{
    "tender_id": 4022447,
    "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": "2026-10-29T19:40:00Z",
            "content": "{\"cpv\": \"09135100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860638/dostawa-oleju-opalowego-lekkiego-do-budynkow-uzytecznosci-publicznej-gminy-ukowica-\", \"buyer\": \"Gmina Łukowica\", \"title\": \"Dostawa oleju opałowego lekkiego do budynków użyteczności publicznej GMINY ŁUKOWICA.\", \"region\": \"lubelskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860638\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:40:00Z\"}",
            "content_hash": "3f26dc90d1eba5db0893c0de0512f81acd522adc997046a811cccb8a1fc814f8",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "909531f8e82732d3412601636fb3ec8ec517a25c283fee37d7d6b547d4dd06cb",
            "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": "2026-10-29T19:46:03Z",
            "content": "{\"cpv\": \"09135100\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3860638/dostawa-oleju-opalowego-lekkiego-do-budynkow-uzytecznosci-publicznej-gminy-ukowica-\", \"buyer\": \"Gmina Łukowica\", \"title\": \"Dostawa oleju opałowego lekkiego do budynków użyteczności publicznej GMINY ŁUKOWICA.\", \"region\": \"lubelskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3860638\", \"deadline_at\": \"2026-11-06T11:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-29T19:40:00Z\", \"procedure_url\": \"https://zamowienia.sidaspzp.pl/zamowienia/e46f6d76-a080-4a3e-934f-08a40296f73f\"}",
            "content_hash": "0284a7b1f54e01a82431a3084dc38866760eb49359e19f1af6b980b6c924c396",
            "prev_hash": "909531f8e82732d3412601636fb3ec8ec517a25c283fee37d7d6b547d4dd06cb",
            "hash": "ad82081074bc227e901084d7b95d583bddac3727d5aa8b1662c2969386cb184c",
            "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
            }
        }
    ]
}