{
    "tender_id": 4713217,
    "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": "2026-11-02T05:56:38Z",
            "content": "{\"cpv\": \"33190000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/756460-2026\", \"buyer\": \"5 Wojskowy Szpital Kliniczny z Poliklinika SP ZOZ w Krakowie\", \"title\": \"Polska – Różne urządzenia i produkty medyczne – Dostawa mikroskopu operacyjnego z wyposażeniem - 1 kpl\", \"region\": \"malopolskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"38510000\"], \"location\": \"PL213, POL, PL213, POL\", \"source_id\": \"756460-2026\", \"deadline_at\": \"2026-11-12T07:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\"}",
            "content_hash": "aa2c1f9bf6fa336db28e405e2ae24b1d5a55a00c7e33672b7be1f2b19c49bdc1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "419778a68e94b652e58d45dacb932ff396baee7223f176ad88fd484e322935eb",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-11-02T06:45:21Z",
            "content": "{\"cpv\": \"33190000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/756460-2026\", \"buyer\": \"5 Wojskowy Szpital Kliniczny z Poliklinika SP ZOZ w Krakowie\", \"title\": \"Polska – Różne urządzenia i produkty medyczne – Dostawa mikroskopu operacyjnego z wyposażeniem - 1 kpl\", \"region\": \"malopolskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [\"38510000\"], \"location\": \"PL213, POL, PL213, POL\", \"source_id\": \"756460-2026\", \"deadline_at\": \"2026-11-12T07:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-02T01:00:00Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/751296-2026\"}",
            "content_hash": "21e224c015f5d1ab298f1f11c138a54d11eb8f3c307728a1160ab580d38739ee",
            "prev_hash": "419778a68e94b652e58d45dacb932ff396baee7223f176ad88fd484e322935eb",
            "hash": "e5e9f42f7e251d94024d221456d2b2a2738a32a3fc571a67610fa54f1f12c200",
            "actor": null,
            "seal": {
                "id": 10,
                "digest": "297505af1d9d820e84b46bcdd40ae11b1ffc912134eeb69a764090ac7f9838b4",
                "file": "https://tenderiq.pl/rejestr/pieczec-10.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-10.txt.ots",
                "bitcoin_block": 974314
            }
        }
    ]
}