{
    "tender_id": 4982562,
    "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": "2026-11-03T11:29:14Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241716/details\", \"buyer\": \"Śląskie Centrum Chorób Serca w Zabrzu\", \"title\": \"Dostawa zestawów do ergospirometrii\", \"region\": \"slaskie\", \"source\": \"sccszabrze_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241716\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-08-24T09:38:00Z\"}",
            "content_hash": "98a9d69a2a4debb3e0d4fcdd637c83974c6c3a97e3b2415972a59e9d4e8b3ca1",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "89ff26b46786570ca9aceb2b904f98b15aae52a606711a6cb1e982a286e02f3b",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T11:45:23Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://sccszabrze.ezamawiajacy.pl/pn/sccszabrze/demand/notice/public/241716/details\", \"buyer\": \"Śląskie Centrum Chorób Serca w Zabrzu\", \"title\": \"Dostawa zestawów do ergospirometrii\", \"region\": \"slaskie\", \"source\": \"sccszabrze_ezamawiajacy\", \"status\": \"active\", \"cpv_more\": [], \"source_id\": \"241716\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogloszenie o zamowieniu\", \"published_at\": \"2026-08-24T09:38:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3743780/dostawa-zestawow-do-ergospirometrii\"}",
            "content_hash": "84921beb66963c4c574fa49d1d769b3631b5e0774bb41248371c90db176f9a3b",
            "prev_hash": "89ff26b46786570ca9aceb2b904f98b15aae52a606711a6cb1e982a286e02f3b",
            "hash": "65389cc06e4bdfd140693b66612cb53d9748210406c352294152a0d3daa34455",
            "actor": null,
            "seal": null
        }
    ]
}