{
 "meta": {
  "dataset": "Subscriber history — @pda_4",
  "channel": "https://tgregister.com/channel/pda_4",
  "retrieved_at": "2026-08-18T06:55:42.402Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T08:24:16.872Z",
   "to": "2026-08-17T19:37:45.344Z"
  },
  "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": "2026-08-07T08:24:16.872Z",
   "subscribers": 89151,
   "source": 0
  },
  {
   "ts": "2026-08-07T08:30:06.994Z",
   "subscribers": 89151,
   "source": 3
  },
  {
   "ts": "2026-08-07T15:55:57.502Z",
   "subscribers": 89146,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:22:12.439Z",
   "subscribers": 89134,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:15:30.557Z",
   "subscribers": 89119,
   "source": 4
  },
  {
   "ts": "2026-08-10T12:34:32.554Z",
   "subscribers": 89101,
   "source": 4
  },
  {
   "ts": "2026-08-11T15:14:09.218Z",
   "subscribers": 89084,
   "source": 4
  },
  {
   "ts": "2026-08-12T13:55:35.970Z",
   "subscribers": 89067,
   "source": 4
  },
  {
   "ts": "2026-08-13T12:36:47.255Z",
   "subscribers": 89031,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:38:02.410Z",
   "subscribers": 89009,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:22:57.318Z",
   "subscribers": 88978,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:37:45.344Z",
   "subscribers": 88956,
   "source": 4
  }
 ]
}