{
 "meta": {
  "dataset": "Subscriber history — @GPSC_StudyZone",
  "channel": "https://tgregister.com/channel/GPSC_StudyZone",
  "retrieved_at": "2026-09-07T19:26:50.750Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 25,
  "window": {
   "from": "2026-08-06T07:22:13.920Z",
   "to": "2026-09-06T21:21:51.993Z"
  },
  "columns": {
   "ts": "when this reading was taken, UTC",
   "subscribers": "the count read (or, for source 3, carried over) — see source below",
   "source": {
    "0": "sweep.py — t.me/<name> profile page",
    "1": "promote.py — Bot API getChat",
    "2": "resolve.py — MTProto",
    "3": "spromote.py — t.me/s/<name> post preview (figure carried over from an earlier profile read, not the preview’s own rounded header)",
    "4": "remeasure.py — t.me/<name> profile page, re-read on a schedule"
   }
  },
  "note": "Snapshots are written only when a reading changes: a gap in ts means \"no change observed between readings\", never \"not measured\" and never \"interpolated\". Readings from different sources are separate lineages that do not confirm one another — subtracting across them can attribute a change to a period nothing was actually read in. Full method: https://tgregister.com/methodology#measuring"
 },
 "rows": [
  {
   "ts": "2026-08-06T07:22:13.920Z",
   "subscribers": 15612,
   "source": 0
  },
  {
   "ts": "2026-08-08T05:52:52.911Z",
   "subscribers": 15611,
   "source": 4
  },
  {
   "ts": "2026-08-09T07:52:14.821Z",
   "subscribers": 15606,
   "source": 4
  },
  {
   "ts": "2026-08-12T04:02:33.599Z",
   "subscribers": 15611,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:03:59.826Z",
   "subscribers": 15614,
   "source": 4
  },
  {
   "ts": "2026-08-14T11:37:04.456Z",
   "subscribers": 15618,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:34:35.312Z",
   "subscribers": 15617,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:46:45.901Z",
   "subscribers": 15614,
   "source": 4
  },
  {
   "ts": "2026-08-18T09:42:29.790Z",
   "subscribers": 15618,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:51:43.507Z",
   "subscribers": 15618,
   "source": 1
  },
  {
   "ts": "2026-08-19T07:46:25.277Z",
   "subscribers": 15617,
   "source": 4
  },
  {
   "ts": "2026-08-20T08:33:07.830Z",
   "subscribers": 15619,
   "source": 4
  },
  {
   "ts": "2026-08-21T06:48:04.082Z",
   "subscribers": 15617,
   "source": 4
  },
  {
   "ts": "2026-08-22T17:07:43.174Z",
   "subscribers": 15608,
   "source": 4
  },
  {
   "ts": "2026-08-24T12:16:45.819Z",
   "subscribers": 15599,
   "source": 4
  },
  {
   "ts": "2026-08-26T18:37:46.856Z",
   "subscribers": 15593,
   "source": 4
  },
  {
   "ts": "2026-08-27T16:28:24.191Z",
   "subscribers": 15596,
   "source": 4
  },
  {
   "ts": "2026-08-28T15:03:16.851Z",
   "subscribers": 15589,
   "source": 4
  },
  {
   "ts": "2026-08-29T15:53:01.874Z",
   "subscribers": 15587,
   "source": 4
  },
  {
   "ts": "2026-08-30T15:35:35.737Z",
   "subscribers": 15589,
   "source": 4
  },
  {
   "ts": "2026-08-31T14:54:54.222Z",
   "subscribers": 15590,
   "source": 4
  },
  {
   "ts": "2026-09-01T17:25:59.679Z",
   "subscribers": 15591,
   "source": 4
  },
  {
   "ts": "2026-09-02T20:07:42.493Z",
   "subscribers": 15590,
   "source": 4
  },
  {
   "ts": "2026-09-04T08:18:48.537Z",
   "subscribers": 15591,
   "source": 4
  },
  {
   "ts": "2026-09-06T21:21:51.993Z",
   "subscribers": 15579,
   "source": 4
  }
 ]
}