{
 "meta": {
  "dataset": "Subscriber history — @exam_cluster",
  "channel": "https://tgregister.com/channel/exam_cluster",
  "retrieved_at": "2026-09-12T06:47:11.831Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 9,
  "window": {
   "from": "2026-08-13T10:03:37.858Z",
   "to": "2026-09-10T00:38:28.077Z"
  },
  "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": "2026-08-13T10:03:37.858Z",
   "subscribers": 3417,
   "source": 0
  },
  {
   "ts": "2026-08-13T10:16:01.870Z",
   "subscribers": 3417,
   "source": 3
  },
  {
   "ts": "2026-08-13T11:26:38.414Z",
   "subscribers": 3419,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:38:54.512Z",
   "subscribers": 3415,
   "source": 4
  },
  {
   "ts": "2026-08-20T07:24:05.604Z",
   "subscribers": 3412,
   "source": 4
  },
  {
   "ts": "2026-08-23T16:48:32.354Z",
   "subscribers": 3409,
   "source": 4
  },
  {
   "ts": "2026-09-01T06:36:55.800Z",
   "subscribers": 3408,
   "source": 4
  },
  {
   "ts": "2026-09-05T01:00:41.117Z",
   "subscribers": 3410,
   "source": 4
  },
  {
   "ts": "2026-09-10T00:38:28.077Z",
   "subscribers": 3395,
   "source": 4
  }
 ]
}