{
 "meta": {
  "dataset": "Subscriber history — @ChineseLanguageSelfStudy",
  "channel": "https://tgregister.com/channel/ChineseLanguageSelfStudy",
  "retrieved_at": "2026-09-09T03:17:00.631Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-24T01:45:35.545Z",
   "to": "2026-09-07T03:58:25.028Z"
  },
  "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": "2026-08-24T01:45:35.545Z",
   "subscribers": 19106,
   "source": 3
  },
  {
   "ts": "2026-08-25T02:53:45.933Z",
   "subscribers": 19096,
   "source": 4
  },
  {
   "ts": "2026-08-26T00:18:53.419Z",
   "subscribers": 19092,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:36:26.230Z",
   "subscribers": 19087,
   "source": 4
  },
  {
   "ts": "2026-08-27T21:14:29.772Z",
   "subscribers": 19093,
   "source": 4
  },
  {
   "ts": "2026-08-28T20:36:57.357Z",
   "subscribers": 19095,
   "source": 4
  },
  {
   "ts": "2026-08-29T18:29:05.872Z",
   "subscribers": 19098,
   "source": 4
  },
  {
   "ts": "2026-08-30T17:25:46.936Z",
   "subscribers": 19092,
   "source": 4
  },
  {
   "ts": "2026-08-31T19:16:16.838Z",
   "subscribers": 19082,
   "source": 4
  },
  {
   "ts": "2026-09-01T18:55:08.538Z",
   "subscribers": 19080,
   "source": 4
  },
  {
   "ts": "2026-09-02T20:28:04.361Z",
   "subscribers": 19083,
   "source": 4
  },
  {
   "ts": "2026-09-04T10:17:47.178Z",
   "subscribers": 19082,
   "source": 4
  },
  {
   "ts": "2026-09-07T03:58:25.028Z",
   "subscribers": 19074,
   "source": 4
  }
 ]
}