{
 "meta": {
  "dataset": "Subscriber history — @upsc_CSAT_PYQ",
  "channel": "https://tgregister.com/channel/upsc_CSAT_PYQ",
  "retrieved_at": "2026-08-20T10:24:31.233Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-06T22:02:34.959Z",
   "to": "2026-08-19T13:11:56.329Z"
  },
  "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": "2026-08-06T22:02:34.959Z",
   "subscribers": 35312,
   "source": 3
  },
  {
   "ts": "2026-08-07T20:53:25.375Z",
   "subscribers": 35295,
   "source": 4
  },
  {
   "ts": "2026-08-08T18:51:21.073Z",
   "subscribers": 35281,
   "source": 4
  },
  {
   "ts": "2026-08-09T18:15:18.337Z",
   "subscribers": 35268,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:07:11.940Z",
   "subscribers": 35243,
   "source": 4
  },
  {
   "ts": "2026-08-11T21:14:02.294Z",
   "subscribers": 35215,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:46:43.950Z",
   "subscribers": 35208,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:08:50.285Z",
   "subscribers": 35168,
   "source": 4
  },
  {
   "ts": "2026-08-15T04:12:59.632Z",
   "subscribers": 35148,
   "source": 4
  },
  {
   "ts": "2026-08-16T18:24:40.925Z",
   "subscribers": 35106,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:56:12.196Z",
   "subscribers": 35078,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:24:01.027Z",
   "subscribers": 35062,
   "source": 4
  },
  {
   "ts": "2026-08-19T13:11:56.329Z",
   "subscribers": 35048,
   "source": 4
  }
 ]
}