{
 "meta": {
  "dataset": "Subscriber history — @mathematics_learn",
  "channel": "https://tgregister.com/channel/mathematics_learn",
  "retrieved_at": "2026-09-10T07:26:37.513Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-06T19:53:53.092Z",
   "to": "2026-09-08T08:55:58.354Z"
  },
  "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": "2026-08-06T19:53:53.092Z",
   "subscribers": 11436,
   "source": 0
  },
  {
   "ts": "2026-08-08T20:06:26.576Z",
   "subscribers": 11441,
   "source": 4
  },
  {
   "ts": "2026-08-09T18:12:56.660Z",
   "subscribers": 11444,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:22:38.904Z",
   "subscribers": 11436,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:27:19.227Z",
   "subscribers": 11439,
   "source": 4
  },
  {
   "ts": "2026-08-12T17:44:49.812Z",
   "subscribers": 11445,
   "source": 4
  },
  {
   "ts": "2026-08-13T17:16:24.509Z",
   "subscribers": 11451,
   "source": 4
  },
  {
   "ts": "2026-08-15T02:58:57.502Z",
   "subscribers": 11460,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:16:49.960Z",
   "subscribers": 11466,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:13:17.635Z",
   "subscribers": 11462,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:08:14.798Z",
   "subscribers": 11464,
   "source": 4
  },
  {
   "ts": "2026-08-20T17:42:39.477Z",
   "subscribers": 11466,
   "source": 4
  },
  {
   "ts": "2026-08-21T17:12:29.662Z",
   "subscribers": 11466,
   "source": 1
  },
  {
   "ts": "2026-08-21T23:36:30.026Z",
   "subscribers": 11457,
   "source": 4
  },
  {
   "ts": "2026-08-23T11:38:59.835Z",
   "subscribers": 11453,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:45:49.710Z",
   "subscribers": 11456,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:02:50.651Z",
   "subscribers": 11447,
   "source": 4
  },
  {
   "ts": "2026-08-27T00:15:07.235Z",
   "subscribers": 11448,
   "source": 4
  },
  {
   "ts": "2026-08-27T22:45:41.383Z",
   "subscribers": 11450,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:03:06.661Z",
   "subscribers": 11459,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:56:38.405Z",
   "subscribers": 11466,
   "source": 4
  },
  {
   "ts": "2026-08-31T01:38:02.906Z",
   "subscribers": 11469,
   "source": 4
  },
  {
   "ts": "2026-09-01T05:06:40.953Z",
   "subscribers": 11470,
   "source": 4
  },
  {
   "ts": "2026-09-02T06:53:44.833Z",
   "subscribers": 11475,
   "source": 4
  },
  {
   "ts": "2026-09-03T11:56:45.953Z",
   "subscribers": 11472,
   "source": 4
  },
  {
   "ts": "2026-09-05T04:00:56.068Z",
   "subscribers": 11480,
   "source": 4
  },
  {
   "ts": "2026-09-08T08:55:58.354Z",
   "subscribers": 11482,
   "source": 4
  }
 ]
}