{
 "meta": {
  "dataset": "Subscriber history — @four4_ir",
  "channel": "https://tgregister.com/channel/four4_ir",
  "retrieved_at": "2026-08-19T08:14:59.065Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-08T00:21:03.758Z",
   "to": "2026-08-18T18:07:37.290Z"
  },
  "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": "2026-08-08T00:21:03.758Z",
   "subscribers": 79507,
   "source": 3
  },
  {
   "ts": "2026-08-08T13:10:37.709Z",
   "subscribers": 79483,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:32:36.505Z",
   "subscribers": 79434,
   "source": 4
  },
  {
   "ts": "2026-08-10T15:12:06.840Z",
   "subscribers": 79386,
   "source": 4
  },
  {
   "ts": "2026-08-11T14:18:51.526Z",
   "subscribers": 79347,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:17:52.687Z",
   "subscribers": 79322,
   "source": 4
  },
  {
   "ts": "2026-08-13T14:36:15.614Z",
   "subscribers": 79261,
   "source": 4
  },
  {
   "ts": "2026-08-14T20:59:09.762Z",
   "subscribers": 79148,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:38:29.942Z",
   "subscribers": 79077,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:38:45.804Z",
   "subscribers": 79015,
   "source": 4
  },
  {
   "ts": "2026-08-18T18:07:37.290Z",
   "subscribers": 78972,
   "source": 4
  }
 ]
}