{
 "meta": {
  "dataset": "Subscriber history — @msc_physics",
  "channel": "https://tgregister.com/channel/msc_physics",
  "retrieved_at": "2026-09-16T14:28:42.883Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-07T20:18:35.592Z",
   "to": "2026-09-15T01:00:14.259Z"
  },
  "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": "2026-08-07T20:18:35.592Z",
   "subscribers": 3480,
   "source": 0
  },
  {
   "ts": "2026-08-07T20:30:52.588Z",
   "subscribers": 3480,
   "source": 3
  },
  {
   "ts": "2026-08-08T11:32:46.963Z",
   "subscribers": 3478,
   "source": 4
  },
  {
   "ts": "2026-08-11T06:51:42.564Z",
   "subscribers": 3482,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:02:26.192Z",
   "subscribers": 3489,
   "source": 4
  },
  {
   "ts": "2026-08-18T05:23:00.456Z",
   "subscribers": 3494,
   "source": 4
  },
  {
   "ts": "2026-08-21T03:03:57.189Z",
   "subscribers": 3514,
   "source": 4
  },
  {
   "ts": "2026-08-24T15:37:58.548Z",
   "subscribers": 3529,
   "source": 4
  },
  {
   "ts": "2026-08-27T05:47:04.923Z",
   "subscribers": 3544,
   "source": 4
  },
  {
   "ts": "2026-08-30T07:25:41.165Z",
   "subscribers": 3554,
   "source": 4
  },
  {
   "ts": "2026-09-02T00:14:52.365Z",
   "subscribers": 3563,
   "source": 4
  },
  {
   "ts": "2026-09-06T15:02:16.668Z",
   "subscribers": 3591,
   "source": 4
  },
  {
   "ts": "2026-09-11T10:40:05.932Z",
   "subscribers": 3624,
   "source": 4
  },
  {
   "ts": "2026-09-15T01:00:14.259Z",
   "subscribers": 3649,
   "source": 4
  }
 ]
}