{
 "meta": {
  "dataset": "Subscriber history — @mpsc_math_reasoning",
  "channel": "https://tgregister.com/channel/mpsc_math_reasoning",
  "retrieved_at": "2026-09-05T11:26:45.680Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-06T22:53:52.755Z",
   "to": "2026-09-05T00:58:34.277Z"
  },
  "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": "2026-08-06T22:53:52.755Z",
   "subscribers": 61337,
   "source": 0
  },
  {
   "ts": "2026-08-07T05:31:40.897Z",
   "subscribers": 61360,
   "source": 4
  },
  {
   "ts": "2026-08-08T07:12:31.642Z",
   "subscribers": 61490,
   "source": 4
  },
  {
   "ts": "2026-08-09T10:31:55.370Z",
   "subscribers": 61639,
   "source": 4
  },
  {
   "ts": "2026-08-10T13:28:19.204Z",
   "subscribers": 61713,
   "source": 4
  },
  {
   "ts": "2026-08-11T10:43:19.609Z",
   "subscribers": 61778,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:54:47.930Z",
   "subscribers": 61778,
   "source": 1
  },
  {
   "ts": "2026-08-12T14:08:46.123Z",
   "subscribers": 61861,
   "source": 4
  },
  {
   "ts": "2026-08-13T11:17:47.653Z",
   "subscribers": 61944,
   "source": 4
  },
  {
   "ts": "2026-08-14T20:38:14.948Z",
   "subscribers": 62072,
   "source": 4
  },
  {
   "ts": "2026-08-16T15:37:27.602Z",
   "subscribers": 62258,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:36:44.390Z",
   "subscribers": 62360,
   "source": 4
  },
  {
   "ts": "2026-08-18T23:06:36.290Z",
   "subscribers": 62502,
   "source": 4
  },
  {
   "ts": "2026-08-19T22:18:21.886Z",
   "subscribers": 62580,
   "source": 4
  },
  {
   "ts": "2026-08-21T01:04:38.804Z",
   "subscribers": 62691,
   "source": 4
  },
  {
   "ts": "2026-08-22T10:35:06.069Z",
   "subscribers": 62805,
   "source": 4
  },
  {
   "ts": "2026-08-23T23:37:31.637Z",
   "subscribers": 62962,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:14:08.283Z",
   "subscribers": 63008,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:07:48.134Z",
   "subscribers": 63072,
   "source": 4
  },
  {
   "ts": "2026-08-27T06:35:47.421Z",
   "subscribers": 63156,
   "source": 4
  },
  {
   "ts": "2026-08-28T05:54:38.190Z",
   "subscribers": 63209,
   "source": 4
  },
  {
   "ts": "2026-08-29T03:03:01.417Z",
   "subscribers": 63253,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:05:05.787Z",
   "subscribers": 63259,
   "source": 4
  },
  {
   "ts": "2026-08-31T03:16:48.591Z",
   "subscribers": 63284,
   "source": 4
  },
  {
   "ts": "2026-09-01T03:37:06.886Z",
   "subscribers": 63338,
   "source": 4
  },
  {
   "ts": "2026-09-02T03:42:08.071Z",
   "subscribers": 63403,
   "source": 4
  },
  {
   "ts": "2026-09-03T09:07:26.378Z",
   "subscribers": 63498,
   "source": 4
  },
  {
   "ts": "2026-09-05T00:58:34.277Z",
   "subscribers": 63653,
   "source": 4
  }
 ]
}