{
 "meta": {
  "dataset": "Subscriber history — @UPSC_CSAT_MCQ",
  "channel": "https://tgregister.com/channel/UPSC_CSAT_MCQ",
  "retrieved_at": "2026-08-20T12:09:03.374Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-07T17:34:57.150Z",
   "to": "2026-08-20T04:36:42.742Z"
  },
  "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": "2026-08-07T17:34:57.150Z",
   "subscribers": 37053,
   "source": 0
  },
  {
   "ts": "2026-08-07T17:45:41.603Z",
   "subscribers": 37053,
   "source": 3
  },
  {
   "ts": "2026-08-08T03:12:23.548Z",
   "subscribers": 37038,
   "source": 4
  },
  {
   "ts": "2026-08-09T01:44:14.158Z",
   "subscribers": 37009,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:21:37.288Z",
   "subscribers": 36992,
   "source": 4
  },
  {
   "ts": "2026-08-10T23:55:12.329Z",
   "subscribers": 36963,
   "source": 4
  },
  {
   "ts": "2026-08-11T21:03:04.188Z",
   "subscribers": 36940,
   "source": 4
  },
  {
   "ts": "2026-08-13T00:04:47.988Z",
   "subscribers": 36920,
   "source": 4
  },
  {
   "ts": "2026-08-14T10:27:10.406Z",
   "subscribers": 36888,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:27:29.638Z",
   "subscribers": 36863,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:44:55.082Z",
   "subscribers": 36824,
   "source": 4
  },
  {
   "ts": "2026-08-18T07:22:17.287Z",
   "subscribers": 36791,
   "source": 4
  },
  {
   "ts": "2026-08-19T08:11:53.698Z",
   "subscribers": 36770,
   "source": 4
  },
  {
   "ts": "2026-08-20T04:36:42.742Z",
   "subscribers": 36755,
   "source": 4
  }
 ]
}