{
 "meta": {
  "dataset": "Subscriber history — @CBSE_Class_10th_Notes_Science",
  "channel": "https://tgregister.com/channel/CBSE_Class_10th_Notes_Science",
  "retrieved_at": "2026-08-27T17:59:36.986Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 19,
  "window": {
   "from": "2026-08-07T05:17:51.093Z",
   "to": "2026-08-27T01:15:37.934Z"
  },
  "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": "2026-08-07T05:17:51.093Z",
   "subscribers": 29024,
   "source": 3
  },
  {
   "ts": "2026-08-07T07:40:19.092Z",
   "subscribers": 29024,
   "source": 4
  },
  {
   "ts": "2026-08-08T04:19:04.790Z",
   "subscribers": 29025,
   "source": 4
  },
  {
   "ts": "2026-08-09T06:11:18.629Z",
   "subscribers": 29001,
   "source": 4
  },
  {
   "ts": "2026-08-10T07:33:23.469Z",
   "subscribers": 28986,
   "source": 4
  },
  {
   "ts": "2026-08-11T09:13:00.209Z",
   "subscribers": 28971,
   "source": 4
  },
  {
   "ts": "2026-08-12T11:55:19.486Z",
   "subscribers": 28979,
   "source": 4
  },
  {
   "ts": "2026-08-13T12:05:28.722Z",
   "subscribers": 28980,
   "source": 4
  },
  {
   "ts": "2026-08-14T23:16:48.464Z",
   "subscribers": 28959,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:46:52.166Z",
   "subscribers": 28933,
   "source": 4
  },
  {
   "ts": "2026-08-17T16:58:43.736Z",
   "subscribers": 28928,
   "source": 4
  },
  {
   "ts": "2026-08-18T18:37:31.157Z",
   "subscribers": 28929,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:54:48.214Z",
   "subscribers": 28924,
   "source": 4
  },
  {
   "ts": "2026-08-20T15:25:08.083Z",
   "subscribers": 28936,
   "source": 4
  },
  {
   "ts": "2026-08-22T00:38:16.150Z",
   "subscribers": 28950,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:36:34.974Z",
   "subscribers": 28939,
   "source": 4
  },
  {
   "ts": "2026-08-25T02:42:24.221Z",
   "subscribers": 28947,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:08:41.553Z",
   "subscribers": 28942,
   "source": 4
  },
  {
   "ts": "2026-08-27T01:15:37.934Z",
   "subscribers": 28957,
   "source": 4
  }
 ]
}