{
 "meta": {
  "dataset": "Subscriber history — @UPSC_Beginners",
  "channel": "https://tgregister.com/channel/UPSC_Beginners",
  "retrieved_at": "2026-09-10T03:21:38.295Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-06T20:25:00.140Z",
   "to": "2026-09-08T07:42:03.605Z"
  },
  "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": "2026-08-06T20:25:00.140Z",
   "subscribers": 12807,
   "source": 0
  },
  {
   "ts": "2026-08-07T19:01:19.212Z",
   "subscribers": 12800,
   "source": 4
  },
  {
   "ts": "2026-08-08T20:14:31.641Z",
   "subscribers": 12795,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:51:24.502Z",
   "subscribers": 12786,
   "source": 4
  },
  {
   "ts": "2026-08-10T20:38:17.164Z",
   "subscribers": 12783,
   "source": 4
  },
  {
   "ts": "2026-08-12T00:09:03.237Z",
   "subscribers": 12779,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:47:53.744Z",
   "subscribers": 12778,
   "source": 4
  },
  {
   "ts": "2026-08-14T15:05:57.171Z",
   "subscribers": 12769,
   "source": 4
  },
  {
   "ts": "2026-08-16T06:53:38.854Z",
   "subscribers": 12760,
   "source": 4
  },
  {
   "ts": "2026-08-17T13:34:17.814Z",
   "subscribers": 12750,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:55:26.473Z",
   "subscribers": 12747,
   "source": 4
  },
  {
   "ts": "2026-08-19T10:12:22.027Z",
   "subscribers": 12739,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:23:47.451Z",
   "subscribers": 12736,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:37:33.830Z",
   "subscribers": 12736,
   "source": 1
  },
  {
   "ts": "2026-08-21T09:49:17.600Z",
   "subscribers": 12733,
   "source": 4
  },
  {
   "ts": "2026-08-22T21:37:48.117Z",
   "subscribers": 12718,
   "source": 4
  },
  {
   "ts": "2026-08-24T14:48:54.797Z",
   "subscribers": 12705,
   "source": 4
  },
  {
   "ts": "2026-08-25T13:25:03.948Z",
   "subscribers": 12699,
   "source": 4
  },
  {
   "ts": "2026-08-27T19:34:21.488Z",
   "subscribers": 12694,
   "source": 4
  },
  {
   "ts": "2026-08-28T21:45:04.603Z",
   "subscribers": 12693,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:57:59.113Z",
   "subscribers": 12690,
   "source": 4
  },
  {
   "ts": "2026-08-30T23:04:26.434Z",
   "subscribers": 12681,
   "source": 4
  },
  {
   "ts": "2026-09-01T02:39:22.693Z",
   "subscribers": 12672,
   "source": 4
  },
  {
   "ts": "2026-09-02T05:22:17.581Z",
   "subscribers": 12664,
   "source": 4
  },
  {
   "ts": "2026-09-03T13:35:58.697Z",
   "subscribers": 12656,
   "source": 4
  },
  {
   "ts": "2026-09-05T05:55:26.469Z",
   "subscribers": 12647,
   "source": 4
  },
  {
   "ts": "2026-09-08T07:42:03.605Z",
   "subscribers": 12628,
   "source": 4
  }
 ]
}