{
 "meta": {
  "dataset": "Subscriber history — @congdong99",
  "channel": "https://tgregister.com/channel/congdong99",
  "retrieved_at": "2026-09-10T15:03:25.631Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T06:50:16.190Z",
   "to": "2026-09-08T05:18:00.836Z"
  },
  "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": "2026-08-07T06:50:16.190Z",
   "subscribers": 9106,
   "source": 0
  },
  {
   "ts": "2026-08-07T20:32:47.863Z",
   "subscribers": 9102,
   "source": 4
  },
  {
   "ts": "2026-08-11T04:26:10.221Z",
   "subscribers": 9065,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:17:16.397Z",
   "subscribers": 9017,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:46:25.057Z",
   "subscribers": 8968,
   "source": 4
  },
  {
   "ts": "2026-08-21T03:23:53.637Z",
   "subscribers": 8912,
   "source": 4
  },
  {
   "ts": "2026-08-24T11:18:36.564Z",
   "subscribers": 8912,
   "source": 1
  },
  {
   "ts": "2026-08-25T00:42:18.006Z",
   "subscribers": 8825,
   "source": 4
  },
  {
   "ts": "2026-08-28T00:24:17.746Z",
   "subscribers": 8796,
   "source": 4
  },
  {
   "ts": "2026-08-31T00:37:59.437Z",
   "subscribers": 8748,
   "source": 4
  },
  {
   "ts": "2026-09-03T09:45:15.820Z",
   "subscribers": 8700,
   "source": 4
  },
  {
   "ts": "2026-09-08T05:18:00.836Z",
   "subscribers": 8642,
   "source": 4
  }
 ]
}