{
 "meta": {
  "dataset": "Subscriber history — @ProgressQuiz",
  "channel": "https://tgregister.com/channel/ProgressQuiz",
  "retrieved_at": "2026-09-08T21:06:13.556Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-07T23:06:37.773Z",
   "to": "2026-09-04T21:18:25.531Z"
  },
  "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": "2026-08-07T23:06:37.773Z",
   "subscribers": 2307,
   "source": 0
  },
  {
   "ts": "2026-08-07T23:15:53.140Z",
   "subscribers": 2307,
   "source": 3
  },
  {
   "ts": "2026-08-11T01:37:29.905Z",
   "subscribers": 2304,
   "source": 4
  },
  {
   "ts": "2026-08-13T17:36:53.265Z",
   "subscribers": 2302,
   "source": 4
  },
  {
   "ts": "2026-08-16T20:05:22.665Z",
   "subscribers": 2301,
   "source": 4
  },
  {
   "ts": "2026-08-20T03:13:30.853Z",
   "subscribers": 2298,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:04:50.516Z",
   "subscribers": 2295,
   "source": 4
  },
  {
   "ts": "2026-08-26T15:43:47.795Z",
   "subscribers": 2285,
   "source": 4
  },
  {
   "ts": "2026-08-29T05:16:15.306Z",
   "subscribers": 2283,
   "source": 4
  },
  {
   "ts": "2026-09-01T03:18:43.030Z",
   "subscribers": 2276,
   "source": 4
  },
  {
   "ts": "2026-09-04T21:18:25.531Z",
   "subscribers": 2270,
   "source": 4
  }
 ]
}