{
    "tender_id": 3858450,
    "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": "2026-10-29T02:06:32Z",
            "content": "{\"cpv\": \"32420000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749375-2026\", \"buyer\": \"KOMENDA GŁÓWNA POLICJI\", \"title\": \"Polska – Urządzenia sieciowe – Zakup urządzeń umożliwiających uruchomienie modeli sztucznej inteligencji\", \"region\": \"mazowieckie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL911, POL, PL911, POL\", \"buyer_nip\": \"5213172762\", \"source_id\": \"749375-2026\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\"}",
            "content_hash": "e1654f2063df4419ac3e939b50ed6dde529dd28f0b394b948493b50b96716b48",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "08e00cc30394b1e70382e3052871bd585243369256f3b40d8934b85e283e9647",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-29T15:30:08Z",
            "content": "{\"cpv\": \"32420000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/749375-2026\", \"buyer\": \"KOMENDA GŁÓWNA POLICJI\", \"title\": \"Polska – Urządzenia sieciowe – Zakup urządzeń umożliwiających uruchomienie modeli sztucznej inteligencji\", \"region\": \"mazowieckie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL911, POL, PL911, POL\", \"buyer_nip\": \"5213172762\", \"source_id\": \"749375-2026\", \"deadline_at\": \"2026-11-06T08:30:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-10-29T01:00:00Z\", \"procedure_url\": \"https://kgpolicja.ezamawiajacy.pl/pn/kgpolicja/demand/notice/public/237349/details\"}",
            "content_hash": "5b882c22795224a01338a16c089cf1274b2b4eeb1a416a1fe099066ada0af8f7",
            "prev_hash": "08e00cc30394b1e70382e3052871bd585243369256f3b40d8934b85e283e9647",
            "hash": "d42378f542e735610af167732716feab77858ad6c41950d16c711b7118954e9f",
            "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
            }
        }
    ]
}