{
 "meta": {
  "dataset": "Subscriber history — @psc_notifications",
  "channel": "https://tgregister.com/channel/psc_notifications",
  "retrieved_at": "2026-09-07T19:54:38.841Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 18,
  "window": {
   "from": "2026-08-11T18:30:55.616Z",
   "to": "2026-09-05T13:01:40.785Z"
  },
  "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": "2026-08-11T18:30:55.616Z",
   "subscribers": 12691,
   "source": 3
  },
  {
   "ts": "2026-08-12T03:55:46.134Z",
   "subscribers": 12692,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:26:40.158Z",
   "subscribers": 12701,
   "source": 4
  },
  {
   "ts": "2026-08-16T05:05:35.530Z",
   "subscribers": 12702,
   "source": 4
  },
  {
   "ts": "2026-08-18T14:48:56.651Z",
   "subscribers": 12699,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:35:44.092Z",
   "subscribers": 12702,
   "source": 4
  },
  {
   "ts": "2026-08-20T11:44:42.009Z",
   "subscribers": 12700,
   "source": 4
  },
  {
   "ts": "2026-08-21T14:05:08.863Z",
   "subscribers": 12697,
   "source": 4
  },
  {
   "ts": "2026-08-22T23:04:50.112Z",
   "subscribers": 12698,
   "source": 4
  },
  {
   "ts": "2026-08-24T11:56:23.281Z",
   "subscribers": 12688,
   "source": 4
  },
  {
   "ts": "2026-08-26T07:28:06.344Z",
   "subscribers": 12689,
   "source": 4
  },
  {
   "ts": "2026-08-28T09:33:58.599Z",
   "subscribers": 12685,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:25:07.246Z",
   "subscribers": 12684,
   "source": 4
  },
  {
   "ts": "2026-08-31T09:52:38.405Z",
   "subscribers": 12672,
   "source": 4
  },
  {
   "ts": "2026-09-01T11:27:22.859Z",
   "subscribers": 12682,
   "source": 4
  },
  {
   "ts": "2026-09-02T12:54:21.166Z",
   "subscribers": 12690,
   "source": 4
  },
  {
   "ts": "2026-09-03T16:40:09.233Z",
   "subscribers": 12692,
   "source": 4
  },
  {
   "ts": "2026-09-05T13:01:40.785Z",
   "subscribers": 12697,
   "source": 4
  }
 ]
}