{
 "meta": {
  "dataset": "Subscriber history — @mdacademic",
  "channel": "https://tgregister.com/channel/mdacademic",
  "retrieved_at": "2026-09-11T22:21:19.343Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 30,
  "window": {
   "from": "2026-08-07T14:29:18.948Z",
   "to": "2026-09-10T00:20:03.415Z"
  },
  "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": "2026-08-07T14:29:18.948Z",
   "subscribers": 18874,
   "source": 0
  },
  {
   "ts": "2026-08-07T14:30:53.630Z",
   "subscribers": 18874,
   "source": 3
  },
  {
   "ts": "2026-08-07T18:04:01.917Z",
   "subscribers": 18881,
   "source": 4
  },
  {
   "ts": "2026-08-08T19:55:28.636Z",
   "subscribers": 18902,
   "source": 4
  },
  {
   "ts": "2026-08-09T16:34:12.201Z",
   "subscribers": 18920,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:36:29.196Z",
   "subscribers": 18930,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:46:43.760Z",
   "subscribers": 18939,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:35:31.754Z",
   "subscribers": 18948,
   "source": 4
  },
  {
   "ts": "2026-08-14T03:08:29.120Z",
   "subscribers": 18989,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:06:24.718Z",
   "subscribers": 19026,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:29:07.388Z",
   "subscribers": 19083,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:34:50.729Z",
   "subscribers": 19121,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:05:26.657Z",
   "subscribers": 19157,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:33:09.555Z",
   "subscribers": 19183,
   "source": 4
  },
  {
   "ts": "2026-08-20T21:43:21.921Z",
   "subscribers": 19259,
   "source": 4
  },
  {
   "ts": "2026-08-22T07:36:56.430Z",
   "subscribers": 19286,
   "source": 4
  },
  {
   "ts": "2026-08-24T03:07:19.636Z",
   "subscribers": 19335,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:45:35.835Z",
   "subscribers": 19394,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:57:20.426Z",
   "subscribers": 19436,
   "source": 4
  },
  {
   "ts": "2026-08-27T04:08:19.312Z",
   "subscribers": 19525,
   "source": 4
  },
  {
   "ts": "2026-08-28T03:54:58.951Z",
   "subscribers": 19558,
   "source": 4
  },
  {
   "ts": "2026-08-29T02:43:22.011Z",
   "subscribers": 19600,
   "source": 4
  },
  {
   "ts": "2026-08-30T01:07:16.799Z",
   "subscribers": 19627,
   "source": 4
  },
  {
   "ts": "2026-08-30T22:15:51.737Z",
   "subscribers": 19676,
   "source": 4
  },
  {
   "ts": "2026-08-31T22:15:08.791Z",
   "subscribers": 23268,
   "source": 4
  },
  {
   "ts": "2026-09-01T21:46:22.265Z",
   "subscribers": 21351,
   "source": 4
  },
  {
   "ts": "2026-09-02T21:38:07.037Z",
   "subscribers": 20496,
   "source": 4
  },
  {
   "ts": "2026-09-04T11:15:53.463Z",
   "subscribers": 20549,
   "source": 4
  },
  {
   "ts": "2026-09-06T20:39:24.508Z",
   "subscribers": 20635,
   "source": 4
  },
  {
   "ts": "2026-09-10T00:20:03.415Z",
   "subscribers": 20716,
   "source": 4
  }
 ]
}
