{
 "meta": {
  "dataset": "Subscriber history — @IIT_JEE_Advanced_Study_Materials",
  "channel": "https://tgregister.com/channel/IIT_JEE_Advanced_Study_Materials",
  "retrieved_at": "2026-09-10T15:50:27.633Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T19:37:56.859Z",
   "to": "2026-09-09T23:20:44.056Z"
  },
  "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": "2026-08-07T19:37:56.859Z",
   "subscribers": 21263,
   "source": 0
  },
  {
   "ts": "2026-08-07T19:46:13.302Z",
   "subscribers": 21263,
   "source": 3
  },
  {
   "ts": "2026-08-08T13:41:12.371Z",
   "subscribers": 21254,
   "source": 4
  },
  {
   "ts": "2026-08-09T14:21:18.137Z",
   "subscribers": 21245,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:43:10.003Z",
   "subscribers": 21235,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:26:19.795Z",
   "subscribers": 21216,
   "source": 4
  },
  {
   "ts": "2026-08-12T15:54:18.906Z",
   "subscribers": 21207,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:43:57.102Z",
   "subscribers": 21200,
   "source": 4
  },
  {
   "ts": "2026-08-15T08:24:51.980Z",
   "subscribers": 21188,
   "source": 4
  },
  {
   "ts": "2026-08-16T19:38:58.982Z",
   "subscribers": 21164,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:35:40.901Z",
   "subscribers": 21152,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:19:08.649Z",
   "subscribers": 21153,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:34:44.185Z",
   "subscribers": 21149,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:14:10.757Z",
   "subscribers": 21148,
   "source": 4
  },
  {
   "ts": "2026-08-22T04:08:40.089Z",
   "subscribers": 21135,
   "source": 4
  },
  {
   "ts": "2026-08-23T22:24:08.579Z",
   "subscribers": 21119,
   "source": 4
  },
  {
   "ts": "2026-08-25T03:27:52.860Z",
   "subscribers": 21086,
   "source": 4
  },
  {
   "ts": "2026-08-26T05:18:08.921Z",
   "subscribers": 21079,
   "source": 4
  },
  {
   "ts": "2026-08-27T07:46:06.918Z",
   "subscribers": 21070,
   "source": 4
  },
  {
   "ts": "2026-08-28T06:12:15.437Z",
   "subscribers": 21054,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:04:18.340Z",
   "subscribers": 21046,
   "source": 4
  },
  {
   "ts": "2026-08-30T06:13:09.849Z",
   "subscribers": 21041,
   "source": 4
  },
  {
   "ts": "2026-08-31T09:14:30.311Z",
   "subscribers": 21024,
   "source": 4
  },
  {
   "ts": "2026-09-01T12:49:09.165Z",
   "subscribers": 21009,
   "source": 4
  },
  {
   "ts": "2026-09-02T12:45:05.375Z",
   "subscribers": 20986,
   "source": 4
  },
  {
   "ts": "2026-09-04T00:55:26.130Z",
   "subscribers": 20966,
   "source": 4
  },
  {
   "ts": "2026-09-06T13:58:36.359Z",
   "subscribers": 20944,
   "source": 4
  },
  {
   "ts": "2026-09-09T23:20:44.056Z",
   "subscribers": 20879,
   "source": 4
  }
 ]
}