{
 "meta": {
  "dataset": "Subscriber history — @GRADE001",
  "channel": "https://tgregister.com/channel/GRADE001",
  "retrieved_at": "2026-09-09T16:36:38.044Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-06T12:51:59.541Z",
   "to": "2026-09-07T17:16:29.454Z"
  },
  "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": "2026-08-06T12:51:59.541Z",
   "subscribers": 13501,
   "source": 0
  },
  {
   "ts": "2026-08-07T15:05:15.418Z",
   "subscribers": 13491,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:51:10.180Z",
   "subscribers": 13482,
   "source": 4
  },
  {
   "ts": "2026-08-09T14:15:37.805Z",
   "subscribers": 13471,
   "source": 4
  },
  {
   "ts": "2026-08-10T14:35:31.803Z",
   "subscribers": 13455,
   "source": 4
  },
  {
   "ts": "2026-08-11T14:22:08.628Z",
   "subscribers": 13448,
   "source": 4
  },
  {
   "ts": "2026-08-12T15:37:32.266Z",
   "subscribers": 13443,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:53:52.859Z",
   "subscribers": 13428,
   "source": 4
  },
  {
   "ts": "2026-08-15T07:54:55.800Z",
   "subscribers": 13476,
   "source": 4
  },
  {
   "ts": "2026-08-16T19:39:10.000Z",
   "subscribers": 13456,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:36:44.390Z",
   "subscribers": 13446,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:57:31.565Z",
   "subscribers": 13437,
   "source": 4
  },
  {
   "ts": "2026-08-19T20:42:55.504Z",
   "subscribers": 13437,
   "source": 1
  },
  {
   "ts": "2026-08-19T23:22:07.820Z",
   "subscribers": 13421,
   "source": 4
  },
  {
   "ts": "2026-08-20T21:03:30.080Z",
   "subscribers": 13413,
   "source": 4
  },
  {
   "ts": "2026-08-22T05:48:31.164Z",
   "subscribers": 13404,
   "source": 4
  },
  {
   "ts": "2026-08-23T19:37:52.912Z",
   "subscribers": 13396,
   "source": 4
  },
  {
   "ts": "2026-08-25T02:15:55.187Z",
   "subscribers": 13381,
   "source": 4
  },
  {
   "ts": "2026-08-26T00:03:40.590Z",
   "subscribers": 13368,
   "source": 4
  },
  {
   "ts": "2026-08-27T02:24:36.512Z",
   "subscribers": 13355,
   "source": 4
  },
  {
   "ts": "2026-08-28T03:53:57.523Z",
   "subscribers": 13337,
   "source": 4
  },
  {
   "ts": "2026-08-29T02:45:16.260Z",
   "subscribers": 13315,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:15:02.271Z",
   "subscribers": 13287,
   "source": 4
  },
  {
   "ts": "2026-08-30T21:25:46.746Z",
   "subscribers": 13258,
   "source": 4
  },
  {
   "ts": "2026-08-31T20:06:02.519Z",
   "subscribers": 13216,
   "source": 4
  },
  {
   "ts": "2026-09-01T21:34:28.670Z",
   "subscribers": 13187,
   "source": 4
  },
  {
   "ts": "2026-09-03T06:17:35.623Z",
   "subscribers": 13163,
   "source": 4
  },
  {
   "ts": "2026-09-04T18:37:12.106Z",
   "subscribers": 13132,
   "source": 4
  },
  {
   "ts": "2026-09-07T17:16:29.454Z",
   "subscribers": 13051,
   "source": 4
  }
 ]
}