{
 "meta": {
  "dataset": "Subscriber history — @FreeCourseWeb",
  "channel": "https://tgregister.com/channel/FreeCourseWeb",
  "retrieved_at": "2026-09-14T09:37:11.623Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 31,
  "window": {
   "from": "2026-08-06T23:54:57.173Z",
   "to": "2026-09-13T02:21:53.586Z"
  },
  "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": "2026-08-06T23:54:57.173Z",
   "subscribers": 22099,
   "source": 0
  },
  {
   "ts": "2026-08-07T00:00:23.607Z",
   "subscribers": 22099,
   "source": 3
  },
  {
   "ts": "2026-08-07T07:50:23.019Z",
   "subscribers": 22097,
   "source": 4
  },
  {
   "ts": "2026-08-08T05:35:30.123Z",
   "subscribers": 22092,
   "source": 4
  },
  {
   "ts": "2026-08-09T09:11:54.331Z",
   "subscribers": 22095,
   "source": 4
  },
  {
   "ts": "2026-08-10T06:38:05.708Z",
   "subscribers": 22098,
   "source": 4
  },
  {
   "ts": "2026-08-11T03:11:54.649Z",
   "subscribers": 22097,
   "source": 4
  },
  {
   "ts": "2026-08-12T06:15:35.789Z",
   "subscribers": 22094,
   "source": 4
  },
  {
   "ts": "2026-08-13T03:24:36.322Z",
   "subscribers": 22097,
   "source": 4
  },
  {
   "ts": "2026-08-14T14:37:08.258Z",
   "subscribers": 22087,
   "source": 4
  },
  {
   "ts": "2026-08-16T06:19:16.104Z",
   "subscribers": 22075,
   "source": 4
  },
  {
   "ts": "2026-08-17T13:17:36.882Z",
   "subscribers": 22071,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:33:38.531Z",
   "subscribers": 22072,
   "source": 4
  },
  {
   "ts": "2026-08-19T07:24:22.474Z",
   "subscribers": 22065,
   "source": 4
  },
  {
   "ts": "2026-08-20T04:33:47.796Z",
   "subscribers": 22064,
   "source": 4
  },
  {
   "ts": "2026-08-21T06:13:20.720Z",
   "subscribers": 22065,
   "source": 4
  },
  {
   "ts": "2026-08-22T13:47:02.188Z",
   "subscribers": 22064,
   "source": 4
  },
  {
   "ts": "2026-08-24T03:24:49.256Z",
   "subscribers": 22058,
   "source": 4
  },
  {
   "ts": "2026-08-25T05:06:10.873Z",
   "subscribers": 22050,
   "source": 4
  },
  {
   "ts": "2026-08-26T06:29:23.572Z",
   "subscribers": 22046,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:28:38.379Z",
   "subscribers": 22048,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:44:06.064Z",
   "subscribers": 22045,
   "source": 4
  },
  {
   "ts": "2026-08-30T02:58:25.535Z",
   "subscribers": 22043,
   "source": 4
  },
  {
   "ts": "2026-08-31T04:25:13.331Z",
   "subscribers": 22033,
   "source": 4
  },
  {
   "ts": "2026-09-01T03:56:48.446Z",
   "subscribers": 22027,
   "source": 4
  },
  {
   "ts": "2026-09-02T06:21:59.887Z",
   "subscribers": 22025,
   "source": 4
  },
  {
   "ts": "2026-09-03T09:22:57.522Z",
   "subscribers": 22022,
   "source": 4
  },
  {
   "ts": "2026-09-05T00:21:42.735Z",
   "subscribers": 22017,
   "source": 4
  },
  {
   "ts": "2026-09-08T06:58:42.871Z",
   "subscribers": 22006,
   "source": 4
  },
  {
   "ts": "2026-09-11T04:19:12.981Z",
   "subscribers": 21984,
   "source": 4
  },
  {
   "ts": "2026-09-13T02:21:53.586Z",
   "subscribers": 21977,
   "source": 4
  }
 ]
}