{
    "tender_id": 4265702,
    "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": "2026-10-31T01:48:36Z",
            "content": "{\"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1669826,e0e6e4abdf3a4aa4557333e1f0cc2623.html\", \"buyer\": \"ENEA Wytwarzanie sp. z o.o\", \"title\": \"ZAKUP I DOSTAWA ARMATURY PRZEMYSŁOWEJ NLZ-MM.2110.161.2026\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"1669826-e0e6e4abdf3a4aa4557333e1f0cc2623\", \"deadline_at\": \"2026-11-03T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:25:00Z\"}",
            "content_hash": "e02ec75b50af787fbfecb8e750f55790366dcd4e501601ac4d7a73da6fef3dd9",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "2676b92a504f3aa3d33ee1bbd0ec1ed504f6df6580533a6d1073bc0617f77548",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T02:45:20Z",
            "content": "{\"url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1669826,e0e6e4abdf3a4aa4557333e1f0cc2623.html\", \"buyer\": \"ENEA Wytwarzanie sp. z o.o\", \"title\": \"ZAKUP I DOSTAWA ARMATURY PRZEMYSŁOWEJ NLZ-MM.2110.161.2026\", \"source\": \"logintrade_central\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"1669826-e0e6e4abdf3a4aa4557333e1f0cc2623\", \"deadline_at\": \"2026-11-03T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T12:25:00Z\", \"procedure_url\": \"https://enea-wytwarzanie.logintrade.net/zapytania_email,1669826,e0e6e4abdf3a4aa4557333e1f0cc2623.html\"}",
            "content_hash": "69f9196b9a796993d7172586067486857a32280c2654c94728cffd9a7e7c51c1",
            "prev_hash": "2676b92a504f3aa3d33ee1bbd0ec1ed504f6df6580533a6d1073bc0617f77548",
            "hash": "47c4b2a418696c9b279ab2b84d874157fc2ede6577d4bbe01c8ed376b62b08df",
            "actor": null,
            "seal": {
                "id": 8,
                "digest": "b9dfb65eef062a8f7633cee107df2b59fcca72ec5f093c9ceec0396cf65cd90d",
                "file": "https://tenderiq.pl/rejestr/pieczec-8.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-8.txt.ots",
                "bitcoin_block": 974039
            }
        }
    ]
}