{
    "tender_id": 4223030,
    "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": "2026-10-30T21:44:04Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864315/najem-i-serwisowanie-mat-pylochlonnych-w-2027-i-2028-roku\", \"buyer\": \"Miejski Ośrodek Sportu i Rekreacji w Kielcach\", \"title\": \"Najem i serwisowanie mat pyłochłonnych w 2027 i 2028 roku\", \"region\": \"swietokrzyskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864315\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:44:05Z\"}",
            "content_hash": "c74424584ecdfb5a4cbee5a28eeb1b13f70ed17dc05c9b30f74a29602f0e10bd",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "941ddd115dff7e851c47fc6ea6c7627779656e722f9f7bfc0886c52df2340718",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        },
        {
            "version": 2,
            "recorded_at": "2026-10-30T21:45:31Z",
            "content": "{\"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3864315/najem-i-serwisowanie-mat-pylochlonnych-w-2027-i-2028-roku\", \"buyer\": \"Miejski Ośrodek Sportu i Rekreacji w Kielcach\", \"title\": \"Najem i serwisowanie mat pyłochłonnych w 2027 i 2028 roku\", \"region\": \"swietokrzyskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3864315\", \"deadline_at\": \"2026-11-05T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-30T21:44:05Z\", \"procedure_url\": \"https://platformazakupowa.pl/transakcja/1401645\"}",
            "content_hash": "3d63d7dcf3c17cea752176ac37f2e98ff5e3e4ac3d1ebf30eaff4add8e38d034",
            "prev_hash": "941ddd115dff7e851c47fc6ea6c7627779656e722f9f7bfc0886c52df2340718",
            "hash": "7907ebfe24b92b9ad4d0bd86883fcf2bf765bb8cfd7ccbcb1d8cec5c72b3cc9e",
            "actor": null,
            "seal": {
                "id": 7,
                "digest": "a9f75e7ec6726860fada5c5807cac164b76cf44582f14a01cd7b4a36f579f813",
                "file": "https://tenderiq.pl/rejestr/pieczec-7.txt",
                "proof": "https://tenderiq.pl/rejestr/pieczec-7.txt.ots",
                "bitcoin_block": 973897
            }
        }
    ]
}