{
  "meta": {
    "subject": "Roblox group 5855418",
    "retrieved": "2026-09-08T19:36:28.004Z",
    "licence": "Measured by roregister.com from public Roblox APIs. Free to reuse with attribution to roregister.com. Not affiliated with Roblox Corporation.",
    "notes": {
      "member_history": "insert-on-change; a point exists only where the value differed from the prior reading.",
      "detection_dates": "ownership/name changes are dated when this register observed them, not when they happened."
    }
  },
  "group": {
    "id": 5855418,
    "name": "[CBRN] Radiological Corps",
    "created": "2020-03-30T13:04:42.993Z",
    "owner_user_id": 153877217,
    "member_count": 979,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T12:06:43.925Z",
    "last_measured": "2026-09-08T19:11:54.463Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-10T12:06:43.925Z",
      "member_count": 979
    },
    {
      "measured_at": "2026-08-10T13:17:05.197Z",
      "member_count": 979
    },
    {
      "measured_at": "2026-08-12T09:11:29.797Z",
      "member_count": 978
    },
    {
      "measured_at": "2026-08-17T09:51:57.677Z",
      "member_count": 977
    },
    {
      "measured_at": "2026-08-17T23:12:07.859Z",
      "member_count": 979
    },
    {
      "measured_at": "2026-08-18T10:40:57.501Z",
      "member_count": 978
    },
    {
      "measured_at": "2026-08-18T20:11:45.086Z",
      "member_count": 979
    },
    {
      "measured_at": "2026-08-20T19:51:48.813Z",
      "member_count": 978
    },
    {
      "measured_at": "2026-08-24T02:01:46.019Z",
      "member_count": 979
    },
    {
      "measured_at": "2026-08-26T09:30:49.960Z",
      "member_count": 978
    },
    {
      "measured_at": "2026-08-27T21:41:47.587Z",
      "member_count": 977
    },
    {
      "measured_at": "2026-08-30T03:10:43.463Z",
      "member_count": 976
    },
    {
      "measured_at": "2026-09-04T04:45:15.589Z",
      "member_count": 977
    },
    {
      "measured_at": "2026-09-05T18:32:54.841Z",
      "member_count": 978
    },
    {
      "measured_at": "2026-09-07T05:01:59.106Z",
      "member_count": 979
    }
  ],
  "name_history": [
    {
      "name": "[CBRN] Radiological Corps",
      "first_seen": "2026-08-10T12:06:43.925Z",
      "last_seen": "2026-09-08T19:11:54.463Z",
      "current": true
    }
  ],
  "ownership_events": [
    {
      "observed_at": "2026-08-10T13:17:05.197Z",
      "previous_owner": null,
      "new_owner": 153877217
    }
  ]
}