{
    "tender_id": 3693725,
    "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": "2026-10-28T00:55:33Z",
            "content": "{\"cpv\": \"30213200\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/745437-2026\", \"buyer\": \"COPERNICUS PODMIOT LECZNICZY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ\", \"title\": \"Polska – Komputer tablet – „Dostawa tabletów mobilnych do obsługi podpisów cyfrowych dla Copernicus PL Sp. z o.o.”\", \"region\": \"pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL633, POL, PL633, PL633, POL, POL\", \"source_id\": \"745437-2026\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-28T01:00:00Z\"}",
            "content_hash": "2d6a3058fdd63a686e9f1cb6d3d8de00a6856dfa36b40badaec184897b5d6bbe",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5a19306a920f5f7c5f5efbe7305553c6b16f2f9a0a8e9a7d108fd784ad499212",
            "actor": null,
            "seal": {
                "id": 5,
                "digest": "0659ce1e2aadd7f69ed1ff4603a4290c070eaa14bbeed28a3c9a7cc2127acae9",
                "file": "https://tenderiq.pl/rejestr/pieczec-5.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-5.txt.ots",
                "bitcoin_block": 973609
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-28T23:31:46Z",
            "content": "{\"cpv\": \"30213200\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/745437-2026\", \"buyer\": \"COPERNICUS PODMIOT LECZNICZY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ\", \"title\": \"Polska – Komputer tablet – „Dostawa tabletów mobilnych do obsługi podpisów cyfrowych dla Copernicus PL Sp. z o.o.”\", \"region\": \"pomorskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL633, POL, PL633, PL633, POL, POL\", \"source_id\": \"745437-2026\", \"deadline_at\": \"2026-11-12T09:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-28T01:00:00Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1379227\"}",
            "content_hash": "bae481723ef8ae9261c35c8f0427bec97ac871da34c8f01be7bbbad162ff2576",
            "prev_hash": "5a19306a920f5f7c5f5efbe7305553c6b16f2f9a0a8e9a7d108fd784ad499212",
            "hash": "cf2baec769008a9bc5a416827f22282ba84893e53c2f9f91540ac9f44b216727",
            "actor": null,
            "seal": {
                "id": 6,
                "digest": "e733200881d78faed3c108fa90cea332062fa40f3af23fcfd3f901e311d96e33",
                "file": "https://tenderiq.pl/rejestr/pieczec-6.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-6.txt.ots",
                "bitcoin_block": 973754
            }
        }
    ]
}