{
 "meta": {
  "dataset": "Subscriber history — @Letter_Q17",
  "channel": "https://tgregister.com/channel/Letter_Q17",
  "retrieved_at": "2026-08-20T18:13:59.519Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-08T13:15:46.917Z",
   "to": "2026-08-19T19:06:13.878Z"
  },
  "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": "2026-08-08T13:15:46.917Z",
   "subscribers": 11449,
   "source": 3
  },
  {
   "ts": "2026-08-08T21:01:34.938Z",
   "subscribers": 11246,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:52:35.255Z",
   "subscribers": 10966,
   "source": 4
  },
  {
   "ts": "2026-08-11T00:18:47.347Z",
   "subscribers": 10706,
   "source": 4
  },
  {
   "ts": "2026-08-11T23:53:33.477Z",
   "subscribers": 10542,
   "source": 4
  },
  {
   "ts": "2026-08-13T01:37:32.496Z",
   "subscribers": 10557,
   "source": 4
  },
  {
   "ts": "2026-08-14T06:36:42.302Z",
   "subscribers": 10499,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:27:36.262Z",
   "subscribers": 10488,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:35:06.150Z",
   "subscribers": 10389,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:58:23.576Z",
   "subscribers": 10358,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:55:41.495Z",
   "subscribers": 10332,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:06:13.878Z",
   "subscribers": 10289,
   "source": 4
  }
 ]
}