{
 "meta": {
  "dataset": "Subscriber history — @practice_book",
  "channel": "https://tgregister.com/channel/practice_book",
  "retrieved_at": "2026-09-03T00:27:31.813Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 22,
  "window": {
   "from": "2026-08-11T03:30:06.220Z",
   "to": "2026-09-02T13:23:57.618Z"
  },
  "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": "2026-08-11T03:30:06.220Z",
   "subscribers": 13963,
   "source": 0
  },
  {
   "ts": "2026-08-12T01:12:22.670Z",
   "subscribers": 13954,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:14:12.898Z",
   "subscribers": 13938,
   "source": 4
  },
  {
   "ts": "2026-08-14T13:58:37.656Z",
   "subscribers": 13932,
   "source": 4
  },
  {
   "ts": "2026-08-16T04:39:00.144Z",
   "subscribers": 13918,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:17:57.926Z",
   "subscribers": 13900,
   "source": 4
  },
  {
   "ts": "2026-08-18T08:52:05.658Z",
   "subscribers": 13895,
   "source": 4
  },
  {
   "ts": "2026-08-19T06:02:29.160Z",
   "subscribers": 13885,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:55:36.534Z",
   "subscribers": 13885,
   "source": 1
  },
  {
   "ts": "2026-08-20T09:35:34.738Z",
   "subscribers": 13872,
   "source": 4
  },
  {
   "ts": "2026-08-21T09:04:42.123Z",
   "subscribers": 13861,
   "source": 4
  },
  {
   "ts": "2026-08-22T17:26:21.162Z",
   "subscribers": 13850,
   "source": 4
  },
  {
   "ts": "2026-08-24T06:33:13.576Z",
   "subscribers": 13836,
   "source": 4
  },
  {
   "ts": "2026-08-25T06:38:35.771Z",
   "subscribers": 13823,
   "source": 4
  },
  {
   "ts": "2026-08-26T08:13:08.424Z",
   "subscribers": 13817,
   "source": 4
  },
  {
   "ts": "2026-08-27T08:16:11.494Z",
   "subscribers": 13816,
   "source": 4
  },
  {
   "ts": "2026-08-28T06:28:55.670Z",
   "subscribers": 13808,
   "source": 4
  },
  {
   "ts": "2026-08-29T05:13:13.790Z",
   "subscribers": 13798,
   "source": 4
  },
  {
   "ts": "2026-08-30T06:55:06.370Z",
   "subscribers": 13782,
   "source": 4
  },
  {
   "ts": "2026-08-31T09:13:43.916Z",
   "subscribers": 13773,
   "source": 4
  },
  {
   "ts": "2026-09-01T11:29:21.419Z",
   "subscribers": 13764,
   "source": 4
  },
  {
   "ts": "2026-09-02T13:23:57.618Z",
   "subscribers": 13752,
   "source": 4
  }
 ]
}