{
 "meta": {
  "dataset": "Subscriber history — @EssentialGrammarInUse4thEdition",
  "channel": "https://tgregister.com/channel/EssentialGrammarInUse4thEdition",
  "retrieved_at": "2026-09-08T19:31:38.287Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 20,
  "window": {
   "from": "2026-08-15T20:15:40.518Z",
   "to": "2026-09-08T05:37:34.087Z"
  },
  "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": "2026-08-15T20:15:40.518Z",
   "subscribers": 11666,
   "source": 3
  },
  {
   "ts": "2026-08-16T19:45:13.532Z",
   "subscribers": 11674,
   "source": 4
  },
  {
   "ts": "2026-08-17T23:02:44.184Z",
   "subscribers": 11681,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:58:34.240Z",
   "subscribers": 11690,
   "source": 4
  },
  {
   "ts": "2026-08-20T00:07:15.933Z",
   "subscribers": 11699,
   "source": 4
  },
  {
   "ts": "2026-08-20T21:15:30.187Z",
   "subscribers": 11715,
   "source": 4
  },
  {
   "ts": "2026-08-22T01:17:24.850Z",
   "subscribers": 11726,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:35:23.113Z",
   "subscribers": 11740,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:52:09.760Z",
   "subscribers": 11751,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:59:01.302Z",
   "subscribers": 11757,
   "source": 4
  },
  {
   "ts": "2026-08-27T03:45:30.028Z",
   "subscribers": 11760,
   "source": 4
  },
  {
   "ts": "2026-08-28T03:57:47.880Z",
   "subscribers": 11769,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:45:30.244Z",
   "subscribers": 11772,
   "source": 4
  },
  {
   "ts": "2026-08-30T02:38:38.384Z",
   "subscribers": 11774,
   "source": 4
  },
  {
   "ts": "2026-08-31T05:03:10.341Z",
   "subscribers": 11780,
   "source": 4
  },
  {
   "ts": "2026-09-01T04:14:37.904Z",
   "subscribers": 11789,
   "source": 4
  },
  {
   "ts": "2026-09-02T02:52:29.083Z",
   "subscribers": 11802,
   "source": 4
  },
  {
   "ts": "2026-09-03T10:43:43.131Z",
   "subscribers": 11804,
   "source": 4
  },
  {
   "ts": "2026-09-05T01:18:43.001Z",
   "subscribers": 11806,
   "source": 4
  },
  {
   "ts": "2026-09-08T05:37:34.087Z",
   "subscribers": 11852,
   "source": 4
  }
 ]
}