{
    "tender_id": 4121320,
    "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": "2026-10-30T10:12:48Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127679\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Dostawa części zamiennych do elektrowni wiatrowych\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127679\", \"deadline_at\": \"2026-11-09T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:19:00Z\"}",
            "content_hash": "50c053c07632890a9f614f157cf4fec9f8288033d475dd303592ae640187d301",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "bc7eb575e6369a26886b43e7088a79a6cd39bec07310a6775dec9bd2b997464a",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T10:45:22Z",
            "content": "{\"cpv\": \"39162100\", \"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127679\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Dostawa części zamiennych do elektrowni wiatrowych\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127679\", \"deadline_at\": \"2026-11-09T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T07:19:00Z\", \"procedure_url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13070971/details\"}",
            "content_hash": "191ef07073e43dbfbed743608ea94296d63b884287f8327a1fa48d32f736ba8d",
            "prev_hash": "bc7eb575e6369a26886b43e7088a79a6cd39bec07310a6775dec9bd2b997464a",
            "hash": "47b8e8ff3486c4291c7e829c09a1d7aed61c506e101cfc15365899245ea63d64",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}