{
 "meta": {
  "dataset": "Subscriber history — @QmathsGroup",
  "channel": "https://tgregister.com/channel/QmathsGroup",
  "retrieved_at": "2026-08-30T13:37:18.621Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 24,
  "window": {
   "from": "2026-08-07T11:09:00.889Z",
   "to": "2026-08-30T03:08:18.493Z"
  },
  "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": "2026-08-07T11:09:00.889Z",
   "subscribers": 39951,
   "source": 0
  },
  {
   "ts": "2026-08-07T14:26:00.323Z",
   "subscribers": 39947,
   "source": 4
  },
  {
   "ts": "2026-08-08T11:29:02.139Z",
   "subscribers": 39979,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:37:25.402Z",
   "subscribers": 39993,
   "source": 4
  },
  {
   "ts": "2026-08-10T12:12:26.133Z",
   "subscribers": 39994,
   "source": 4
  },
  {
   "ts": "2026-08-11T10:22:56.002Z",
   "subscribers": 39960,
   "source": 4
  },
  {
   "ts": "2026-08-12T07:56:47.076Z",
   "subscribers": 39945,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:44:22.940Z",
   "subscribers": 39945,
   "source": 1
  },
  {
   "ts": "2026-08-13T04:54:19.953Z",
   "subscribers": 39934,
   "source": 4
  },
  {
   "ts": "2026-08-14T14:15:50.130Z",
   "subscribers": 39937,
   "source": 4
  },
  {
   "ts": "2026-08-16T05:18:00.089Z",
   "subscribers": 39935,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:32:39.750Z",
   "subscribers": 39926,
   "source": 4
  },
  {
   "ts": "2026-08-18T12:12:22.356Z",
   "subscribers": 39947,
   "source": 4
  },
  {
   "ts": "2026-08-19T09:57:22.890Z",
   "subscribers": 39943,
   "source": 4
  },
  {
   "ts": "2026-08-20T07:35:51.883Z",
   "subscribers": 39940,
   "source": 4
  },
  {
   "ts": "2026-08-21T09:28:47.161Z",
   "subscribers": 39928,
   "source": 4
  },
  {
   "ts": "2026-08-22T20:27:21.309Z",
   "subscribers": 39936,
   "source": 4
  },
  {
   "ts": "2026-08-24T10:04:22.777Z",
   "subscribers": 39909,
   "source": 4
  },
  {
   "ts": "2026-08-25T09:08:26.438Z",
   "subscribers": 40012,
   "source": 4
  },
  {
   "ts": "2026-08-26T05:52:05.738Z",
   "subscribers": 40028,
   "source": 4
  },
  {
   "ts": "2026-08-27T05:38:59.419Z",
   "subscribers": 40038,
   "source": 4
  },
  {
   "ts": "2026-08-28T04:16:09.632Z",
   "subscribers": 40060,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:57:16.651Z",
   "subscribers": 40053,
   "source": 4
  },
  {
   "ts": "2026-08-30T03:08:18.493Z",
   "subscribers": 40048,
   "source": 4
  }
 ]
}