{
 "meta": {
  "dataset": "Subscriber history — @study",
  "channel": "https://tgregister.com/channel/study",
  "retrieved_at": "2026-08-19T06:19:42.432Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-06T17:45:03.127Z",
   "to": "2026-08-18T18:12:50.395Z"
  },
  "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": "2026-08-06T17:45:03.127Z",
   "subscribers": 18121,
   "source": 3
  },
  {
   "ts": "2026-08-07T10:13:42.031Z",
   "subscribers": 18112,
   "source": 4
  },
  {
   "ts": "2026-08-08T10:35:25.888Z",
   "subscribers": 18100,
   "source": 4
  },
  {
   "ts": "2026-08-09T09:51:51.839Z",
   "subscribers": 18083,
   "source": 4
  },
  {
   "ts": "2026-08-10T08:46:57.033Z",
   "subscribers": 18070,
   "source": 4
  },
  {
   "ts": "2026-08-11T06:31:25.495Z",
   "subscribers": 18049,
   "source": 4
  },
  {
   "ts": "2026-08-12T08:14:07.703Z",
   "subscribers": 18031,
   "source": 4
  },
  {
   "ts": "2026-08-13T10:15:55.139Z",
   "subscribers": 18020,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:38:34.650Z",
   "subscribers": 17990,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:28:13.389Z",
   "subscribers": 17967,
   "source": 4
  },
  {
   "ts": "2026-08-17T16:38:55.741Z",
   "subscribers": 17950,
   "source": 4
  },
  {
   "ts": "2026-08-18T18:12:50.395Z",
   "subscribers": 17936,
   "source": 4
  }
 ]
}