{
    "tender_id": 4931726,
    "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": "2026-11-03T06:23:19Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/763682-2026\", \"buyer\": \"Śląskie Centrum Chorób Serca w Zabrzu\", \"title\": \"Polska – Urządzenia medyczne – Dostawa zestawów do ergospirometrii\", \"region\": \"slaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL229, POL, PL229, PL229, POL, POL\", \"source_id\": \"763682-2026\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-03T01:00:00Z\"}",
            "content_hash": "caca7e2bfaceebe915b00fb011567804d7d203a90476758e0093f7b9f0be4693",
            "prev_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "hash": "97c09c51e7e8ccc4965ce497b007e44c5ff81f414e5fa770f897e7e8d52ef13b",
            "actor": null,
            "seal": null
        },
        {
            "version": 2,
            "recorded_at": "2026-11-03T11:45:23Z",
            "content": "{\"cpv\": \"33100000\", \"url\": \"https://ted.europa.eu/pl/notice/-/detail/763682-2026\", \"buyer\": \"Śląskie Centrum Chorób Serca w Zabrzu\", \"title\": \"Polska – Urządzenia medyczne – Dostawa zestawów do ergospirometrii\", \"region\": \"slaskie\", \"source\": \"ted\", \"status\": \"active\", \"cpv_more\": [], \"location\": \"PL229, POL, PL229, PL229, POL, POL\", \"source_id\": \"763682-2026\", \"deadline_at\": \"2026-11-10T11:00:00Z\", \"notice_type\": \"Ogłoszenie TED\", \"published_at\": \"2026-11-03T01:00:00Z\", \"procedure_url\": \"https://oneplace.marketplanet.pl/zapytania-ofertowe-przetargi/-/rfp/view/3743780/dostawa-zestawow-do-ergospirometrii\"}",
            "content_hash": "39dcdc0309ca2264acf008627cdb8b48da394d55882c5f5a1118aa2c48571725",
            "prev_hash": "97c09c51e7e8ccc4965ce497b007e44c5ff81f414e5fa770f897e7e8d52ef13b",
            "hash": "4739f8c401a6f465a3237967307e50d96d467d342ef430c59bb0dafb94ce65aa",
            "actor": null,
            "seal": null
        }
    ]
}