{
    "tender_id": 3060062,
    "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": "2026-10-24T13:58:39Z",
            "content": "{\"cpv\": \"79418000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/735743-2026\", \"buyer\": \"Norske tog AS\", \"title\": \"Norwegia – Usługi doradcze w zakresie zaopatrzenia – Framework agreement for procurement support\", \"source\": \"ted_nor\", \"status\": \"active\", \"cpv_more\": [\"79400000\", \"79410000\", \"79419000\"], \"location\": \"NO081, NOR, NO081, NOR\", \"source_id\": \"735743-2026\", \"deadline_at\": \"2026-11-25T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-23T02:00:00Z\"}",
            "content_hash": "9e08e49a503fabd41ec1a073a58316aaf6230f63a10cb424fdca08085ff8ef14",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "8310cc8dbdb2a3a462cb315de9652d19b98aa9f068da1710cee8c07de339a326",
            "actor": null,
            "seal": {
                "id": 1,
                "digest": "25686b149cfd327de10f8db2827c82e22b0d6a884d716cd11b36328364d6937d",
                "file": "https://tenderiq.pl/rejestr/pieczec-1.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-1.txt.ots",
                "bitcoin_block": 972985
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-24T21:22:25Z",
            "content": "{\"cpv\": \"79418000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/735743-2026\", \"buyer\": \"Norske tog AS\", \"title\": \"Norwegia – Usługi doradcze w zakresie zaopatrzenia – Umowa ramowa na wsparcie w zakresie zamówień\", \"source\": \"ted_nor\", \"status\": \"active\", \"cpv_more\": [\"79400000\", \"79410000\", \"79419000\"], \"location\": \"NO081, NOR, NO081, NOR\", \"source_id\": \"735743-2026\", \"deadline_at\": \"2026-11-25T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-23T02:00:00Z\"}",
            "content_hash": "93b8417f31f12ed39490ca8ae3d3b31a60016eee568d5a3a196bf480827c178f",
            "prev_hash": "8310cc8dbdb2a3a462cb315de9652d19b98aa9f068da1710cee8c07de339a326",
            "hash": "41fb311895c9c8da528e66fed477a6cdc871a897a986ae486dc923976ee4bdb1",
            "actor": null,
            "seal": {
                "id": 2,
                "digest": "6af9ff920846d2ed2fae131d9f0f0d3d71bdf63cfd98a8a18b81289d63fe5e04",
                "file": "https://tenderiq.pl/rejestr/pieczec-2.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-2.txt.ots",
                "bitcoin_block": 973147
            }
        }
    ]
}