{
    "tender_id": 3375274,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-10-26T10:05:23Z",
            "content": "{\"cpv\": \"90900000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739495-2026\", \"buyer\": \"COMMUNAUTE D'AGGLOMERATION VALENCIENNES METROPOLE\", \"title\": \"Francja – Usługi w zakresie sprzątania i odkażania – PRZYGOTOWYWANIE POMIESZCZEŃ DO WYSTĄPIENIA NA STADIONIE HAINAUT\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [\"90910000\", \"90919200\"], \"location\": \"FRE11, FRA, FRE11, FRA\", \"source_id\": \"739495-2026\", \"deadline_at\": \"2026-11-19T10:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "1bc857bf5034a2ba74b867b26ef8f77bebdf144e64f15d5022fc5774a8901726",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "47961902e69598a25ff1377d93f8b70c077aa35f9a230054b0b5df17035225d9",
            "actor": null,
            "seal": {
                "id": 3,
                "digest": "1119fd2ade60dc88ac794742ff488b9486e8a488f9d77cc6d6a9444474dc1c77",
                "file": "https://tenderiq.pl/rejestr/pieczec-3.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-3.txt.ots",
                "bitcoin_block": 973309
            }
        }
    ]
}