{
 "meta": {
  "dataset": "Subscriber history — @StudentLibrary",
  "channel": "https://tgregister.com/channel/StudentLibrary",
  "retrieved_at": "2026-08-25T21:44:18.577Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 19,
  "window": {
   "from": "2026-08-06T02:39:33.017Z",
   "to": "2026-08-25T21:04:33.312Z"
  },
  "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": "2026-08-06T02:39:33.017Z",
   "subscribers": 24592,
   "source": 0
  },
  {
   "ts": "2026-08-07T01:01:15.409Z",
   "subscribers": 24585,
   "source": 4
  },
  {
   "ts": "2026-08-07T21:54:06.961Z",
   "subscribers": 24583,
   "source": 4
  },
  {
   "ts": "2026-08-09T01:11:33.557Z",
   "subscribers": 24574,
   "source": 4
  },
  {
   "ts": "2026-08-09T22:11:51.524Z",
   "subscribers": 24561,
   "source": 4
  },
  {
   "ts": "2026-08-10T23:38:59.285Z",
   "subscribers": 24547,
   "source": 4
  },
  {
   "ts": "2026-08-12T02:12:56.743Z",
   "subscribers": 24543,
   "source": 4
  },
  {
   "ts": "2026-08-12T23:58:33.759Z",
   "subscribers": 24537,
   "source": 4
  },
  {
   "ts": "2026-08-14T09:46:01.283Z",
   "subscribers": 24529,
   "source": 4
  },
  {
   "ts": "2026-08-15T03:35:17.606Z",
   "subscribers": 24529,
   "source": 1
  },
  {
   "ts": "2026-08-15T20:54:41.620Z",
   "subscribers": 24522,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:45:51.986Z",
   "subscribers": 24510,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:16:26.978Z",
   "subscribers": 24501,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:27:45.298Z",
   "subscribers": 24499,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:16:11.451Z",
   "subscribers": 24492,
   "source": 4
  },
  {
   "ts": "2026-08-21T16:35:14.078Z",
   "subscribers": 24487,
   "source": 4
  },
  {
   "ts": "2026-08-23T04:46:14.566Z",
   "subscribers": 24477,
   "source": 4
  },
  {
   "ts": "2026-08-24T19:13:01.518Z",
   "subscribers": 24478,
   "source": 4
  },
  {
   "ts": "2026-08-25T21:04:33.312Z",
   "subscribers": 24480,
   "source": 4
  }
 ]
}