{
 "meta": {
  "dataset": "Subscriber history — @GetAllFreeCourses",
  "channel": "https://tgregister.com/channel/GetAllFreeCourses",
  "retrieved_at": "2026-09-10T07:46:08.230Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T17:59:23.590Z",
   "to": "2026-09-07T14:55:06.865Z"
  },
  "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": "2026-08-07T17:59:23.590Z",
   "subscribers": 25143,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:00:52.213Z",
   "subscribers": 25143,
   "source": 3
  },
  {
   "ts": "2026-08-08T14:30:53.883Z",
   "subscribers": 25138,
   "source": 4
  },
  {
   "ts": "2026-08-09T17:22:05.423Z",
   "subscribers": 25122,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:46:35.133Z",
   "subscribers": 25108,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:56:25.823Z",
   "subscribers": 25101,
   "source": 4
  },
  {
   "ts": "2026-08-12T21:55:23.794Z",
   "subscribers": 25087,
   "source": 4
  },
  {
   "ts": "2026-08-14T04:48:21.236Z",
   "subscribers": 25081,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:52:41.689Z",
   "subscribers": 25076,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:57:24.284Z",
   "subscribers": 25058,
   "source": 4
  },
  {
   "ts": "2026-08-18T00:12:12.491Z",
   "subscribers": 25047,
   "source": 4
  },
  {
   "ts": "2026-08-18T21:35:50.626Z",
   "subscribers": 25035,
   "source": 4
  },
  {
   "ts": "2026-08-19T20:42:22.750Z",
   "subscribers": 25042,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:04:52.229Z",
   "subscribers": 25032,
   "source": 4
  },
  {
   "ts": "2026-08-22T00:56:04.680Z",
   "subscribers": 25021,
   "source": 4
  },
  {
   "ts": "2026-08-23T11:14:01.195Z",
   "subscribers": 25004,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:38:32.353Z",
   "subscribers": 24991,
   "source": 4
  },
  {
   "ts": "2026-08-25T23:55:34.072Z",
   "subscribers": 24977,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:25:41.655Z",
   "subscribers": 24976,
   "source": 4
  },
  {
   "ts": "2026-08-27T23:46:50.942Z",
   "subscribers": 24967,
   "source": 4
  },
  {
   "ts": "2026-08-29T02:25:36.287Z",
   "subscribers": 24955,
   "source": 4
  },
  {
   "ts": "2026-08-29T23:37:26.028Z",
   "subscribers": 24951,
   "source": 4
  },
  {
   "ts": "2026-08-31T02:54:32.515Z",
   "subscribers": 24937,
   "source": 4
  },
  {
   "ts": "2026-09-01T01:34:49.302Z",
   "subscribers": 24928,
   "source": 4
  },
  {
   "ts": "2026-09-02T01:41:55.011Z",
   "subscribers": 24923,
   "source": 4
  },
  {
   "ts": "2026-09-03T00:58:46.830Z",
   "subscribers": 24920,
   "source": 4
  },
  {
   "ts": "2026-09-04T17:18:19.814Z",
   "subscribers": 24908,
   "source": 4
  },
  {
   "ts": "2026-09-07T14:55:06.865Z",
   "subscribers": 24871,
   "source": 4
  }
 ]
}