{
 "meta": {
  "dataset": "Subscriber history — @GPT4TChannel",
  "channel": "https://tgregister.com/channel/GPT4TChannel",
  "retrieved_at": "2026-08-19T13:53:57.748Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-06T00:56:40.737Z",
   "to": "2026-08-19T09:46:45.663Z"
  },
  "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": "2026-08-06T00:56:40.737Z",
   "subscribers": 943620,
   "source": 0
  },
  {
   "ts": "2026-08-06T01:30:20.379Z",
   "subscribers": 943620,
   "source": 3
  },
  {
   "ts": "2026-08-06T18:10:14.874Z",
   "subscribers": 943515,
   "source": 4
  },
  {
   "ts": "2026-08-07T18:03:16.508Z",
   "subscribers": 943299,
   "source": 4
  },
  {
   "ts": "2026-08-08T18:53:00.437Z",
   "subscribers": 943068,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:12:54.217Z",
   "subscribers": 942911,
   "source": 4
  },
  {
   "ts": "2026-08-11T00:14:11.103Z",
   "subscribers": 943379,
   "source": 4
  },
  {
   "ts": "2026-08-12T00:42:28.871Z",
   "subscribers": 943533,
   "source": 4
  },
  {
   "ts": "2026-08-13T00:15:05.118Z",
   "subscribers": 943655,
   "source": 4
  },
  {
   "ts": "2026-08-14T09:36:29.388Z",
   "subscribers": 943578,
   "source": 4
  },
  {
   "ts": "2026-08-15T18:12:07.671Z",
   "subscribers": 943315,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:58:09.738Z",
   "subscribers": 943357,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:03:27.983Z",
   "subscribers": 943936,
   "source": 4
  },
  {
   "ts": "2026-08-19T09:46:45.663Z",
   "subscribers": 944228,
   "source": 4
  }
 ]
}