{
 "meta": {
  "dataset": "Subscriber history — @QingfengclassiT1",
  "channel": "https://tgregister.com/channel/QingfengclassiT1",
  "retrieved_at": "2026-09-11T14:39:34.877Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T19:37:41.700Z",
   "to": "2026-09-08T22:35:29.893Z"
  },
  "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": "2026-08-07T19:37:41.700Z",
   "subscribers": 15223,
   "source": 0
  },
  {
   "ts": "2026-08-08T05:09:23.641Z",
   "subscribers": 15206,
   "source": 4
  },
  {
   "ts": "2026-08-09T05:03:02.520Z",
   "subscribers": 15150,
   "source": 4
  },
  {
   "ts": "2026-08-10T07:41:01.505Z",
   "subscribers": 15048,
   "source": 4
  },
  {
   "ts": "2026-08-11T11:16:47.644Z",
   "subscribers": 14982,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:14:34.805Z",
   "subscribers": 15455,
   "source": 4
  },
  {
   "ts": "2026-08-13T10:16:38.803Z",
   "subscribers": 15423,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:25:42.996Z",
   "subscribers": 15856,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:07:32.552Z",
   "subscribers": 15765,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:28:36.803Z",
   "subscribers": 15676,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:14:53.784Z",
   "subscribers": 16656,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:23:17.137Z",
   "subscribers": 16656,
   "source": 1
  },
  {
   "ts": "2026-08-19T09:15:55.918Z",
   "subscribers": 16618,
   "source": 4
  },
  {
   "ts": "2026-08-20T12:37:42.478Z",
   "subscribers": 16577,
   "source": 4
  },
  {
   "ts": "2026-08-21T10:36:42.185Z",
   "subscribers": 16222,
   "source": 4
  },
  {
   "ts": "2026-08-22T23:08:47.874Z",
   "subscribers": 15991,
   "source": 4
  },
  {
   "ts": "2026-08-24T17:54:42.754Z",
   "subscribers": 15851,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:12:36.814Z",
   "subscribers": 15794,
   "source": 4
  },
  {
   "ts": "2026-08-26T17:45:13.385Z",
   "subscribers": 15766,
   "source": 4
  },
  {
   "ts": "2026-08-27T16:59:13.862Z",
   "subscribers": 15744,
   "source": 4
  },
  {
   "ts": "2026-08-28T15:33:54.367Z",
   "subscribers": 15644,
   "source": 4
  },
  {
   "ts": "2026-08-29T14:06:40.833Z",
   "subscribers": 15664,
   "source": 4
  },
  {
   "ts": "2026-08-30T11:07:33.065Z",
   "subscribers": 15652,
   "source": 4
  },
  {
   "ts": "2026-08-31T13:13:30.520Z",
   "subscribers": 15623,
   "source": 4
  },
  {
   "ts": "2026-09-01T11:04:14.209Z",
   "subscribers": 15557,
   "source": 4
  },
  {
   "ts": "2026-09-02T10:33:33.964Z",
   "subscribers": 15508,
   "source": 4
  },
  {
   "ts": "2026-09-03T15:55:02.364Z",
   "subscribers": 15425,
   "source": 4
  },
  {
   "ts": "2026-09-05T17:20:27.064Z",
   "subscribers": 15368,
   "source": 4
  },
  {
   "ts": "2026-09-08T22:35:29.893Z",
   "subscribers": 15437,
   "source": 4
  }
 ]
}