{
 "meta": {
  "dataset": "Subscriber history — @udemy2020",
  "channel": "https://tgregister.com/channel/udemy2020",
  "retrieved_at": "2026-09-10T03:33:04.072Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T04:28:01.610Z",
   "to": "2026-09-08T13:58:15.379Z"
  },
  "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": "2026-08-07T04:28:01.610Z",
   "subscribers": 64813,
   "source": 0
  },
  {
   "ts": "2026-08-07T23:25:05.925Z",
   "subscribers": 64780,
   "source": 4
  },
  {
   "ts": "2026-08-08T21:00:48.051Z",
   "subscribers": 64768,
   "source": 4
  },
  {
   "ts": "2026-08-09T18:41:11.703Z",
   "subscribers": 64755,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:44:13.285Z",
   "subscribers": 64725,
   "source": 4
  },
  {
   "ts": "2026-08-11T15:06:22.226Z",
   "subscribers": 64713,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:26:24.671Z",
   "subscribers": 64713,
   "source": 1
  },
  {
   "ts": "2026-08-12T13:24:57.037Z",
   "subscribers": 64683,
   "source": 4
  },
  {
   "ts": "2026-08-13T12:35:35.640Z",
   "subscribers": 64664,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:23:48.174Z",
   "subscribers": 64633,
   "source": 4
  },
  {
   "ts": "2026-08-16T15:23:48.234Z",
   "subscribers": 64577,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:05:00.095Z",
   "subscribers": 64541,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:22:25.549Z",
   "subscribers": 64522,
   "source": 4
  },
  {
   "ts": "2026-08-19T20:35:30.273Z",
   "subscribers": 64500,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:22:58.196Z",
   "subscribers": 64487,
   "source": 4
  },
  {
   "ts": "2026-08-21T23:26:41.831Z",
   "subscribers": 64466,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:17:30.883Z",
   "subscribers": 64435,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:37:10.017Z",
   "subscribers": 64400,
   "source": 4
  },
  {
   "ts": "2026-08-25T22:33:55.322Z",
   "subscribers": 64382,
   "source": 4
  },
  {
   "ts": "2026-08-27T00:56:07.070Z",
   "subscribers": 64365,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:27:06.422Z",
   "subscribers": 64351,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:03:21.722Z",
   "subscribers": 64333,
   "source": 4
  },
  {
   "ts": "2026-08-30T07:35:49.172Z",
   "subscribers": 64324,
   "source": 4
  },
  {
   "ts": "2026-08-31T07:12:44.066Z",
   "subscribers": 64293,
   "source": 4
  },
  {
   "ts": "2026-09-01T07:36:54.344Z",
   "subscribers": 64274,
   "source": 4
  },
  {
   "ts": "2026-09-02T10:04:01.305Z",
   "subscribers": 64255,
   "source": 4
  },
  {
   "ts": "2026-09-03T13:58:21.221Z",
   "subscribers": 64222,
   "source": 4
  },
  {
   "ts": "2026-09-05T06:19:17.615Z",
   "subscribers": 64169,
   "source": 4
  },
  {
   "ts": "2026-09-08T13:58:15.379Z",
   "subscribers": 64094,
   "source": 4
  }
 ]
}