{
 "meta": {
  "dataset": "Subscriber history — @personalitydevelopmentbooks",
  "channel": "https://tgregister.com/channel/personalitydevelopmentbooks",
  "retrieved_at": "2026-09-10T07:05:06.354Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-06T12:20:28.325Z",
   "to": "2026-09-08T14:55:58.326Z"
  },
  "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": "2026-08-06T12:20:28.325Z",
   "subscribers": 12769,
   "source": 0
  },
  {
   "ts": "2026-08-06T14:13:47.877Z",
   "subscribers": 12768,
   "source": 4
  },
  {
   "ts": "2026-08-07T12:30:25.589Z",
   "subscribers": 12767,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:04:53.076Z",
   "subscribers": 12762,
   "source": 4
  },
  {
   "ts": "2026-08-09T16:03:48.642Z",
   "subscribers": 12755,
   "source": 4
  },
  {
   "ts": "2026-08-10T14:38:14.977Z",
   "subscribers": 12754,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:13:15.750Z",
   "subscribers": 12750,
   "source": 4
  },
  {
   "ts": "2026-08-12T18:03:32.705Z",
   "subscribers": 12752,
   "source": 4
  },
  {
   "ts": "2026-08-13T23:45:12.712Z",
   "subscribers": 12749,
   "source": 4
  },
  {
   "ts": "2026-08-15T07:49:26.858Z",
   "subscribers": 12747,
   "source": 4
  },
  {
   "ts": "2026-08-16T18:03:40.400Z",
   "subscribers": 12742,
   "source": 4
  },
  {
   "ts": "2026-08-19T16:15:46.152Z",
   "subscribers": 12737,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:37:31.595Z",
   "subscribers": 12737,
   "source": 1
  },
  {
   "ts": "2026-08-20T17:08:46.841Z",
   "subscribers": 12736,
   "source": 4
  },
  {
   "ts": "2026-08-21T18:18:07.400Z",
   "subscribers": 12735,
   "source": 4
  },
  {
   "ts": "2026-08-23T10:17:52.869Z",
   "subscribers": 12730,
   "source": 4
  },
  {
   "ts": "2026-08-25T00:13:42.252Z",
   "subscribers": 12727,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:29:11.102Z",
   "subscribers": 12723,
   "source": 4
  },
  {
   "ts": "2026-08-27T02:59:13.175Z",
   "subscribers": 12726,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:57:12.591Z",
   "subscribers": 12728,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:18:46.641Z",
   "subscribers": 12721,
   "source": 4
  },
  {
   "ts": "2026-08-30T01:04:29.223Z",
   "subscribers": 12719,
   "source": 4
  },
  {
   "ts": "2026-08-31T01:27:05.415Z",
   "subscribers": 12708,
   "source": 4
  },
  {
   "ts": "2026-09-01T01:44:59.843Z",
   "subscribers": 12705,
   "source": 4
  },
  {
   "ts": "2026-09-02T04:03:41.594Z",
   "subscribers": 12702,
   "source": 4
  },
  {
   "ts": "2026-09-05T06:55:23.406Z",
   "subscribers": 12704,
   "source": 4
  },
  {
   "ts": "2026-09-08T14:55:58.326Z",
   "subscribers": 12701,
   "source": 4
  }
 ]
}