{
 "meta": {
  "dataset": "Subscriber history — @extremetutorial",
  "channel": "https://tgregister.com/channel/extremetutorial",
  "retrieved_at": "2026-08-23T09:42:04.518Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 17,
  "window": {
   "from": "2026-08-07T01:36:24.565Z",
   "to": "2026-08-22T12:33:11.700Z"
  },
  "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": "2026-08-07T01:36:24.565Z",
   "subscribers": 57146,
   "source": 0
  },
  {
   "ts": "2026-08-07T04:12:12.769Z",
   "subscribers": 57139,
   "source": 4
  },
  {
   "ts": "2026-08-08T01:38:54.452Z",
   "subscribers": 57297,
   "source": 4
  },
  {
   "ts": "2026-08-08T22:21:15.410Z",
   "subscribers": 57339,
   "source": 4
  },
  {
   "ts": "2026-08-09T20:11:14.574Z",
   "subscribers": 57340,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:14:52.396Z",
   "subscribers": 57572,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:57:04.482Z",
   "subscribers": 57572,
   "source": 1
  },
  {
   "ts": "2026-08-11T19:58:35.435Z",
   "subscribers": 57790,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:44:29.610Z",
   "subscribers": 57695,
   "source": 4
  },
  {
   "ts": "2026-08-13T23:47:10.873Z",
   "subscribers": 57784,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:27:05.188Z",
   "subscribers": 57836,
   "source": 4
  },
  {
   "ts": "2026-08-16T22:26:19.190Z",
   "subscribers": 57763,
   "source": 4
  },
  {
   "ts": "2026-08-18T00:18:52.720Z",
   "subscribers": 57680,
   "source": 4
  },
  {
   "ts": "2026-08-19T02:06:58.857Z",
   "subscribers": 57849,
   "source": 4
  },
  {
   "ts": "2026-08-20T02:02:58.392Z",
   "subscribers": 57899,
   "source": 4
  },
  {
   "ts": "2026-08-21T05:16:57.411Z",
   "subscribers": 57933,
   "source": 4
  },
  {
   "ts": "2026-08-22T12:33:11.700Z",
   "subscribers": 57994,
   "source": 4
  }
 ]
}