{
 "meta": {
  "dataset": "Subscriber history — @SmartBookN1",
  "channel": "https://tgregister.com/channel/SmartBookN1",
  "retrieved_at": "2026-09-10T07:01:42.903Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T19:05:12.155Z",
   "to": "2026-09-09T21:16:47.621Z"
  },
  "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": "2026-08-07T19:05:12.155Z",
   "subscribers": 18527,
   "source": 0
  },
  {
   "ts": "2026-08-07T19:16:12.162Z",
   "subscribers": 18527,
   "source": 3
  },
  {
   "ts": "2026-08-08T00:12:29.835Z",
   "subscribers": 18533,
   "source": 4
  },
  {
   "ts": "2026-08-08T20:52:42.561Z",
   "subscribers": 18539,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:52:43.792Z",
   "subscribers": 18566,
   "source": 4
  },
  {
   "ts": "2026-08-10T22:26:37.609Z",
   "subscribers": 18588,
   "source": 4
  },
  {
   "ts": "2026-08-11T20:13:47.286Z",
   "subscribers": 18607,
   "source": 4
  },
  {
   "ts": "2026-08-12T17:14:33.189Z",
   "subscribers": 18606,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:18:17.605Z",
   "subscribers": 18612,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:58:27.880Z",
   "subscribers": 18602,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:48:49.097Z",
   "subscribers": 18853,
   "source": 4
  },
  {
   "ts": "2026-08-18T12:02:58.347Z",
   "subscribers": 18995,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:17:08.589Z",
   "subscribers": 19060,
   "source": 4
  },
  {
   "ts": "2026-08-20T13:25:46.234Z",
   "subscribers": 19133,
   "source": 4
  },
  {
   "ts": "2026-08-21T15:05:49.030Z",
   "subscribers": 19170,
   "source": 4
  },
  {
   "ts": "2026-08-23T02:46:10.484Z",
   "subscribers": 19238,
   "source": 4
  },
  {
   "ts": "2026-08-24T17:14:09.664Z",
   "subscribers": 19359,
   "source": 4
  },
  {
   "ts": "2026-08-25T14:45:48.495Z",
   "subscribers": 19434,
   "source": 4
  },
  {
   "ts": "2026-08-26T18:13:41.703Z",
   "subscribers": 19534,
   "source": 4
  },
  {
   "ts": "2026-08-27T19:24:44.815Z",
   "subscribers": 19619,
   "source": 4
  },
  {
   "ts": "2026-08-28T22:45:57.322Z",
   "subscribers": 19678,
   "source": 4
  },
  {
   "ts": "2026-08-29T20:16:15.342Z",
   "subscribers": 19741,
   "source": 4
  },
  {
   "ts": "2026-08-30T17:49:34.260Z",
   "subscribers": 19795,
   "source": 4
  },
  {
   "ts": "2026-08-31T18:48:50.714Z",
   "subscribers": 19874,
   "source": 4
  },
  {
   "ts": "2026-09-01T20:16:17.290Z",
   "subscribers": 19941,
   "source": 4
  },
  {
   "ts": "2026-09-02T20:49:43.093Z",
   "subscribers": 20011,
   "source": 4
  },
  {
   "ts": "2026-09-04T05:56:40.998Z",
   "subscribers": 20161,
   "source": 4
  },
  {
   "ts": "2026-09-06T14:36:22.315Z",
   "subscribers": 20352,
   "source": 4
  },
  {
   "ts": "2026-09-09T21:16:47.621Z",
   "subscribers": 20578,
   "source": 4
  }
 ]
}