{
    "tender_id": 5185497,
    "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": "2026-11-04T11:17:04Z",
            "content": "{\"cpv\": \"35613000\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127945\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Prace montersko – spawalnicze dla TAURON Serwis Sp. z o.o. na terenie TAURON Wytwarzanie S.A. - Oddział Elektrownia Łaziska w Łaziskach Górnych\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127945\", \"deadline_at\": \"2026-11-13T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:30:00Z\"}",
            "content_hash": "87af4593fd3b49b09acfc7d8521c118089cdf9e2e1c4fe8def4934c6a822d9db",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "97f8137c017dd72f1470358e1c5e0ed1777212d011a3ce40c3efe06e34d69be6",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": null
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-04T11:45:33Z",
            "content": "{\"cpv\": \"35613000\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127945\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Prace montersko – spawalnicze dla TAURON Serwis Sp. z o.o. na terenie TAURON Wytwarzanie S.A. - Oddział Elektrownia Łaziska w Łaziskach Górnych\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127945\", \"deadline_at\": \"2026-11-13T13:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-04T09:30:00Z\", \"procedure_url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13071159/details\"}",
            "content_hash": "6aec32acc174aea79f396b85f692e8f8c57fffd7f3c666d5b7098566368bb6b6",
            "prev_hash": "97f8137c017dd72f1470358e1c5e0ed1777212d011a3ce40c3efe06e34d69be6",
            "hash": "80215d20b107266dc593580461fcd1a9ae68329ac328cbaf246b31d102422625",
            "actor": null,
            "seal": {
                "id": 12,
                "digest": "e23c0f5a7e440e937f514487a150dc1be40887f39a941304e364e5e94a4b77fc",
                "file": "https://tenderiq.pl/rejestr/pieczec-12.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-12.txt.ots",
                "bitcoin_block": null
            }
        }
    ]
}