{
 "meta": {
  "dataset": "Subscriber history — @cao_chat",
  "channel": "https://tgregister.com/channel/cao_chat",
  "retrieved_at": "2026-09-16T09:47:53.364Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-07T16:41:54.602Z",
   "to": "2026-09-16T00:21:33.989Z"
  },
  "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": "2026-08-07T16:41:54.602Z",
   "subscribers": 4131,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:57:12.698Z",
   "subscribers": 4133,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:17:05.464Z",
   "subscribers": 4142,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:54:40.246Z",
   "subscribers": 4146,
   "source": 4
  },
  {
   "ts": "2026-08-17T13:17:36.882Z",
   "subscribers": 4147,
   "source": 4
  },
  {
   "ts": "2026-08-20T11:04:28.324Z",
   "subscribers": 4157,
   "source": 4
  },
  {
   "ts": "2026-08-24T04:17:07.771Z",
   "subscribers": 4158,
   "source": 4
  },
  {
   "ts": "2026-08-26T22:43:26.435Z",
   "subscribers": 4166,
   "source": 4
  },
  {
   "ts": "2026-08-30T08:35:18.614Z",
   "subscribers": 4164,
   "source": 4
  },
  {
   "ts": "2026-09-02T11:17:57.732Z",
   "subscribers": 4165,
   "source": 4
  },
  {
   "ts": "2026-09-04T22:31:31.808Z",
   "subscribers": 4165,
   "source": 1
  },
  {
   "ts": "2026-09-07T20:01:39.663Z",
   "subscribers": 4173,
   "source": 4
  },
  {
   "ts": "2026-09-11T21:19:06.732Z",
   "subscribers": 4188,
   "source": 4
  },
  {
   "ts": "2026-09-16T00:21:33.989Z",
   "subscribers": 4208,
   "source": 4
  }
 ]
}