{
 "meta": {
  "dataset": "Subscriber history — @ProfessorDiscussions",
  "channel": "https://tgregister.com/channel/ProfessorDiscussions",
  "retrieved_at": "2026-08-31T04:54:50.973Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-06T18:04:20.576Z",
   "to": "2026-08-29T19:45:13.053Z"
  },
  "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": "2026-08-06T18:04:20.576Z",
   "subscribers": 7344,
   "source": 0
  },
  {
   "ts": "2026-08-07T16:02:24.232Z",
   "subscribers": 7347,
   "source": 4
  },
  {
   "ts": "2026-08-10T11:05:49.425Z",
   "subscribers": 7376,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:24:50.986Z",
   "subscribers": 7413,
   "source": 4
  },
  {
   "ts": "2026-08-16T18:15:42.731Z",
   "subscribers": 7447,
   "source": 4
  },
  {
   "ts": "2026-08-19T21:05:37.456Z",
   "subscribers": 7481,
   "source": 4
  },
  {
   "ts": "2026-08-23T23:18:16.472Z",
   "subscribers": 7559,
   "source": 4
  },
  {
   "ts": "2026-08-26T11:27:46.844Z",
   "subscribers": 7559,
   "source": 1
  },
  {
   "ts": "2026-08-26T17:08:04.020Z",
   "subscribers": 7565,
   "source": 4
  },
  {
   "ts": "2026-08-29T19:45:13.053Z",
   "subscribers": 7580,
   "source": 4
  }
 ]
}