{
 "meta": {
  "dataset": "Subscriber history — @dental_case_study",
  "channel": "https://tgregister.com/channel/dental_case_study",
  "retrieved_at": "2026-09-12T14:39:09.413Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-07T00:47:58.718Z",
   "to": "2026-09-11T14:57:53.325Z"
  },
  "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": "2026-08-07T00:47:58.718Z",
   "subscribers": 14452,
   "source": 0
  },
  {
   "ts": "2026-08-07T11:45:30.271Z",
   "subscribers": 14451,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:05:03.527Z",
   "subscribers": 14448,
   "source": 4
  },
  {
   "ts": "2026-08-09T13:21:15.495Z",
   "subscribers": 14443,
   "source": 4
  },
  {
   "ts": "2026-08-10T14:12:49.910Z",
   "subscribers": 14437,
   "source": 4
  },
  {
   "ts": "2026-08-11T12:43:07.390Z",
   "subscribers": 14435,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:27:38.954Z",
   "subscribers": 14437,
   "source": 4
  },
  {
   "ts": "2026-08-13T10:07:09.958Z",
   "subscribers": 14438,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:16:38.212Z",
   "subscribers": 14431,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:24:22.387Z",
   "subscribers": 14436,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:25:53.806Z",
   "subscribers": 14432,
   "source": 4
  },
  {
   "ts": "2026-08-19T10:02:33.999Z",
   "subscribers": 14432,
   "source": 1
  },
  {
   "ts": "2026-08-19T20:03:27.709Z",
   "subscribers": 14427,
   "source": 4
  },
  {
   "ts": "2026-08-22T06:13:00.064Z",
   "subscribers": 14424,
   "source": 4
  },
  {
   "ts": "2026-08-23T17:17:52.600Z",
   "subscribers": 14416,
   "source": 4
  },
  {
   "ts": "2026-08-25T02:58:29.242Z",
   "subscribers": 14408,
   "source": 4
  },
  {
   "ts": "2026-08-26T06:22:34.803Z",
   "subscribers": 14406,
   "source": 4
  },
  {
   "ts": "2026-08-28T06:23:47.059Z",
   "subscribers": 14401,
   "source": 4
  },
  {
   "ts": "2026-08-29T05:12:09.051Z",
   "subscribers": 14402,
   "source": 4
  },
  {
   "ts": "2026-08-30T04:34:39.466Z",
   "subscribers": 14400,
   "source": 4
  },
  {
   "ts": "2026-08-31T04:38:14.596Z",
   "subscribers": 14391,
   "source": 4
  },
  {
   "ts": "2026-09-01T07:08:32.696Z",
   "subscribers": 14384,
   "source": 4
  },
  {
   "ts": "2026-09-02T08:27:28.525Z",
   "subscribers": 14380,
   "source": 4
  },
  {
   "ts": "2026-09-03T16:02:12.556Z",
   "subscribers": 14374,
   "source": 4
  },
  {
   "ts": "2026-09-05T21:19:57.323Z",
   "subscribers": 14370,
   "source": 4
  },
  {
   "ts": "2026-09-09T01:37:51.987Z",
   "subscribers": 14360,
   "source": 4
  },
  {
   "ts": "2026-09-11T14:57:53.325Z",
   "subscribers": 14349,
   "source": 4
  }
 ]
}
