{
 "meta": {
  "dataset": "Subscriber history — @itcentertehran",
  "channel": "https://tgregister.com/channel/itcentertehran",
  "retrieved_at": "2026-09-11T13:14:41.754Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-06T23:30:47.115Z",
   "to": "2026-09-10T15:42:08.133Z"
  },
  "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": "2026-08-06T23:30:47.115Z",
   "subscribers": 2435,
   "source": 3
  },
  {
   "ts": "2026-08-07T13:44:27.953Z",
   "subscribers": 2436,
   "source": 4
  },
  {
   "ts": "2026-08-10T10:22:41.870Z",
   "subscribers": 2434,
   "source": 4
  },
  {
   "ts": "2026-08-13T05:57:32.082Z",
   "subscribers": 2436,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:25:05.910Z",
   "subscribers": 2437,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:34:48.876Z",
   "subscribers": 2443,
   "source": 4
  },
  {
   "ts": "2026-08-23T02:54:45.975Z",
   "subscribers": 2449,
   "source": 4
  },
  {
   "ts": "2026-08-26T10:22:52.403Z",
   "subscribers": 2455,
   "source": 4
  },
  {
   "ts": "2026-08-29T04:35:42.900Z",
   "subscribers": 2457,
   "source": 4
  },
  {
   "ts": "2026-09-01T03:18:34.794Z",
   "subscribers": 2461,
   "source": 4
  },
  {
   "ts": "2026-09-05T08:41:49.350Z",
   "subscribers": 2468,
   "source": 4
  },
  {
   "ts": "2026-09-10T15:42:08.133Z",
   "subscribers": 2483,
   "source": 4
  }
 ]
}