{
    "tender_id": 3361683,
    "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": "2026-10-26T09:40:07Z",
            "content": "{\"cpv\": \"33141200\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739264-2026\", \"buyer\": \"Fakultní nemocnice Motol a Homolka\", \"title\": \"Czechy – Cewniki – Intervenční kardiologie VIII\", \"source\": \"ted_cze\", \"status\": \"active\", \"cpv_more\": [\"33141240\"], \"location\": \"CZ010, CZE, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE\", \"source_id\": \"739264-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "6f016327ea8ea8231d290565d7d08c096cf2c5c2a547fd87f035b3c490a07f2d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "cd5fc04ab1280c459f368c3d6bbd61822d49ee0921c94e0fa9dbe9a389efac7f",
            "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": "2026-10-26T23:17:15Z",
            "content": "{\"cpv\": \"33141200\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/739264-2026\", \"buyer\": \"Fakultní nemocnice Motol a Homolka\", \"title\": \"Czechy – Cewniki – Kardiologia interwencyjna VIII\", \"source\": \"ted_cze\", \"status\": \"active\", \"cpv_more\": [\"33141240\"], \"location\": \"CZ010, CZE, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZ010, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE, CZE\", \"source_id\": \"739264-2026\", \"deadline_at\": \"2026-11-30T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-26T01:00:00Z\"}",
            "content_hash": "491772c5f153000ff343e9eddab0e76edabbf1e544b6f8a0289245305b9ecc10",
            "prev_hash": "cd5fc04ab1280c459f368c3d6bbd61822d49ee0921c94e0fa9dbe9a389efac7f",
            "hash": "05bee76aeb3a93b0fcb00b67d6918bdab912bea7b94a44e68ff0512d70e86aa9",
            "actor": null,
            "seal": {
                "id": 4,
                "digest": "1a6d1144791ca08d9453bd1c8d38a6c251eb74cb6d377626fde25c11a52ccc7a",
                "file": "https://tenderiq.pl/rejestr/pieczec-4.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-4.txt.ots",
                "bitcoin_block": 973472
            }
        }
    ]
}