{
    "tender_id": 3942700,
    "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": "2026-10-29T13:50:31Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1400691\", \"buyer\": \"24WOG\", \"title\": \"Dostawa sprzętu drukującego\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400691\", \"deadline_at\": \"2026-11-04T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:32:00Z\", \"notice_number\": \"1400691\"}",
            "content_hash": "bb9a3ce089ceb975e507fb98b808bbc828e7e418d195c33e1bc4080f3f652dc3",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "218c5846a41fb45262ae828555c083fdea294d520eac98a256e73a5f747b1c31",
            "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": "2026-10-29T19:46:01Z",
            "content": "{\"url\": \"https://platformazakupowa.pl/transakcja/1400691\", \"buyer\": \"24WOG\", \"title\": \"Dostawa sprzętu drukującego\", \"source\": \"platformazakupowa\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"Polska\", \"source_id\": \"1400691\", \"deadline_at\": \"2026-11-04T09:30:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-10-29T12:32:00Z\", \"notice_number\": \"1400691\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1400691\"}",
            "content_hash": "0aa154369391c624730b0ba42fceaf77428152f468f9856ac273a2f6bce69f4f",
            "prev_hash": "218c5846a41fb45262ae828555c083fdea294d520eac98a256e73a5f747b1c31",
            "hash": "f14c7f5f0c6862851b8b82b44aaf57d17e6478872ef723c7b6c26dc45668fe04",
            "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
            }
        }
    ]
}