{
 "meta": {
  "dataset": "Subscriber history — @ctanarayanan",
  "channel": "https://tgregister.com/channel/ctanarayanan",
  "retrieved_at": "2026-09-11T22:33:19.266Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 30,
  "window": {
   "from": "2026-08-07T00:42:55.288Z",
   "to": "2026-09-09T19:36:37.684Z"
  },
  "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": "2026-08-07T00:42:55.288Z",
   "subscribers": 20915,
   "source": 0
  },
  {
   "ts": "2026-08-07T19:54:55.537Z",
   "subscribers": 20920,
   "source": 4
  },
  {
   "ts": "2026-08-08T18:38:52.588Z",
   "subscribers": 20928,
   "source": 4
  },
  {
   "ts": "2026-08-09T17:22:14.251Z",
   "subscribers": 20994,
   "source": 4
  },
  {
   "ts": "2026-08-10T14:31:37.234Z",
   "subscribers": 21015,
   "source": 4
  },
  {
   "ts": "2026-08-11T17:46:09.113Z",
   "subscribers": 21027,
   "source": 4
  },
  {
   "ts": "2026-08-12T15:56:37.930Z",
   "subscribers": 21038,
   "source": 4
  },
  {
   "ts": "2026-08-13T23:34:08.567Z",
   "subscribers": 21044,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:12:26.018Z",
   "subscribers": 21034,
   "source": 4
  },
  {
   "ts": "2026-08-16T03:39:08.724Z",
   "subscribers": 21034,
   "source": 1
  },
  {
   "ts": "2026-08-16T21:53:33.561Z",
   "subscribers": 21024,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:06:11.329Z",
   "subscribers": 21016,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:05:26.657Z",
   "subscribers": 21020,
   "source": 4
  },
  {
   "ts": "2026-08-19T21:07:38.448Z",
   "subscribers": 21024,
   "source": 4
  },
  {
   "ts": "2026-08-20T18:45:49.921Z",
   "subscribers": 21014,
   "source": 4
  },
  {
   "ts": "2026-08-22T00:47:58.135Z",
   "subscribers": 21016,
   "source": 4
  },
  {
   "ts": "2026-08-23T13:58:07.007Z",
   "subscribers": 21026,
   "source": 4
  },
  {
   "ts": "2026-08-25T00:07:36.761Z",
   "subscribers": 21040,
   "source": 4
  },
  {
   "ts": "2026-08-26T02:12:29.739Z",
   "subscribers": 21053,
   "source": 4
  },
  {
   "ts": "2026-08-27T01:07:12.517Z",
   "subscribers": 21056,
   "source": 4
  },
  {
   "ts": "2026-08-28T04:24:50.040Z",
   "subscribers": 21062,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:37:14.152Z",
   "subscribers": 21083,
   "source": 4
  },
  {
   "ts": "2026-08-30T01:57:31.683Z",
   "subscribers": 21104,
   "source": 4
  },
  {
   "ts": "2026-08-31T00:14:43.919Z",
   "subscribers": 21100,
   "source": 4
  },
  {
   "ts": "2026-08-31T20:54:41.286Z",
   "subscribers": 21091,
   "source": 4
  },
  {
   "ts": "2026-09-01T20:07:11.130Z",
   "subscribers": 21100,
   "source": 4
  },
  {
   "ts": "2026-09-02T17:48:20.035Z",
   "subscribers": 21099,
   "source": 4
  },
  {
   "ts": "2026-09-04T02:17:47.725Z",
   "subscribers": 21076,
   "source": 4
  },
  {
   "ts": "2026-09-06T15:14:55.094Z",
   "subscribers": 21048,
   "source": 4
  },
  {
   "ts": "2026-09-09T19:36:37.684Z",
   "subscribers": 21032,
   "source": 4
  }
 ]
}