{
 "meta": {
  "dataset": "Subscriber history — @format_kr",
  "channel": "https://tgregister.com/channel/format_kr",
  "retrieved_at": "2026-08-18T03:22:50.133Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-07T21:15:20.934Z",
   "to": "2026-08-17T10:47:48.212Z"
  },
  "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": "2026-08-07T21:15:20.934Z",
   "subscribers": 17366,
   "source": 3
  },
  {
   "ts": "2026-08-07T23:28:36.030Z",
   "subscribers": 17362,
   "source": 4
  },
  {
   "ts": "2026-08-08T21:36:45.904Z",
   "subscribers": 17359,
   "source": 4
  },
  {
   "ts": "2026-08-09T23:36:33.892Z",
   "subscribers": 17377,
   "source": 4
  },
  {
   "ts": "2026-08-10T23:14:29.884Z",
   "subscribers": 17357,
   "source": 4
  },
  {
   "ts": "2026-08-11T23:17:46.574Z",
   "subscribers": 17332,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:45:54.962Z",
   "subscribers": 17298,
   "source": 4
  },
  {
   "ts": "2026-08-14T10:38:15.616Z",
   "subscribers": 17313,
   "source": 4
  },
  {
   "ts": "2026-08-15T20:27:56.996Z",
   "subscribers": 17353,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:47:48.212Z",
   "subscribers": 17347,
   "source": 4
  }
 ]
}