaf34d6173810102b4a03088",
            "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": "2026-11-04T00:38:14Z",
            "content": "{\"cpv\": \"44333000\", \"url\": \"https://zrm.logintrade.net/portal,szczegolyZapytaniaOfertowe,e0c364f7d392cb59729e74d5d88720b1.html\", \"buyer\": \"ZREM-BUD Sp. z o.o\", \"title\": \"Wałki stalowe - różne średnice\", \"region\": \"slaskie\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"zrm-e0c364f7d392cb59729e74d5d88720b1\", \"deadline_at\": \"2026-11-06T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-03T09:49:00Z\"}",
            "content_hash": "57ece282d7d9a20f28ef955ccc293cb9fe8f7170d9b6aae77af495f424ab999d",
            "prev_hash": "04fbcff056b558f4ae6da92e1cb21ea72d51552cdaf34d6173810102b4a03088",
            "hash": "2a7146cf024b0c464990fb3bed99e7a70e26bb12db53c081de7d531dde284063",
            "actor": null,
            "seal": null
        }
    ]
}