{
 "meta": {
  "dataset": "Subscriber history — @premedschool2",
  "channel": "https://tgregister.com/channel/premedschool2",
  "retrieved_at": "2026-09-16T10:17:34.888Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-05T23:08:39.254Z",
   "to": "2026-09-13T08:20:41.985Z"
  },
  "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": "2026-08-05T23:08:39.254Z",
   "subscribers": 3419,
   "source": 0
  },
  {
   "ts": "2026-08-07T00:20:27.297Z",
   "subscribers": 3417,
   "source": 4
  },
  {
   "ts": "2026-08-10T08:01:04.914Z",
   "subscribers": 3419,
   "source": 4
  },
  {
   "ts": "2026-08-12T22:13:09.166Z",
   "subscribers": 3412,
   "source": 4
  },
  {
   "ts": "2026-08-16T05:27:49.420Z",
   "subscribers": 3410,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:45:19.578Z",
   "subscribers": 3408,
   "source": 4
  },
  {
   "ts": "2026-08-23T05:52:05.340Z",
   "subscribers": 3404,
   "source": 4
  },
  {
   "ts": "2026-08-26T05:43:20.883Z",
   "subscribers": 3399,
   "source": 4
  },
  {
   "ts": "2026-08-28T22:46:53.552Z",
   "subscribers": 3395,
   "source": 4
  },
  {
   "ts": "2026-08-31T18:23:23.793Z",
   "subscribers": 3392,
   "source": 4
  },
  {
   "ts": "2026-09-03T14:36:03.127Z",
   "subscribers": 3391,
   "source": 4
  },
  {
   "ts": "2026-09-08T23:16:37.304Z",
   "subscribers": 3391,
   "source": 1
  },
  {
   "ts": "2026-09-09T03:58:49.766Z",
   "subscribers": 3390,
   "source": 4
  },
  {
   "ts": "2026-09-13T08:20:41.985Z",
   "subscribers": 3385,
   "source": 4
  }
 ]
}