{
  "meta": {
    "subject": "Roblox group 309829311",
    "retrieved": "2026-11-04T02:10:42.224Z",
    "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": 309829311,
    "name": "KR琴葉鉄道 | Kotoha Railways",
    "created": "2025-12-24T04:32:12.215Z",
    "owner_user_id": 8524678860,
    "member_count": 135,
    "has_verified_badge": false,
    "is_locked": false,
    "status": "live",
    "first_measured": "2026-08-11T16:27:51.292Z",
    "last_measured": "2026-10-24T11:07:18.890Z"
  },
  "member_history": [
    {
      "measured_at": "2026-08-11T16:27:51.292Z",
      "member_count": 55
    },
    {
      "measured_at": "2026-09-04T17:12:31.174Z",
      "member_count": 56
    },
    {
      "measured_at": "2026-09-06T17:56:41.090Z",
      "member_count": 57
    },
    {
      "measured_at": "2026-09-11T08:02:06.630Z",
      "member_count": 60
    },
    {
      "measured_at": "2026-09-26T16:38:24.202Z",
      "member_count": 115
    },
    {
      "measured_at": "2026-09-28T13:42:31.623Z",
      "member_count": 122
    },
    {
      "measured_at": "2026-10-05T06:08:26.109Z",
      "member_count": 127
    },
    {
      "measured_at": "2026-10-07T18:56:10.930Z",
      "member_count": 134
    },
    {
      "measured_at": "2026-10-13T01:09:12.893Z",
      "member_count": 135
    }
  ],
  "name_history": [
    {
      "name": "KR琴葉鉄道 | Kotoha Railways",
      "first_seen": "2026-09-11T08:02:06.630Z",
      "last_seen": "2026-10-24T11:07:18.890Z",
      "current": true
    },
    {
      "name": "帯東メトロ/Obito Metro",
      "first_seen": "2026-08-11T16:27:51.292Z",
      "last_seen": "2026-09-11T08:02:06.630Z",
      "current": false
    }
  ],
  "ownership_events": []
}