{
 "meta": {
  "dataset": "Subscriber history — @mathtutorliza",
  "channel": "https://tgregister.com/channel/mathtutorliza",
  "retrieved_at": "2026-09-16T11:46:49.286Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-07T12:59:53.205Z",
   "to": "2026-09-14T22:38:28.479Z"
  },
  "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": "2026-08-07T12:59:53.205Z",
   "subscribers": 3416,
   "source": 0
  },
  {
   "ts": "2026-08-07T13:18:27.917Z",
   "subscribers": 3416,
   "source": 3
  },
  {
   "ts": "2026-08-08T12:32:30.729Z",
   "subscribers": 3400,
   "source": 4
  },
  {
   "ts": "2026-08-11T07:21:30.539Z",
   "subscribers": 3366,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:07:45.798Z",
   "subscribers": 3321,
   "source": 4
  },
  {
   "ts": "2026-08-18T01:15:09.175Z",
   "subscribers": 3252,
   "source": 4
  },
  {
   "ts": "2026-08-21T01:52:55.736Z",
   "subscribers": 3225,
   "source": 4
  },
  {
   "ts": "2026-08-24T16:18:28.842Z",
   "subscribers": 3197,
   "source": 4
  },
  {
   "ts": "2026-08-27T07:46:06.918Z",
   "subscribers": 3165,
   "source": 4
  },
  {
   "ts": "2026-08-30T06:58:11.797Z",
   "subscribers": 3123,
   "source": 4
  },
  {
   "ts": "2026-09-02T02:43:34.141Z",
   "subscribers": 3078,
   "source": 4
  },
  {
   "ts": "2026-09-06T15:36:20.030Z",
   "subscribers": 3035,
   "source": 4
  },
  {
   "ts": "2026-09-11T08:02:08.833Z",
   "subscribers": 3009,
   "source": 4
  },
  {
   "ts": "2026-09-14T22:38:28.479Z",
   "subscribers": 2984,
   "source": 4
  }
 ]
}