{
    "tender_id": 3375218,
    "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": "2026-10-26T10:05:20Z",
            "content": "{\"cpv\": \"50343000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/738683-2026\", \"buyer\": \"Métropole de Lyon\", \"title\": \"Francja – Usługi w zakresie napraw i konserwacji urządzeń wideo – Maintenance du système de vidéoprotection et des caméras de la Métropole de Lyon\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [\"50324100\"], \"location\": \"FRK26, FRA, FRK26, FRA\", \"source_id\": \"738683-2026\", \"deadline_at\": \"2026-11-26T16:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "d0f5aadff54803aac5606c1ee095ccb33a39ba2873de5323cc32a4a269d03a82",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "3c9b2a71a55f2e2af0ef17476e0c61bfbc50c80d3f2f4d26ce94710563d410c9",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-26T17:36:50Z",
            "content": "{\"cpv\": \"50343000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/738683-2026\", \"buyer\": \"Métropole de Lyon\", \"title\": \"Francja – Usługi w zakresie napraw i konserwacji urządzeń wideo – Utrzymanie systemu monitoringu wizyjnego i kamer w Metropolii Lyon\", \"source\": \"ted_fra\", \"status\": \"active\", \"cpv_more\": [\"50324100\"], \"location\": \"FRK26, FRA, FRK26, FRA\", \"source_id\": \"738683-2026\", \"deadline_at\": \"2026-11-26T16:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "8fe2eaa345d53d705d41480d5438b6f5e1ae0adf3416f3e8c352023aa33dec73",
            "prev_hash": "3c9b2a71a55f2e2af0ef17476e0c61bfbc50c80d3f2f4d26ce94710563d410c9",
            "hash": "5c278e175f2b3b59a004ad2cc07de912538fbcc9de677beeb604ba6632118301",
            "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
            }
        }
    ]
}