{
  "meta": {
    "subject": "Roblox group 9639816",
    "retrieved": "2026-10-18T00:20:33.334Z",
    "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": 9639816,
    "name": "バットウィング",
    "created": "2021-02-17T04:31:22.723Z",
    "owner_user_id": 74446568,
    "member_count": 595,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T15:01:40.605Z",
    "last_measured": "2026-10-15T17:29:19.020Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-12T03:46:11.790Z",
      "member_count": 573
    },
    {
      "measured_at": "2026-08-14T05:34:13.458Z",
      "member_count": 575
    },
    {
      "measured_at": "2026-08-17T13:53:45.354Z",
      "member_count": 574
    },
    {
      "measured_at": "2026-08-23T04:16:51.105Z",
      "member_count": 576
    },
    {
      "measured_at": "2026-08-27T15:14:25.469Z",
      "member_count": 578
    },
    {
      "measured_at": "2026-09-04T01:14:43.527Z",
      "member_count": 579
    },
    {
      "measured_at": "2026-09-05T15:27:54.728Z",
      "member_count": 583
    },
    {
      "measured_at": "2026-09-07T14:03:24.856Z",
      "member_count": 581
    },
    {
      "measured_at": "2026-09-11T17:00:48.409Z",
      "member_count": 583
    },
    {
      "measured_at": "2026-09-15T18:58:34.856Z",
      "member_count": 585
    },
    {
      "measured_at": "2026-09-21T12:55:10.159Z",
      "member_count": 587
    },
    {
      "measured_at": "2026-09-28T07:44:17.749Z",
      "member_count": 588
    },
    {
      "measured_at": "2026-09-30T10:54:17.317Z",
      "member_count": 589
    },
    {
      "measured_at": "2026-10-04T11:33:35.391Z",
      "member_count": 590
    },
    {
      "measured_at": "2026-10-09T09:56:11.616Z",
      "member_count": 593
    },
    {
      "measured_at": "2026-10-15T03:38:26.698Z",
      "member_count": 595
    }
  ],
  "name_history": [
    {
      "name": "バットウィング",
      "first_seen": "2026-08-10T15:01:14.279Z",
      "last_seen": "2026-10-15T17:29:19.020Z",
      "current": true
    }
  ],
  "ownership_events": []
}