{
 "meta": {
  "dataset": "Subscriber history — @lessons_and_tutorials",
  "channel": "https://tgregister.com/channel/lessons_and_tutorials",
  "retrieved_at": "2026-08-30T18:13:52.034Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 20,
  "window": {
   "from": "2026-08-07T00:58:51.166Z",
   "to": "2026-08-30T13:04:32.763Z"
  },
  "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": "2026-08-07T00:58:51.166Z",
   "subscribers": 27841,
   "source": 0
  },
  {
   "ts": "2026-08-07T01:00:14.857Z",
   "subscribers": 27841,
   "source": 3
  },
  {
   "ts": "2026-08-07T16:06:31.074Z",
   "subscribers": 27836,
   "source": 4
  },
  {
   "ts": "2026-08-09T17:41:23.851Z",
   "subscribers": 27850,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:44:45.890Z",
   "subscribers": 27849,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:05:48.586Z",
   "subscribers": 27847,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:25:47.062Z",
   "subscribers": 27846,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:47:06.172Z",
   "subscribers": 27839,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:16:29.856Z",
   "subscribers": 27842,
   "source": 4
  },
  {
   "ts": "2026-08-19T13:32:48.419Z",
   "subscribers": 27836,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:25:05.090Z",
   "subscribers": 27834,
   "source": 4
  },
  {
   "ts": "2026-08-21T06:55:05.640Z",
   "subscribers": 27841,
   "source": 4
  },
  {
   "ts": "2026-08-22T17:18:05.649Z",
   "subscribers": 27844,
   "source": 4
  },
  {
   "ts": "2026-08-24T09:36:52.468Z",
   "subscribers": 27836,
   "source": 4
  },
  {
   "ts": "2026-08-25T10:05:03.008Z",
   "subscribers": 27835,
   "source": 4
  },
  {
   "ts": "2026-08-26T09:29:00.084Z",
   "subscribers": 27833,
   "source": 4
  },
  {
   "ts": "2026-08-27T09:36:38.212Z",
   "subscribers": 27829,
   "source": 4
  },
  {
   "ts": "2026-08-28T13:12:04.882Z",
   "subscribers": 27828,
   "source": 4
  },
  {
   "ts": "2026-08-29T13:14:48.394Z",
   "subscribers": 27830,
   "source": 4
  },
  {
   "ts": "2026-08-30T13:04:32.763Z",
   "subscribers": 27825,
   "source": 4
  }
 ]
}