{
 "meta": {
  "dataset": "Subscriber history — @INFORMATIONINSTITUTE",
  "channel": "https://tgregister.com/channel/INFORMATIONINSTITUTE",
  "retrieved_at": "2026-08-20T13:01:11.823Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 15,
  "window": {
   "from": "2026-08-06T01:32:34.953Z",
   "to": "2026-08-20T08:04:35.871Z"
  },
  "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": "2026-08-06T01:32:34.953Z",
   "subscribers": 12499,
   "source": 0
  },
  {
   "ts": "2026-08-06T02:33:30.832Z",
   "subscribers": 12499,
   "source": 3
  },
  {
   "ts": "2026-08-06T15:03:39.017Z",
   "subscribers": 12511,
   "source": 4
  },
  {
   "ts": "2026-08-07T16:02:53.570Z",
   "subscribers": 12524,
   "source": 4
  },
  {
   "ts": "2026-08-08T13:17:55.347Z",
   "subscribers": 12532,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:35:33.023Z",
   "subscribers": 12674,
   "source": 4
  },
  {
   "ts": "2026-08-10T13:23:04.605Z",
   "subscribers": 12682,
   "source": 4
  },
  {
   "ts": "2026-08-11T10:36:25.547Z",
   "subscribers": 12683,
   "source": 4
  },
  {
   "ts": "2026-08-12T13:45:10.774Z",
   "subscribers": 12685,
   "source": 4
  },
  {
   "ts": "2026-08-13T18:08:33.786Z",
   "subscribers": 12694,
   "source": 4
  },
  {
   "ts": "2026-08-14T23:28:50.702Z",
   "subscribers": 12705,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:55:37.155Z",
   "subscribers": 12685,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:57:50.217Z",
   "subscribers": 12671,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:53:49.922Z",
   "subscribers": 12714,
   "source": 4
  },
  {
   "ts": "2026-08-20T08:04:35.871Z",
   "subscribers": 12707,
   "source": 4
  }
 ]
}