{
 "meta": {
  "dataset": "Subscriber history — @selfdevbooks",
  "channel": "https://tgregister.com/channel/selfdevbooks",
  "retrieved_at": "2026-09-08T02:07:28.734Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 23,
  "window": {
   "from": "2026-08-13T10:45:27.378Z",
   "to": "2026-09-07T15:36:19.697Z"
  },
  "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": "2026-08-13T10:45:27.378Z",
   "subscribers": 23237,
   "source": 0
  },
  {
   "ts": "2026-08-13T23:47:36.994Z",
   "subscribers": 23250,
   "source": 4
  },
  {
   "ts": "2026-08-15T09:17:48.870Z",
   "subscribers": 23269,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:17:01.283Z",
   "subscribers": 23269,
   "source": 1
  },
  {
   "ts": "2026-08-16T19:24:49.643Z",
   "subscribers": 23281,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:04:16.654Z",
   "subscribers": 23290,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:35:33.998Z",
   "subscribers": 23304,
   "source": 4
  },
  {
   "ts": "2026-08-20T00:14:39.024Z",
   "subscribers": 23311,
   "source": 4
  },
  {
   "ts": "2026-08-21T00:22:55.133Z",
   "subscribers": 23332,
   "source": 4
  },
  {
   "ts": "2026-08-22T06:15:59.964Z",
   "subscribers": 23337,
   "source": 4
  },
  {
   "ts": "2026-08-23T17:58:44.478Z",
   "subscribers": 23357,
   "source": 4
  },
  {
   "ts": "2026-08-25T02:54:41.796Z",
   "subscribers": 23373,
   "source": 4
  },
  {
   "ts": "2026-08-26T00:56:25.424Z",
   "subscribers": 23383,
   "source": 4
  },
  {
   "ts": "2026-08-27T03:18:07.776Z",
   "subscribers": 23393,
   "source": 4
  },
  {
   "ts": "2026-08-28T03:04:37.842Z",
   "subscribers": 23405,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:47:15.449Z",
   "subscribers": 23413,
   "source": 4
  },
  {
   "ts": "2026-08-29T23:07:39.512Z",
   "subscribers": 23436,
   "source": 4
  },
  {
   "ts": "2026-08-30T23:19:06.951Z",
   "subscribers": 23465,
   "source": 4
  },
  {
   "ts": "2026-09-01T00:36:44.346Z",
   "subscribers": 23491,
   "source": 4
  },
  {
   "ts": "2026-09-02T03:36:58.204Z",
   "subscribers": 23513,
   "source": 4
  },
  {
   "ts": "2026-09-03T05:54:31.786Z",
   "subscribers": 23528,
   "source": 4
  },
  {
   "ts": "2026-09-04T19:00:57.040Z",
   "subscribers": 23568,
   "source": 4
  },
  {
   "ts": "2026-09-07T15:36:19.697Z",
   "subscribers": 23626,
   "source": 4
  }
 ]
}