{
    "tender_id": 5356748,
    "check": {
        "ok": true,
        "versions": 1,
        "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": "2026-11-05T05:49:14Z",
            "content": "{\"cpv\": \"42123400\", \"url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3874534/olej-do-sprezarki-lopatkowej-hydrovane-fluid-force-hpo-irizar-400001088-syntetyczny-5-l\", \"buyer\": \"MIEJSKIE PRZEDSIĘBIORSTWO KOMUNIKACYJNE SPÓŁKA AKCYJNA W KRAKOWIE\", \"title\": \"Olej do sprężarki łopatkowej Hydrovane Fluid Force HPO IRIZAR 400001088 syntetyczny 5 l\", \"region\": \"malopolskie\", \"source\": \"oneplace_marketplanet\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"3874534\", \"deadline_at\": \"2026-11-05T06:30:00Z\", \"notice_type\": \"Zapytanie ofertowe\", \"published_at\": \"2026-11-05T05:49:15Z\"}",
            "content_hash": "30fced221a4293ca18e77f684f6d20dac4bff6d6f591ce890780d0e701fc5f4d",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "96d6996321af0f33ada0a34929820d38eb96aaf85af1f3ed5e37d88bf284c4fb",
            "actor": null,
            "seal": null
        }
    ]
}