{
 "meta": {
  "dataset": "Subscriber history — @federation_igs",
  "channel": "https://tgregister.com/channel/federation_igs",
  "retrieved_at": "2026-08-17T19:51:26.420Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-06T23:31:52.268Z",
   "to": "2026-08-16T22:23:58.792Z"
  },
  "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": "2026-08-06T23:31:52.268Z",
   "subscribers": 13970,
   "source": 3
  },
  {
   "ts": "2026-08-07T01:51:49.358Z",
   "subscribers": 13970,
   "source": 4
  },
  {
   "ts": "2026-08-07T23:55:42.789Z",
   "subscribers": 13967,
   "source": 4
  },
  {
   "ts": "2026-08-09T01:21:04.989Z",
   "subscribers": 13964,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:01:55.076Z",
   "subscribers": 13962,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:05:00.179Z",
   "subscribers": 13958,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:28:55.109Z",
   "subscribers": 13963,
   "source": 4
  },
  {
   "ts": "2026-08-12T18:23:46.130Z",
   "subscribers": 13965,
   "source": 4
  },
  {
   "ts": "2026-08-14T04:18:15.610Z",
   "subscribers": 13969,
   "source": 4
  },
  {
   "ts": "2026-08-15T17:22:44.918Z",
   "subscribers": 13971,
   "source": 4
  },
  {
   "ts": "2026-08-16T22:23:58.792Z",
   "subscribers": 13974,
   "source": 4
  }
 ]
}