{
 "meta": {
  "dataset": "Subscriber history — @UPSC_Constitution_Notes_Pdfs",
  "channel": "https://tgregister.com/channel/UPSC_Constitution_Notes_Pdfs",
  "retrieved_at": "2026-08-20T08:52:03.494Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-07T17:36:46.906Z",
   "to": "2026-08-19T13:08:13.707Z"
  },
  "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": "2026-08-07T17:36:46.906Z",
   "subscribers": 36924,
   "source": 0
  },
  {
   "ts": "2026-08-07T17:45:38.777Z",
   "subscribers": 36924,
   "source": 3
  },
  {
   "ts": "2026-08-08T09:37:55.630Z",
   "subscribers": 36908,
   "source": 4
  },
  {
   "ts": "2026-08-09T11:51:49.278Z",
   "subscribers": 36872,
   "source": 4
  },
  {
   "ts": "2026-08-10T14:02:05.096Z",
   "subscribers": 36833,
   "source": 4
  },
  {
   "ts": "2026-08-11T10:46:31.509Z",
   "subscribers": 36823,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:57:20.032Z",
   "subscribers": 36802,
   "source": 4
  },
  {
   "ts": "2026-08-13T17:38:20.794Z",
   "subscribers": 36763,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:16:53.518Z",
   "subscribers": 36737,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:17:03.210Z",
   "subscribers": 36705,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:38:28.037Z",
   "subscribers": 36673,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:47:25.167Z",
   "subscribers": 36649,
   "source": 4
  },
  {
   "ts": "2026-08-19T13:08:13.707Z",
   "subscribers": 36633,
   "source": 4
  }
 ]
}