{
 "meta": {
  "dataset": "Subscriber history — @udemy_dev",
  "channel": "https://tgregister.com/channel/udemy_dev",
  "retrieved_at": "2026-09-06T03:42:18.482Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T14:24:54.348Z",
   "to": "2026-09-04T20:39:36.939Z"
  },
  "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": "2026-08-07T14:24:54.348Z",
   "subscribers": 9461,
   "source": 0
  },
  {
   "ts": "2026-08-07T14:31:12.756Z",
   "subscribers": 9461,
   "source": 3
  },
  {
   "ts": "2026-08-07T19:00:29.626Z",
   "subscribers": 9463,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:31:04.781Z",
   "subscribers": 9456,
   "source": 4
  },
  {
   "ts": "2026-08-13T14:05:03.446Z",
   "subscribers": 9457,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:26:42.930Z",
   "subscribers": 9448,
   "source": 4
  },
  {
   "ts": "2026-08-20T18:45:58.901Z",
   "subscribers": 9444,
   "source": 4
  },
  {
   "ts": "2026-08-24T03:36:44.288Z",
   "subscribers": 9457,
   "source": 4
  },
  {
   "ts": "2026-08-27T01:59:21.316Z",
   "subscribers": 9450,
   "source": 4
  },
  {
   "ts": "2026-08-29T16:46:55.443Z",
   "subscribers": 9439,
   "source": 4
  },
  {
   "ts": "2026-09-01T13:04:39.111Z",
   "subscribers": 9456,
   "source": 4
  },
  {
   "ts": "2026-09-04T20:39:36.939Z",
   "subscribers": 9469,
   "source": 4
  }
 ]
}