{
 "meta": {
  "dataset": "Subscriber history — @edu_math",
  "channel": "https://tgregister.com/channel/edu_math",
  "retrieved_at": "2026-08-29T20:29:24.971Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 23,
  "window": {
   "from": "2026-08-05T18:18:37.372Z",
   "to": "2026-08-29T08:08:08.746Z"
  },
  "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": "2026-08-05T18:18:37.372Z",
   "subscribers": 16718,
   "source": 1
  },
  {
   "ts": "2026-08-06T01:50:35.181Z",
   "subscribers": 16721,
   "source": 4
  },
  {
   "ts": "2026-08-07T01:43:30.185Z",
   "subscribers": 16718,
   "source": 4
  },
  {
   "ts": "2026-08-08T02:47:37.221Z",
   "subscribers": 16714,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:21:18.268Z",
   "subscribers": 16710,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:17:11.928Z",
   "subscribers": 16713,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:06:51.833Z",
   "subscribers": 16709,
   "source": 4
  },
  {
   "ts": "2026-08-11T17:43:48.600Z",
   "subscribers": 16705,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:27:38.358Z",
   "subscribers": 16708,
   "source": 4
  },
  {
   "ts": "2026-08-14T03:14:49.173Z",
   "subscribers": 16702,
   "source": 4
  },
  {
   "ts": "2026-08-15T12:27:14.537Z",
   "subscribers": 16703,
   "source": 4
  },
  {
   "ts": "2026-08-16T20:18:28.014Z",
   "subscribers": 16702,
   "source": 4
  },
  {
   "ts": "2026-08-17T22:43:07.858Z",
   "subscribers": 16700,
   "source": 4
  },
  {
   "ts": "2026-08-19T02:12:05.986Z",
   "subscribers": 16701,
   "source": 4
  },
  {
   "ts": "2026-08-20T03:33:12.398Z",
   "subscribers": 16696,
   "source": 4
  },
  {
   "ts": "2026-08-21T03:11:56.595Z",
   "subscribers": 16691,
   "source": 4
  },
  {
   "ts": "2026-08-22T10:45:57.426Z",
   "subscribers": 16689,
   "source": 4
  },
  {
   "ts": "2026-08-24T05:39:11.808Z",
   "subscribers": 16669,
   "source": 4
  },
  {
   "ts": "2026-08-25T08:08:04.942Z",
   "subscribers": 16664,
   "source": 4
  },
  {
   "ts": "2026-08-26T11:12:38.871Z",
   "subscribers": 16661,
   "source": 4
  },
  {
   "ts": "2026-08-27T10:58:10.556Z",
   "subscribers": 16656,
   "source": 4
  },
  {
   "ts": "2026-08-28T11:18:03.019Z",
   "subscribers": 16652,
   "source": 4
  },
  {
   "ts": "2026-08-29T08:08:08.746Z",
   "subscribers": 16644,
   "source": 4
  }
 ]
}