{
 "meta": {
  "dataset": "Subscriber history — @qa_courses",
  "channel": "https://tgregister.com/channel/qa_courses",
  "retrieved_at": "2026-09-02T20:50:47.062Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 25,
  "window": {
   "from": "2026-08-06T13:38:48.969Z",
   "to": "2026-09-02T11:26:28.739Z"
  },
  "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": "2026-08-06T13:38:48.969Z",
   "subscribers": 11438,
   "source": 0
  },
  {
   "ts": "2026-08-07T22:52:58.155Z",
   "subscribers": 11433,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:30:44.971Z",
   "subscribers": 11430,
   "source": 4
  },
  {
   "ts": "2026-08-11T01:08:30.248Z",
   "subscribers": 11426,
   "source": 4
  },
  {
   "ts": "2026-08-12T01:32:44.520Z",
   "subscribers": 11418,
   "source": 4
  },
  {
   "ts": "2026-08-13T05:05:04.164Z",
   "subscribers": 11415,
   "source": 4
  },
  {
   "ts": "2026-08-14T13:19:09.334Z",
   "subscribers": 11416,
   "source": 4
  },
  {
   "ts": "2026-08-16T01:46:32.813Z",
   "subscribers": 11419,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:28:19.013Z",
   "subscribers": 11411,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:13:02.813Z",
   "subscribers": 11415,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:22:29.621Z",
   "subscribers": 11413,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:49:05.752Z",
   "subscribers": 11409,
   "source": 4
  },
  {
   "ts": "2026-08-21T13:55:48.516Z",
   "subscribers": 11407,
   "source": 4
  },
  {
   "ts": "2026-08-21T18:11:14.177Z",
   "subscribers": 11407,
   "source": 1
  },
  {
   "ts": "2026-08-23T01:03:45.325Z",
   "subscribers": 11397,
   "source": 4
  },
  {
   "ts": "2026-08-24T14:48:27.237Z",
   "subscribers": 11392,
   "source": 4
  },
  {
   "ts": "2026-08-25T12:22:44.180Z",
   "subscribers": 11389,
   "source": 4
  },
  {
   "ts": "2026-08-26T15:48:48.416Z",
   "subscribers": 11383,
   "source": 4
  },
  {
   "ts": "2026-08-27T18:48:11.994Z",
   "subscribers": 11382,
   "source": 4
  },
  {
   "ts": "2026-08-28T17:07:31.735Z",
   "subscribers": 11379,
   "source": 4
  },
  {
   "ts": "2026-08-29T14:08:16.553Z",
   "subscribers": 11377,
   "source": 4
  },
  {
   "ts": "2026-08-30T13:11:48.595Z",
   "subscribers": 11378,
   "source": 4
  },
  {
   "ts": "2026-08-31T10:36:14.470Z",
   "subscribers": 11372,
   "source": 4
  },
  {
   "ts": "2026-09-01T08:45:26.974Z",
   "subscribers": 11365,
   "source": 4
  },
  {
   "ts": "2026-09-02T11:26:28.739Z",
   "subscribers": 11361,
   "source": 4
  }
 ]
}