{
 "meta": {
  "dataset": "Subscriber history — @certcl",
  "channel": "https://tgregister.com/channel/certcl",
  "retrieved_at": "2026-09-01T21:58:39.240Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-07T18:22:18.355Z",
   "to": "2026-09-01T21:27:55.535Z"
  },
  "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": "2026-08-07T18:22:18.355Z",
   "subscribers": 43951,
   "source": 0
  },
  {
   "ts": "2026-08-08T04:58:11.057Z",
   "subscribers": 44912,
   "source": 4
  },
  {
   "ts": "2026-08-09T03:54:26.747Z",
   "subscribers": 46363,
   "source": 4
  },
  {
   "ts": "2026-08-10T04:31:19.474Z",
   "subscribers": 46233,
   "source": 4
  },
  {
   "ts": "2026-08-11T03:15:58.969Z",
   "subscribers": 46386,
   "source": 4
  },
  {
   "ts": "2026-08-12T05:02:37.735Z",
   "subscribers": 47616,
   "source": 4
  },
  {
   "ts": "2026-08-12T17:01:58.814Z",
   "subscribers": 47616,
   "source": 1
  },
  {
   "ts": "2026-08-13T02:46:29.429Z",
   "subscribers": 49627,
   "source": 4
  },
  {
   "ts": "2026-08-14T15:38:04.861Z",
   "subscribers": 51671,
   "source": 4
  },
  {
   "ts": "2026-08-16T05:54:11.806Z",
   "subscribers": 52595,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:58:54.516Z",
   "subscribers": 53380,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:03:33.294Z",
   "subscribers": 53301,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:34:51.289Z",
   "subscribers": 22,
   "source": 4
  },
  {
   "ts": "2026-08-22T22:15:10.940Z",
   "subscribers": 56220,
   "source": 0
  },
  {
   "ts": "2026-08-23T10:20:35.628Z",
   "subscribers": 56220,
   "source": 1
  },
  {
   "ts": "2026-08-24T02:38:17.433Z",
   "subscribers": 59313,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:24:07.717Z",
   "subscribers": 60863,
   "source": 4
  },
  {
   "ts": "2026-08-25T15:32:56.442Z",
   "subscribers": 173,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:36:56.189Z",
   "subscribers": 61778,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:27:09.281Z",
   "subscribers": 61326,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:34:46.445Z",
   "subscribers": 60942,
   "source": 4
  },
  {
   "ts": "2026-08-29T05:36:58.554Z",
   "subscribers": 60526,
   "source": 4
  },
  {
   "ts": "2026-08-30T02:29:01.921Z",
   "subscribers": 60247,
   "source": 4
  },
  {
   "ts": "2026-08-30T23:44:38.751Z",
   "subscribers": 59858,
   "source": 4
  },
  {
   "ts": "2026-08-31T17:26:24.302Z",
   "subscribers": 215,
   "source": 4
  },
  {
   "ts": "2026-08-31T20:14:03.531Z",
   "subscribers": 59538,
   "source": 4
  },
  {
   "ts": "2026-09-01T21:27:55.535Z",
   "subscribers": 59924,
   "source": 4
  }
 ]
}