{
    "tender_id": 3544142,
    "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": "2026-10-27T09:50:10Z",
            "content": "{\"cpv\": \"32342400\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854972/dostawa-systemu-cyfrowej-transmisji-bezprzewodowej-sygnalow-audio-wraz-z-osprzetem-\", \"buyer\": \"TEATR MUZYCZNY ROMA\", \"title\": \"Dostawa systemu cyfrowej transmisji bezprzewodowej sygnałów audio wraz z osprzętem.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854972\", \"deadline_at\": \"2026-12-01T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T09:50:11Z\"}",
            "content_hash": "9aec1f38028cb261639e3560c72430b903ab06cb9c7b7f99e369ab9f8dc74508",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "40dd2f0beb6be0ce944eb74b1483029aacf049e49322ddc4b8c2402e319baeee",
            "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
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-27T15:32:24Z",
            "content": "{\"cpv\": \"32342400\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3854972/dostawa-systemu-cyfrowej-transmisji-bezprzewodowej-sygnalow-audio-wraz-z-osprzetem-\", \"buyer\": \"TEATR MUZYCZNY ROMA\", \"title\": \"Dostawa systemu cyfrowej transmisji bezprzewodowej sygnałów audio wraz z osprzętem.\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3854972\", \"deadline_at\": \"2026-12-01T12:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-27T09:50:11Z\", \"procedure_url\": \"https://ted.europa.eu/pl/notice/-/detail/744330-2026\"}",
            "content_hash": "0fc44be881339a573e1fa772cef513ea00e1edd9d27c6cc5996ca1ad0fd82b08",
            "prev_hash": "40dd2f0beb6be0ce944eb74b1483029aacf049e49322ddc4b8c2402e319baeee",
            "hash": "67cb19a9e480d49a211dcb9a5df8ae83b6d436b9fa1eb582f9e59da561e9716e",
            "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
            }
        }
    ]
}