{
 "meta": {
  "dataset": "Subscriber history — @upscmapping",
  "channel": "https://tgregister.com/channel/upscmapping",
  "retrieved_at": "2026-09-11T16:18:32.748Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-12T08:45:10.026Z",
   "to": "2026-09-08T19:38:53.623Z"
  },
  "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": "2026-08-12T08:45:10.026Z",
   "subscribers": 7649,
   "source": 0
  },
  {
   "ts": "2026-08-15T08:16:53.186Z",
   "subscribers": 7633,
   "source": 4
  },
  {
   "ts": "2026-08-18T18:52:47.457Z",
   "subscribers": 7614,
   "source": 4
  },
  {
   "ts": "2026-08-21T11:56:38.328Z",
   "subscribers": 7613,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:13:30.365Z",
   "subscribers": 7592,
   "source": 4
  },
  {
   "ts": "2026-08-26T11:17:51.450Z",
   "subscribers": 7592,
   "source": 1
  },
  {
   "ts": "2026-08-27T19:53:29.814Z",
   "subscribers": 7585,
   "source": 4
  },
  {
   "ts": "2026-08-31T01:59:18.054Z",
   "subscribers": 7575,
   "source": 4
  },
  {
   "ts": "2026-09-03T20:40:52.841Z",
   "subscribers": 7567,
   "source": 4
  },
  {
   "ts": "2026-09-08T19:38:53.623Z",
   "subscribers": 7544,
   "source": 4
  }
 ]
}