{
 "meta": {
  "dataset": "Subscriber history — @BSc_MSc_Physics_notes",
  "channel": "https://tgregister.com/channel/BSc_MSc_Physics_notes",
  "retrieved_at": "2026-09-10T07:15:35.873Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T18:20:37.567Z",
   "to": "2026-09-08T19:57:29.214Z"
  },
  "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": "2026-08-07T18:20:37.567Z",
   "subscribers": 15790,
   "source": 0
  },
  {
   "ts": "2026-08-08T09:46:31.477Z",
   "subscribers": 15798,
   "source": 4
  },
  {
   "ts": "2026-08-09T06:41:15.376Z",
   "subscribers": 15805,
   "source": 4
  },
  {
   "ts": "2026-08-10T10:05:12.049Z",
   "subscribers": 15809,
   "source": 4
  },
  {
   "ts": "2026-08-11T08:56:33.513Z",
   "subscribers": 15819,
   "source": 4
  },
  {
   "ts": "2026-08-12T07:14:24.348Z",
   "subscribers": 15830,
   "source": 4
  },
  {
   "ts": "2026-08-13T05:56:26.050Z",
   "subscribers": 15833,
   "source": 4
  },
  {
   "ts": "2026-08-14T14:28:45.292Z",
   "subscribers": 15891,
   "source": 4
  },
  {
   "ts": "2026-08-16T03:48:36.445Z",
   "subscribers": 15903,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:37:58.790Z",
   "subscribers": 15919,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:26:44.924Z",
   "subscribers": 15919,
   "source": 1
  },
  {
   "ts": "2026-08-18T13:45:39.478Z",
   "subscribers": 15924,
   "source": 4
  },
  {
   "ts": "2026-08-19T15:36:45.773Z",
   "subscribers": 15940,
   "source": 4
  },
  {
   "ts": "2026-08-20T13:53:26.212Z",
   "subscribers": 15958,
   "source": 4
  },
  {
   "ts": "2026-08-21T20:35:27.835Z",
   "subscribers": 15969,
   "source": 4
  },
  {
   "ts": "2026-08-23T11:38:09.363Z",
   "subscribers": 15988,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:48:51.965Z",
   "subscribers": 15992,
   "source": 4
  },
  {
   "ts": "2026-08-26T00:38:46.544Z",
   "subscribers": 15997,
   "source": 4
  },
  {
   "ts": "2026-08-27T04:15:57.940Z",
   "subscribers": 15998,
   "source": 4
  },
  {
   "ts": "2026-08-28T03:07:57.673Z",
   "subscribers": 16006,
   "source": 4
  },
  {
   "ts": "2026-08-29T05:23:12.968Z",
   "subscribers": 16004,
   "source": 4
  },
  {
   "ts": "2026-08-30T06:35:35.463Z",
   "subscribers": 16003,
   "source": 4
  },
  {
   "ts": "2026-08-31T08:17:34.737Z",
   "subscribers": 16010,
   "source": 4
  },
  {
   "ts": "2026-09-01T06:16:19.320Z",
   "subscribers": 16014,
   "source": 4
  },
  {
   "ts": "2026-09-02T04:03:16.371Z",
   "subscribers": 16019,
   "source": 4
  },
  {
   "ts": "2026-09-03T13:18:18.293Z",
   "subscribers": 16035,
   "source": 4
  },
  {
   "ts": "2026-09-05T13:41:26.647Z",
   "subscribers": 16023,
   "source": 4
  },
  {
   "ts": "2026-09-08T19:57:29.214Z",
   "subscribers": 16037,
   "source": 4
  }
 ]
}