{
 "meta": {
  "dataset": "Subscriber history — @UdemyCivilEngineer",
  "channel": "https://tgregister.com/channel/UdemyCivilEngineer",
  "retrieved_at": "2026-09-06T15:26:25.650Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T03:17:09.983Z",
   "to": "2026-09-03T09:43:17.495Z"
  },
  "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": "2026-08-07T03:17:09.983Z",
   "subscribers": 9706,
   "source": 0
  },
  {
   "ts": "2026-08-07T05:52:48.950Z",
   "subscribers": 9707,
   "source": 4
  },
  {
   "ts": "2026-08-10T15:04:13.830Z",
   "subscribers": 9708,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:26:15.538Z",
   "subscribers": 9716,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:52:48.542Z",
   "subscribers": 9721,
   "source": 4
  },
  {
   "ts": "2026-08-19T09:53:19.207Z",
   "subscribers": 9725,
   "source": 4
  },
  {
   "ts": "2026-08-22T13:32:41.666Z",
   "subscribers": 9736,
   "source": 4
  },
  {
   "ts": "2026-08-23T11:03:23.493Z",
   "subscribers": 9736,
   "source": 1
  },
  {
   "ts": "2026-08-25T05:24:10.844Z",
   "subscribers": 9734,
   "source": 4
  },
  {
   "ts": "2026-08-28T12:34:09.140Z",
   "subscribers": 9732,
   "source": 4
  },
  {
   "ts": "2026-08-31T03:46:20.841Z",
   "subscribers": 9726,
   "source": 4
  },
  {
   "ts": "2026-09-03T09:43:17.495Z",
   "subscribers": 9733,
   "source": 4
  }
 ]
}
