{
    "tender_id": 4100042,
    "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": "2026-10-30T06:31:20Z",
            "content": "{\"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127673\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Dostawa rur kotłowych\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127673\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T06:08:00Z\"}",
            "content_hash": "2e6b5f934ce7293e08cfced398e4f6378c736c35b099b92bdb361526ea72e303",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5a6c7fbf7f008eb2ad4492f080a8393f30996c877f7587b419fc93ee92dd7a7c",
            "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": "2026-10-30T06:45:40Z",
            "content": "{\"url\": \"https://swoz.tauron.pl/platform/application?MP_module=outErfx&MP_action=supplierStatus&iRfxRound=13127673\", \"buyer\": \"TAURON Polska Energia S.A.\", \"title\": \"Dostawa rur kotłowych\", \"source\": \"tauron_swoz_erfx\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"13127673\", \"deadline_at\": \"2026-11-06T10:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T06:08:00Z\", \"procedure_url\": \"https://swoz.tauron.pl/platform/demand/notice/public/13070949/details\"}",
            "content_hash": "95b48164a2042546f56ef9a214f844e4b03097ef21877279580e9c1e8132f5d9",
            "prev_hash": "5a6c7fbf7f008eb2ad4492f080a8393f30996c877f7587b419fc93ee92dd7a7c",
            "hash": "c927fd1d8ee257dc36bfbd38731b7b40c8f072761bb13c0666dec2283543cc4b",
            "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
            }
        }
    ]
}