{
 "meta": {
  "dataset": "Subscriber history — @coursefolder",
  "channel": "https://tgregister.com/channel/coursefolder",
  "retrieved_at": "2026-08-13T13:26:43.627Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 9,
  "window": {
   "from": "2026-08-06T14:29:58.397Z",
   "to": "2026-08-13T01:45:42.554Z"
  },
  "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": "2026-08-06T14:29:58.397Z",
   "subscribers": 38156,
   "source": 0
  },
  {
   "ts": "2026-08-06T14:30:21.058Z",
   "subscribers": 38156,
   "source": 3
  },
  {
   "ts": "2026-08-07T00:30:14.975Z",
   "subscribers": 38146,
   "source": 4
  },
  {
   "ts": "2026-08-07T21:21:09.770Z",
   "subscribers": 38132,
   "source": 4
  },
  {
   "ts": "2026-08-09T00:54:53.558Z",
   "subscribers": 38122,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:42:46.117Z",
   "subscribers": 38112,
   "source": 4
  },
  {
   "ts": "2026-08-10T23:26:35.173Z",
   "subscribers": 38105,
   "source": 4
  },
  {
   "ts": "2026-08-11T23:12:54.290Z",
   "subscribers": 38098,
   "source": 4
  },
  {
   "ts": "2026-08-13T01:45:42.554Z",
   "subscribers": 38092,
   "source": 4
  }
 ]
}