{
 "meta": {
  "dataset": "Subscriber history — @bookdescription1",
  "channel": "https://tgregister.com/channel/bookdescription1",
  "retrieved_at": "2026-09-12T16:23:55.763Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T20:28:03.728Z",
   "to": "2026-09-11T15:21:31.387Z"
  },
  "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": "2026-08-07T20:28:03.728Z",
   "subscribers": 39448,
   "source": 0
  },
  {
   "ts": "2026-08-08T12:45:10.979Z",
   "subscribers": 39474,
   "source": 4
  },
  {
   "ts": "2026-08-09T10:01:14.071Z",
   "subscribers": 39542,
   "source": 4
  },
  {
   "ts": "2026-08-10T09:01:36.415Z",
   "subscribers": 39599,
   "source": 4
  },
  {
   "ts": "2026-08-11T12:24:32.492Z",
   "subscribers": 39662,
   "source": 4
  },
  {
   "ts": "2026-08-12T09:32:10.902Z",
   "subscribers": 39710,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:06:47.262Z",
   "subscribers": 39710,
   "source": 1
  },
  {
   "ts": "2026-08-13T11:17:13.215Z",
   "subscribers": 39815,
   "source": 4
  },
  {
   "ts": "2026-08-14T17:57:35.716Z",
   "subscribers": 39892,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:14:55.483Z",
   "subscribers": 39975,
   "source": 4
  },
  {
   "ts": "2026-08-17T13:03:56.489Z",
   "subscribers": 40058,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:59:10.864Z",
   "subscribers": 40139,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:42:33.755Z",
   "subscribers": 40177,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:02:37.523Z",
   "subscribers": 40365,
   "source": 4
  },
  {
   "ts": "2026-08-22T02:47:11.407Z",
   "subscribers": 41022,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:43:35.660Z",
   "subscribers": 42209,
   "source": 4
  },
  {
   "ts": "2026-08-25T02:08:10.923Z",
   "subscribers": 43527,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:08:13.444Z",
   "subscribers": 44291,
   "source": 4
  },
  {
   "ts": "2026-08-27T01:02:56.652Z",
   "subscribers": 44989,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:38:10.871Z",
   "subscribers": 45804,
   "source": 4
  },
  {
   "ts": "2026-08-29T03:42:13.223Z",
   "subscribers": 46385,
   "source": 4
  },
  {
   "ts": "2026-08-30T06:54:26.700Z",
   "subscribers": 46778,
   "source": 4
  },
  {
   "ts": "2026-08-31T05:26:59.098Z",
   "subscribers": 47075,
   "source": 4
  },
  {
   "ts": "2026-09-01T07:28:07.105Z",
   "subscribers": 47256,
   "source": 4
  },
  {
   "ts": "2026-09-02T08:03:00.703Z",
   "subscribers": 47395,
   "source": 4
  },
  {
   "ts": "2026-09-03T17:18:54.191Z",
   "subscribers": 47562,
   "source": 4
  },
  {
   "ts": "2026-09-05T14:41:16.598Z",
   "subscribers": 47795,
   "source": 4
  },
  {
   "ts": "2026-09-08T23:59:48.479Z",
   "subscribers": 48143,
   "source": 4
  },
  {
   "ts": "2026-09-11T15:21:31.387Z",
   "subscribers": 48340,
   "source": 4
  }
 ]
}
