{
 "meta": {
  "dataset": "Subscriber history — @itcertified",
  "channel": "https://tgregister.com/channel/itcertified",
  "retrieved_at": "2026-09-11T18:38:03.025Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-07T01:40:31.864Z",
   "to": "2026-09-09T11:57:48.849Z"
  },
  "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": "2026-08-07T01:40:31.864Z",
   "subscribers": 18513,
   "source": 0
  },
  {
   "ts": "2026-08-07T19:30:48.511Z",
   "subscribers": 18511,
   "source": 4
  },
  {
   "ts": "2026-08-08T17:30:48.540Z",
   "subscribers": 18508,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:16:52.615Z",
   "subscribers": 18504,
   "source": 4
  },
  {
   "ts": "2026-08-10T12:31:33.817Z",
   "subscribers": 18501,
   "source": 4
  },
  {
   "ts": "2026-08-12T14:26:32.282Z",
   "subscribers": 18486,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:59:02.098Z",
   "subscribers": 18475,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:54:55.958Z",
   "subscribers": 18465,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:38:17.971Z",
   "subscribers": 18465,
   "source": 1
  },
  {
   "ts": "2026-08-17T18:58:50.782Z",
   "subscribers": 18454,
   "source": 4
  },
  {
   "ts": "2026-08-18T21:22:31.976Z",
   "subscribers": 18442,
   "source": 4
  },
  {
   "ts": "2026-08-20T00:58:35.963Z",
   "subscribers": 18452,
   "source": 4
  },
  {
   "ts": "2026-08-21T03:12:08.790Z",
   "subscribers": 18450,
   "source": 4
  },
  {
   "ts": "2026-08-22T12:14:26.033Z",
   "subscribers": 18435,
   "source": 4
  },
  {
   "ts": "2026-08-24T05:18:17.558Z",
   "subscribers": 18430,
   "source": 4
  },
  {
   "ts": "2026-08-25T05:29:23.275Z",
   "subscribers": 18431,
   "source": 4
  },
  {
   "ts": "2026-08-26T06:43:48.788Z",
   "subscribers": 18427,
   "source": 4
  },
  {
   "ts": "2026-08-27T08:55:59.132Z",
   "subscribers": 18424,
   "source": 4
  },
  {
   "ts": "2026-08-28T08:13:32.764Z",
   "subscribers": 18429,
   "source": 4
  },
  {
   "ts": "2026-08-29T04:55:31.760Z",
   "subscribers": 18414,
   "source": 4
  },
  {
   "ts": "2026-08-30T07:05:45.432Z",
   "subscribers": 18390,
   "source": 4
  },
  {
   "ts": "2026-08-31T04:34:38.686Z",
   "subscribers": 18386,
   "source": 4
  },
  {
   "ts": "2026-09-01T07:08:32.696Z",
   "subscribers": 18378,
   "source": 4
  },
  {
   "ts": "2026-09-02T08:46:40.155Z",
   "subscribers": 18376,
   "source": 4
  },
  {
   "ts": "2026-09-03T19:35:47.509Z",
   "subscribers": 18375,
   "source": 4
  },
  {
   "ts": "2026-09-06T03:59:36.263Z",
   "subscribers": 18358,
   "source": 4
  },
  {
   "ts": "2026-09-09T11:57:48.849Z",
   "subscribers": 18347,
   "source": 4
  }
 ]
}
