{
 "meta": {
  "dataset": "Subscriber history — @study91",
  "channel": "https://tgregister.com/channel/study91",
  "retrieved_at": "2026-08-27T01:56:11.287Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 18,
  "window": {
   "from": "2026-08-07T23:45:36.457Z",
   "to": "2026-08-26T12:16:18.282Z"
  },
  "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": "2026-08-07T23:45:36.457Z",
   "subscribers": 49030,
   "source": 3
  },
  {
   "ts": "2026-08-08T09:33:16.155Z",
   "subscribers": 49023,
   "source": 4
  },
  {
   "ts": "2026-08-09T07:53:22.083Z",
   "subscribers": 49019,
   "source": 4
  },
  {
   "ts": "2026-08-10T09:01:49.556Z",
   "subscribers": 48995,
   "source": 4
  },
  {
   "ts": "2026-08-11T06:13:18.401Z",
   "subscribers": 48970,
   "source": 4
  },
  {
   "ts": "2026-08-12T03:42:12.834Z",
   "subscribers": 48935,
   "source": 4
  },
  {
   "ts": "2026-08-13T04:06:18.204Z",
   "subscribers": 48925,
   "source": 4
  },
  {
   "ts": "2026-08-14T13:16:19.150Z",
   "subscribers": 48896,
   "source": 4
  },
  {
   "ts": "2026-08-16T04:16:07.546Z",
   "subscribers": 48869,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:23:03.336Z",
   "subscribers": 48844,
   "source": 4
  },
  {
   "ts": "2026-08-18T14:44:25.491Z",
   "subscribers": 48813,
   "source": 4
  },
  {
   "ts": "2026-08-19T15:08:26.285Z",
   "subscribers": 48790,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:26:55.928Z",
   "subscribers": 48778,
   "source": 4
  },
  {
   "ts": "2026-08-21T12:35:29.412Z",
   "subscribers": 48761,
   "source": 4
  },
  {
   "ts": "2026-08-23T02:49:12.048Z",
   "subscribers": 48727,
   "source": 4
  },
  {
   "ts": "2026-08-24T17:38:00.594Z",
   "subscribers": 48688,
   "source": 4
  },
  {
   "ts": "2026-08-25T14:13:39.536Z",
   "subscribers": 48659,
   "source": 4
  },
  {
   "ts": "2026-08-26T12:16:18.282Z",
   "subscribers": 48647,
   "source": 4
  }
 ]
}