{
    "tender_id": 6288791,
    "check": {
        "ok": true,
        "versions": 3,
        "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": "2026-11-10T06:49:05Z",
            "content": "{\"cpv\": \"34144210\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885393/waz-strazacki-fi-52mm-20mb-\", \"buyer\": \"Wałbrzyskie Zakłady Koksownicze „Victoria” S.A.\", \"title\": \"Wąż strażacki fi 52mm (20mb)\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3885393\", \"deadline_at\": \"2026-11-30T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T06:49:06Z\"}",
            "content_hash": "dbf3954c3df12affef36b6d09165263dbea5a8b51847c61d856b05d01091a697",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "71e502125a3af5db4c3bd7342d60df91c2fb6dba9fba87bab34814064cde83ca",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-10T07:46:30Z",
            "content": "{\"cpv\": \"34144210\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885393/waz-strazacki-fi-52mm-20mb-\", \"buyer\": \"Wałbrzyskie Zakłady Koksownicze „Victoria” S.A.\", \"title\": \"Wąż strażacki fi 52mm (20mb)\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3885393\", \"deadline_at\": \"2026-11-30T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T06:49:06Z\", \"procedure_url\": \"https://grupawzkvictoria.logintrade.net/portal,szczegolyZapytaniaOfertowe,264b2274081d2f6389c1f4911613ebb7.html\"}",
            "content_hash": "c94107b107627ac5a057db0e9edd82b78050ad2a177663da376eb53fddd922ec",
            "prev_hash": "71e502125a3af5db4c3bd7342d60df91c2fb6dba9fba87bab34814064cde83ca",
            "hash": "364d8904664defbcec474082ef0e65b3d2327a532680226f333e0ef16a552f94",
            "actor": null,
            "seal": null
        },
        {
            "version": 3,
            "recorded_at": "2026-11-10T15:38:52Z",
            "content": "{\"cpv\": \"34144210\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885393/waz-strazacki-fi-52mm-20mb-\", \"buyer\": \"Wałbrzyskie Zakłady Koksownicze „Victoria” S.A.\", \"title\": \"Wąż strażacki fi 52mm (20mb)\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3885393\", \"deadline_at\": \"2026-11-30T06:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-10T06:49:06Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3885393/waz-strazacki-fi-52mm-20mb-\"}",
            "content_hash": "3b3b3ab91f6eeaa53f5fa0556dd0394548a9f2676e9bd23ea1e17f23de8613bb",
            "prev_hash": "364d8904664defbcec474082ef0e65b3d2327a532680226f333e0ef16a552f94",
            "hash": "ddcba66569ae0284b9e8c7b599bcf27d671296365f3b047710c15b020f5df7cf",
            "actor": null,
            "seal": null
        }
    ]
}