{
 "meta": {
  "dataset": "Subscriber history — @beijing39",
  "channel": "https://tgregister.com/channel/beijing39",
  "retrieved_at": "2026-09-06T03:39:59.610Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-07T18:17:56.858Z",
   "to": "2026-09-03T18:01:05.459Z"
  },
  "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": "2026-08-07T18:17:56.858Z",
   "subscribers": 3631,
   "source": 3
  },
  {
   "ts": "2026-08-08T15:45:39.797Z",
   "subscribers": 3637,
   "source": 4
  },
  {
   "ts": "2026-08-11T16:42:04.738Z",
   "subscribers": 3645,
   "source": 4
  },
  {
   "ts": "2026-08-14T19:24:09.257Z",
   "subscribers": 3653,
   "source": 4
  },
  {
   "ts": "2026-08-18T05:12:40.798Z",
   "subscribers": 3659,
   "source": 4
  },
  {
   "ts": "2026-08-21T11:18:43.732Z",
   "subscribers": 3679,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:46:02.623Z",
   "subscribers": 3700,
   "source": 4
  },
  {
   "ts": "2026-08-27T15:07:46.116Z",
   "subscribers": 3706,
   "source": 4
  },
  {
   "ts": "2026-08-30T23:33:59.477Z",
   "subscribers": 3725,
   "source": 4
  },
  {
   "ts": "2026-09-03T18:01:05.459Z",
   "subscribers": 3748,
   "source": 4
  }
 ]
}