{
 "meta": {
  "dataset": "Subscriber history — @InstituteICM",
  "channel": "https://tgregister.com/channel/InstituteICM",
  "retrieved_at": "2026-09-16T21:10:30.945Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-07T14:19:12.859Z",
   "to": "2026-09-14T00:56:46.471Z"
  },
  "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": "2026-08-07T14:19:12.859Z",
   "subscribers": 6079,
   "source": 3
  },
  {
   "ts": "2026-08-07T21:30:55.682Z",
   "subscribers": 6078,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:21:28.394Z",
   "subscribers": 6031,
   "source": 4
  },
  {
   "ts": "2026-08-13T13:05:56.852Z",
   "subscribers": 6011,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:27:38.062Z",
   "subscribers": 5986,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:55:54.699Z",
   "subscribers": 5950,
   "source": 4
  },
  {
   "ts": "2026-08-22T15:05:09.624Z",
   "subscribers": 5931,
   "source": 4
  },
  {
   "ts": "2026-08-25T15:23:08.554Z",
   "subscribers": 5909,
   "source": 4
  },
  {
   "ts": "2026-08-28T11:38:36.537Z",
   "subscribers": 5901,
   "source": 4
  },
  {
   "ts": "2026-08-31T16:59:10.934Z",
   "subscribers": 5869,
   "source": 4
  },
  {
   "ts": "2026-09-04T16:21:25.430Z",
   "subscribers": 5838,
   "source": 4
  },
  {
   "ts": "2026-09-10T03:20:16.886Z",
   "subscribers": 5784,
   "source": 4
  },
  {
   "ts": "2026-09-14T00:56:46.471Z",
   "subscribers": 5745,
   "source": 4
  }
 ]
}