{
 "meta": {
  "dataset": "Subscriber history — @MasterClassCollection",
  "channel": "https://tgregister.com/channel/MasterClassCollection",
  "retrieved_at": "2026-08-29T03:58:04.668Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 21,
  "window": {
   "from": "2026-08-06T23:45:15.027Z",
   "to": "2026-08-28T11:25:20.368Z"
  },
  "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": "2026-08-06T23:45:15.027Z",
   "subscribers": 22035,
   "source": 3
  },
  {
   "ts": "2026-08-07T02:12:35.595Z",
   "subscribers": 22034,
   "source": 4
  },
  {
   "ts": "2026-08-07T23:08:14.501Z",
   "subscribers": 22027,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:05:20.921Z",
   "subscribers": 22023,
   "source": 4
  },
  {
   "ts": "2026-08-10T02:17:41.920Z",
   "subscribers": 22018,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:48:53.382Z",
   "subscribers": 21998,
   "source": 4
  },
  {
   "ts": "2026-08-12T07:34:59.378Z",
   "subscribers": 21990,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:36:25.850Z",
   "subscribers": 21982,
   "source": 4
  },
  {
   "ts": "2026-08-14T18:25:14.010Z",
   "subscribers": 21975,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:18:08.324Z",
   "subscribers": 21967,
   "source": 4
  },
  {
   "ts": "2026-08-17T15:36:54.633Z",
   "subscribers": 21953,
   "source": 4
  },
  {
   "ts": "2026-08-18T12:46:44.272Z",
   "subscribers": 21941,
   "source": 4
  },
  {
   "ts": "2026-08-19T13:02:17.907Z",
   "subscribers": 21936,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:18:21.045Z",
   "subscribers": 21933,
   "source": 4
  },
  {
   "ts": "2026-08-21T15:47:28.993Z",
   "subscribers": 21932,
   "source": 4
  },
  {
   "ts": "2026-08-22T22:36:04.012Z",
   "subscribers": 21922,
   "source": 4
  },
  {
   "ts": "2026-08-24T15:12:54.038Z",
   "subscribers": 21916,
   "source": 4
  },
  {
   "ts": "2026-08-25T16:16:25.977Z",
   "subscribers": 21905,
   "source": 4
  },
  {
   "ts": "2026-08-26T14:28:49.113Z",
   "subscribers": 21897,
   "source": 4
  },
  {
   "ts": "2026-08-27T11:13:58.504Z",
   "subscribers": 21894,
   "source": 4
  },
  {
   "ts": "2026-08-28T11:25:20.368Z",
   "subscribers": 21893,
   "source": 4
  }
 ]
}