{
 "meta": {
  "dataset": "Subscriber history — @Class_9_English_Notes_Book",
  "channel": "https://tgregister.com/channel/Class_9_English_Notes_Book",
  "retrieved_at": "2026-09-09T23:41:31.025Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 23,
  "window": {
   "from": "2026-08-07T12:31:51.549Z",
   "to": "2026-09-07T09:59:59.463Z"
  },
  "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": "2026-08-07T12:31:51.549Z",
   "subscribers": 9498,
   "source": 0
  },
  {
   "ts": "2026-08-08T07:51:04.931Z",
   "subscribers": 9496,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:37:39.342Z",
   "subscribers": 9554,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:03:41.462Z",
   "subscribers": 10129,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:13:52.310Z",
   "subscribers": 10331,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:44:38.325Z",
   "subscribers": 10419,
   "source": 4
  },
  {
   "ts": "2026-08-18T21:35:30.890Z",
   "subscribers": 10522,
   "source": 4
  },
  {
   "ts": "2026-08-20T00:16:03.695Z",
   "subscribers": 10593,
   "source": 4
  },
  {
   "ts": "2026-08-20T21:55:31.796Z",
   "subscribers": 10681,
   "source": 4
  },
  {
   "ts": "2026-08-22T10:28:27.847Z",
   "subscribers": 10681,
   "source": 1
  },
  {
   "ts": "2026-08-22T11:16:31.017Z",
   "subscribers": 10785,
   "source": 4
  },
  {
   "ts": "2026-08-24T06:05:21.852Z",
   "subscribers": 10969,
   "source": 4
  },
  {
   "ts": "2026-08-25T08:56:29.701Z",
   "subscribers": 10987,
   "source": 4
  },
  {
   "ts": "2026-08-26T11:13:35.232Z",
   "subscribers": 11004,
   "source": 4
  },
  {
   "ts": "2026-08-27T12:53:20.003Z",
   "subscribers": 11039,
   "source": 4
  },
  {
   "ts": "2026-08-28T14:24:03.964Z",
   "subscribers": 11055,
   "source": 4
  },
  {
   "ts": "2026-08-29T17:13:37.934Z",
   "subscribers": 11085,
   "source": 4
  },
  {
   "ts": "2026-08-30T18:05:21.894Z",
   "subscribers": 11148,
   "source": 4
  },
  {
   "ts": "2026-08-31T19:39:20.895Z",
   "subscribers": 11220,
   "source": 4
  },
  {
   "ts": "2026-09-01T22:57:56.380Z",
   "subscribers": 11275,
   "source": 4
  },
  {
   "ts": "2026-09-02T23:49:23.001Z",
   "subscribers": 11312,
   "source": 4
  },
  {
   "ts": "2026-09-04T14:41:36.554Z",
   "subscribers": 11321,
   "source": 4
  },
  {
   "ts": "2026-09-07T09:59:59.463Z",
   "subscribers": 11300,
   "source": 4
  }
 ]
}