{
 "meta": {
  "dataset": "Subscriber history — @zongduhui",
  "channel": "https://tgregister.com/channel/zongduhui",
  "retrieved_at": "2026-08-19T10:31:35.170Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 16,
  "window": {
   "from": "2026-08-06T02:34:06.629Z",
   "to": "2026-08-18T20:55:10.731Z"
  },
  "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": "2026-08-06T02:34:06.629Z",
   "subscribers": 32808,
   "source": 3
  },
  {
   "ts": "2026-08-06T11:26:08.641Z",
   "subscribers": 32681,
   "source": 4
  },
  {
   "ts": "2026-08-07T13:50:30.444Z",
   "subscribers": 32508,
   "source": 4
  },
  {
   "ts": "2026-08-08T15:48:29.083Z",
   "subscribers": 32254,
   "source": 4
  },
  {
   "ts": "2026-08-09T19:02:00.236Z",
   "subscribers": 32085,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:11:27.668Z",
   "subscribers": 31833,
   "source": 4
  },
  {
   "ts": "2026-08-11T16:15:15.787Z",
   "subscribers": 31376,
   "source": 4
  },
  {
   "ts": "2026-08-12T13:55:01.377Z",
   "subscribers": 30942,
   "source": 4
  },
  {
   "ts": "2026-08-13T13:48:27.004Z",
   "subscribers": 30459,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:26:53.713Z",
   "subscribers": 29578,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:48:15.347Z",
   "subscribers": 28666,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:30:47.539Z",
   "subscribers": 28449,
   "source": 3
  },
  {
   "ts": "2026-08-17T11:46:10.041Z",
   "subscribers": 28235,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:55:22.345Z",
   "subscribers": 28034,
   "source": 4
  },
  {
   "ts": "2026-08-18T13:52:41.750Z",
   "subscribers": 27773,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:55:10.731Z",
   "subscribers": 27593,
   "source": 4
  }
 ]
}