{
 "meta": {
  "dataset": "Subscriber history — @bcs_express",
  "channel": "https://tgregister.com/channel/bcs_express",
  "retrieved_at": "2026-08-17T19:36:31.518Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-05T17:18:47.261Z",
   "to": "2026-08-17T10:17:33.223Z"
  },
  "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": "2026-08-05T17:18:47.261Z",
   "subscribers": 57163,
   "source": 1
  },
  {
   "ts": "2026-08-06T21:20:35.439Z",
   "subscribers": 57181,
   "source": 4
  },
  {
   "ts": "2026-08-07T23:37:38.560Z",
   "subscribers": 57175,
   "source": 4
  },
  {
   "ts": "2026-08-08T22:26:43.457Z",
   "subscribers": 57179,
   "source": 4
  },
  {
   "ts": "2026-08-09T19:32:04.461Z",
   "subscribers": 57194,
   "source": 4
  },
  {
   "ts": "2026-08-10T20:09:02.121Z",
   "subscribers": 57235,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:43:45.454Z",
   "subscribers": 57231,
   "source": 4
  },
  {
   "ts": "2026-08-12T23:04:09.130Z",
   "subscribers": 57215,
   "source": 4
  },
  {
   "ts": "2026-08-14T07:56:19.006Z",
   "subscribers": 57208,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:45:30.722Z",
   "subscribers": 57186,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:17:33.223Z",
   "subscribers": 57191,
   "source": 4
  }
 ]
}
