{
 "meta": {
  "dataset": "Subscriber history — @promchat",
  "channel": "https://tgregister.com/channel/promchat",
  "retrieved_at": "2026-08-18T07:26:28.729Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-06T12:46:41.600Z",
   "to": "2026-08-17T12:14:14.836Z"
  },
  "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": "2026-08-06T12:46:41.600Z",
   "subscribers": 23519,
   "source": 3
  },
  {
   "ts": "2026-08-07T06:36:07.495Z",
   "subscribers": 23520,
   "source": 4
  },
  {
   "ts": "2026-08-08T06:22:24.005Z",
   "subscribers": 23516,
   "source": 4
  },
  {
   "ts": "2026-08-09T07:54:18.547Z",
   "subscribers": 23506,
   "source": 4
  },
  {
   "ts": "2026-08-10T07:06:33.643Z",
   "subscribers": 23501,
   "source": 4
  },
  {
   "ts": "2026-08-11T03:47:24.537Z",
   "subscribers": 23496,
   "source": 4
  },
  {
   "ts": "2026-08-12T06:06:35.796Z",
   "subscribers": 23500,
   "source": 4
  },
  {
   "ts": "2026-08-13T05:33:26.918Z",
   "subscribers": 23496,
   "source": 4
  },
  {
   "ts": "2026-08-14T14:07:06.282Z",
   "subscribers": 23497,
   "source": 4
  },
  {
   "ts": "2026-08-16T01:48:23.248Z",
   "subscribers": 23500,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:14:14.836Z",
   "subscribers": 23491,
   "source": 4
  }
 ]
}