{
    "tender_id": 4322502,
    "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": "2026-10-31T10:16:25Z",
            "content": "{\"cpv\": \"44174000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865043/folia-stretch\", \"buyer\": \"Kopalnia Soli \\\"Kłodawa\\\" S.A.\", \"title\": \"Folia stretch\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865043\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:26Z\"}",
            "content_hash": "d9930c5360579c6ecad38937881d147e8267e8d01bc13ccb5a94aba99bfdee14",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "5180a21eb6350466020dec19b08cd24c7a7c6aa6787cc0f7f2a69eea8eaff190",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-10-31T10:45:38Z",
            "content": "{\"cpv\": \"44174000\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3865043/folia-stretch\", \"buyer\": \"Kopalnia Soli \\\"Kłodawa\\\" S.A.\", \"title\": \"Folia stretch\", \"region\": \"wielkopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3865043\", \"deadline_at\": \"2026-11-04T08:00:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-10-31T10:16:26Z\", \"procedure_url\": \"https://sol-klodawa.logintrade.net/portal,szczegolyZapytaniaOfertowe,2b22e40d21ce3305015bdd79ad4acc61.html\"}",
            "content_hash": "944671e0006388112a3d41d377fd537efe40e97c10a555c2281e101edea36e82",
            "prev_hash": "5180a21eb6350466020dec19b08cd24c7a7c6aa6787cc0f7f2a69eea8eaff190",
            "hash": "77dc173b97ccc181b19263ff2b5e15d7a546f6d228eccd17e6dab25beecc351a",
            "actor": null,
            "seal": null
        }
    ]
}