{
 "meta": {
  "dataset": "Subscriber history — @Mathematics_Optional_Notes",
  "channel": "https://tgregister.com/channel/Mathematics_Optional_Notes",
  "retrieved_at": "2026-08-27T11:13:22.420Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 18,
  "window": {
   "from": "2026-08-06T13:51:33.230Z",
   "to": "2026-08-26T23:18:55.071Z"
  },
  "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": "2026-08-06T13:51:33.230Z",
   "subscribers": 10196,
   "source": 0
  },
  {
   "ts": "2026-08-07T13:02:05.118Z",
   "subscribers": 10193,
   "source": 4
  },
  {
   "ts": "2026-08-08T15:01:24.745Z",
   "subscribers": 10188,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:11:34.781Z",
   "subscribers": 10181,
   "source": 4
  },
  {
   "ts": "2026-08-10T12:08:59.424Z",
   "subscribers": 10175,
   "source": 4
  },
  {
   "ts": "2026-08-12T09:03:01.548Z",
   "subscribers": 10163,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:18:35.388Z",
   "subscribers": 10159,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:58:17.141Z",
   "subscribers": 10136,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:24:07.938Z",
   "subscribers": 10130,
   "source": 4
  },
  {
   "ts": "2026-08-18T19:56:04.950Z",
   "subscribers": 10125,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:24:21.628Z",
   "subscribers": 10120,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:23:08.911Z",
   "subscribers": 10116,
   "source": 4
  },
  {
   "ts": "2026-08-21T19:38:51.350Z",
   "subscribers": 10115,
   "source": 4
  },
  {
   "ts": "2026-08-22T21:01:51.794Z",
   "subscribers": 10115,
   "source": 1
  },
  {
   "ts": "2026-08-23T04:34:40.507Z",
   "subscribers": 10109,
   "source": 4
  },
  {
   "ts": "2026-08-24T20:44:47.361Z",
   "subscribers": 10098,
   "source": 4
  },
  {
   "ts": "2026-08-25T22:32:58.575Z",
   "subscribers": 10094,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:18:55.071Z",
   "subscribers": 10088,
   "source": 4
  }
 ]
}