{
 "meta": {
  "dataset": "Subscriber history — @BERTONSOL",
  "channel": "https://tgregister.com/channel/BERTONSOL",
  "retrieved_at": "2026-09-11T13:59:21.477Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-11T20:17:12.786Z",
   "to": "2026-09-09T05:56:21.662Z"
  },
  "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": "2026-08-11T20:17:12.786Z",
   "subscribers": 4946,
   "source": 0
  },
  {
   "ts": "2026-08-12T00:32:26.948Z",
   "subscribers": 4945,
   "source": 4
  },
  {
   "ts": "2026-08-15T20:14:59.888Z",
   "subscribers": 4855,
   "source": 4
  },
  {
   "ts": "2026-08-18T18:57:47.193Z",
   "subscribers": 4800,
   "source": 4
  },
  {
   "ts": "2026-08-22T13:36:45.611Z",
   "subscribers": 4766,
   "source": 4
  },
  {
   "ts": "2026-08-25T09:05:19.962Z",
   "subscribers": 4742,
   "source": 4
  },
  {
   "ts": "2026-08-28T15:19:06.721Z",
   "subscribers": 4721,
   "source": 4
  },
  {
   "ts": "2026-08-31T06:06:20.344Z",
   "subscribers": 4683,
   "source": 4
  },
  {
   "ts": "2026-09-02T21:44:24.086Z",
   "subscribers": 4683,
   "source": 1
  },
  {
   "ts": "2026-09-03T19:40:45.985Z",
   "subscribers": 4652,
   "source": 4
  },
  {
   "ts": "2026-09-09T05:56:21.662Z",
   "subscribers": 4640,
   "source": 4
  }
 ]
}