{
 "meta": {
  "dataset": "Subscriber history — @GPTChatRBot",
  "channel": "https://tgregister.com/channel/GPTChatRBot",
  "retrieved_at": "2026-09-06T02:25:44.354Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 21,
  "window": {
   "from": "2026-08-07T10:17:42.275Z",
   "to": "2026-09-04T05:01:39.312Z"
  },
  "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": "2026-08-07T10:17:42.275Z",
   "subscribers": 19244,
   "source": 0
  },
  {
   "ts": "2026-08-08T05:42:17.208Z",
   "subscribers": 18940,
   "source": 4
  },
  {
   "ts": "2026-08-09T23:46:21.568Z",
   "subscribers": 18508,
   "source": 4
  },
  {
   "ts": "2026-08-11T21:03:13.967Z",
   "subscribers": 17950,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:46:16.016Z",
   "subscribers": 17385,
   "source": 4
  },
  {
   "ts": "2026-08-15T04:43:41.480Z",
   "subscribers": 17761,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:45:00.768Z",
   "subscribers": 17650,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:39:45.690Z",
   "subscribers": 17650,
   "source": 1
  },
  {
   "ts": "2026-08-17T20:26:39.952Z",
   "subscribers": 17118,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:33:21.061Z",
   "subscribers": 17334,
   "source": 4
  },
  {
   "ts": "2026-08-20T17:03:13.873Z",
   "subscribers": 17247,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:07:43.746Z",
   "subscribers": 17075,
   "source": 4
  },
  {
   "ts": "2026-08-25T00:41:51.530Z",
   "subscribers": 16950,
   "source": 4
  },
  {
   "ts": "2026-08-25T23:23:54.796Z",
   "subscribers": 16846,
   "source": 4
  },
  {
   "ts": "2026-08-27T01:42:03.758Z",
   "subscribers": 16770,
   "source": 4
  },
  {
   "ts": "2026-08-27T22:26:45.197Z",
   "subscribers": 16462,
   "source": 4
  },
  {
   "ts": "2026-08-28T21:57:11.293Z",
   "subscribers": 16274,
   "source": 4
  },
  {
   "ts": "2026-08-29T20:13:36.814Z",
   "subscribers": 16091,
   "source": 4
  },
  {
   "ts": "2026-08-30T19:45:04.343Z",
   "subscribers": 15910,
   "source": 4
  },
  {
   "ts": "2026-09-01T18:05:07.296Z",
   "subscribers": 15715,
   "source": 4
  },
  {
   "ts": "2026-09-04T05:01:39.312Z",
   "subscribers": 15991,
   "source": 4
  }
 ]
}