{
  "meta": {
    "subject": "Roblox group 13664213",
    "retrieved": "2026-09-08T03:17:14.584Z",
    "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": 13664213,
    "name": "Blue Griffindor Games",
    "created": "2022-01-08T08:17:57.417Z",
    "owner_user_id": 3213196181,
    "member_count": 10276,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-10T15:58:36.959Z",
    "last_measured": "2026-09-08T01:19:24.893Z"
  },
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      "measured_at": "2026-08-11T09:09:01.833Z",
      "member_count": 9713
    },
    {
      "measured_at": "2026-08-11T13:55:06.263Z",
      "member_count": 9721
    },
    {
      "measured_at": "2026-08-11T21:23:43.640Z",
      "member_count": 9724
    },
    {
      "measured_at": "2026-08-12T13:50:41.557Z",
      "member_count": 9739
    },
    {
      "measured_at": "2026-08-13T02:49:48.264Z",
      "member_count": 9747
    },
    {
      "measured_at": "2026-08-13T17:18:18.498Z",
      "member_count": 9759
    },
    {
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      "member_count": 9772
    },
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      "member_count": 9774
    },
    {
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      "member_count": 9813
    },
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      "member_count": 9917
    },
    {
      "measured_at": "2026-08-21T18:32:02.975Z",
      "member_count": 9923
    },
    {
      "measured_at": "2026-08-22T22:54:16.233Z",
      "member_count": 9945
    },
    {
      "measured_at": "2026-08-23T05:46:03.435Z",
      "member_count": 9948
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      "member_count": 9970
    },
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      "member_count": 9977
    },
    {
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      "member_count": 10002
    },
    {
      "measured_at": "2026-08-26T01:03:36.104Z",
      "member_count": 10009
    },
    {
      "measured_at": "2026-08-27T07:14:13.662Z",
      "member_count": 10035
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      "member_count": 10039
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    },
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    },
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      "member_count": 10166
    },
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      "member_count": 10194
    },
    {
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    },
    {
      "measured_at": "2026-09-05T12:12:33.725Z",
      "member_count": 10221
    },
    {
      "measured_at": "2026-09-05T18:26:25.908Z",
      "member_count": 10226
    },
    {
      "measured_at": "2026-09-06T00:30:56.773Z",
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    },
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  ],
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    {
      "name": "Blue Griffindor Games",
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      "last_seen": "2026-09-08T01:19:24.893Z",
      "current": true
    }
  ],
  "ownership_events": []
}