{
 "meta": {
  "dataset": "Subscriber history — @upupskill",
  "channel": "https://tgregister.com/channel/upupskill",
  "retrieved_at": "2026-08-27T04:37:29.508Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 19,
  "window": {
   "from": "2026-08-06T17:52:08.111Z",
   "to": "2026-08-26T23:52:50.848Z"
  },
  "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": "2026-08-06T17:52:08.111Z",
   "subscribers": 10674,
   "source": 0
  },
  {
   "ts": "2026-08-06T18:00:33.634Z",
   "subscribers": 10674,
   "source": 3
  },
  {
   "ts": "2026-08-07T12:56:36.775Z",
   "subscribers": 10673,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:21:34.636Z",
   "subscribers": 10667,
   "source": 4
  },
  {
   "ts": "2026-08-09T17:42:48.962Z",
   "subscribers": 10663,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:13:00.000Z",
   "subscribers": 10657,
   "source": 4
  },
  {
   "ts": "2026-08-11T20:14:10.172Z",
   "subscribers": 10647,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:53:40.362Z",
   "subscribers": 10640,
   "source": 4
  },
  {
   "ts": "2026-08-14T07:08:12.255Z",
   "subscribers": 10633,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:53:31.266Z",
   "subscribers": 10628,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:43:21.966Z",
   "subscribers": 10620,
   "source": 4
  },
  {
   "ts": "2026-08-18T13:49:09.440Z",
   "subscribers": 10608,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:54:15.263Z",
   "subscribers": 10605,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:51:55.154Z",
   "subscribers": 10601,
   "source": 4
  },
  {
   "ts": "2026-08-21T21:07:56.497Z",
   "subscribers": 10597,
   "source": 4
  },
  {
   "ts": "2026-08-23T06:44:38.456Z",
   "subscribers": 10589,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:27:32.618Z",
   "subscribers": 10584,
   "source": 4
  },
  {
   "ts": "2026-08-25T21:33:39.526Z",
   "subscribers": 10583,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:52:50.848Z",
   "subscribers": 10581,
   "source": 4
  }
 ]
}