{
 "meta": {
  "dataset": "Subscriber history — @learn_geo",
  "channel": "https://tgregister.com/channel/learn_geo",
  "retrieved_at": "2026-08-18T00:32:44.685Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-06T20:53:35.608Z",
   "to": "2026-08-17T19:44:46.225Z"
  },
  "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": "2026-08-06T20:53:35.608Z",
   "subscribers": 17338,
   "source": 0
  },
  {
   "ts": "2026-08-06T21:00:24.732Z",
   "subscribers": 17338,
   "source": 3
  },
  {
   "ts": "2026-08-07T20:57:32.414Z",
   "subscribers": 17335,
   "source": 4
  },
  {
   "ts": "2026-08-08T18:14:22.911Z",
   "subscribers": 17339,
   "source": 4
  },
  {
   "ts": "2026-08-09T18:12:13.691Z",
   "subscribers": 17332,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:56:20.640Z",
   "subscribers": 17327,
   "source": 4
  },
  {
   "ts": "2026-08-11T17:11:39.129Z",
   "subscribers": 17320,
   "source": 4
  },
  {
   "ts": "2026-08-12T14:37:07.670Z",
   "subscribers": 17317,
   "source": 4
  },
  {
   "ts": "2026-08-13T16:18:57.226Z",
   "subscribers": 17323,
   "source": 4
  },
  {
   "ts": "2026-08-14T23:08:04.346Z",
   "subscribers": 17319,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:53:31.143Z",
   "subscribers": 17309,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:44:46.225Z",
   "subscribers": 17305,
   "source": 4
  }
 ]
}
