{
 "meta": {
  "dataset": "Subscriber history — @librarypd",
  "channel": "https://tgregister.com/channel/librarypd",
  "retrieved_at": "2026-09-06T18:20:29.700Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-06T17:16:40.180Z",
   "to": "2026-09-05T19:58:39.151Z"
  },
  "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": "2026-08-06T17:16:40.180Z",
   "subscribers": 18936,
   "source": 0
  },
  {
   "ts": "2026-08-07T00:15:32.850Z",
   "subscribers": 18929,
   "source": 4
  },
  {
   "ts": "2026-08-08T01:48:44.730Z",
   "subscribers": 18921,
   "source": 4
  },
  {
   "ts": "2026-08-09T01:21:04.989Z",
   "subscribers": 18908,
   "source": 4
  },
  {
   "ts": "2026-08-09T23:32:01.388Z",
   "subscribers": 18890,
   "source": 4
  },
  {
   "ts": "2026-08-10T20:28:18.989Z",
   "subscribers": 18894,
   "source": 4
  },
  {
   "ts": "2026-08-11T22:43:05.036Z",
   "subscribers": 18873,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:13:51.216Z",
   "subscribers": 18862,
   "source": 4
  },
  {
   "ts": "2026-08-14T08:29:16.803Z",
   "subscribers": 18836,
   "source": 4
  },
  {
   "ts": "2026-08-15T20:27:03.342Z",
   "subscribers": 18878,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:08:45.478Z",
   "subscribers": 18878,
   "source": 1
  },
  {
   "ts": "2026-08-17T10:53:48.046Z",
   "subscribers": 18872,
   "source": 4
  },
  {
   "ts": "2026-08-18T09:52:28.717Z",
   "subscribers": 18869,
   "source": 4
  },
  {
   "ts": "2026-08-19T06:23:05.321Z",
   "subscribers": 18870,
   "source": 4
  },
  {
   "ts": "2026-08-20T04:27:20.718Z",
   "subscribers": 18848,
   "source": 4
  },
  {
   "ts": "2026-08-21T03:03:48.394Z",
   "subscribers": 18844,
   "source": 4
  },
  {
   "ts": "2026-08-22T15:53:05.663Z",
   "subscribers": 18839,
   "source": 4
  },
  {
   "ts": "2026-08-24T10:46:06.484Z",
   "subscribers": 18812,
   "source": 4
  },
  {
   "ts": "2026-08-25T14:06:23.771Z",
   "subscribers": 18781,
   "source": 4
  },
  {
   "ts": "2026-08-26T15:12:45.933Z",
   "subscribers": 18771,
   "source": 4
  },
  {
   "ts": "2026-08-27T13:08:42.207Z",
   "subscribers": 18766,
   "source": 4
  },
  {
   "ts": "2026-08-28T14:15:24.024Z",
   "subscribers": 18753,
   "source": 4
  },
  {
   "ts": "2026-08-29T11:06:17.185Z",
   "subscribers": 18745,
   "source": 4
  },
  {
   "ts": "2026-08-30T08:42:46.975Z",
   "subscribers": 18752,
   "source": 4
  },
  {
   "ts": "2026-08-31T10:17:32.694Z",
   "subscribers": 18740,
   "source": 4
  },
  {
   "ts": "2026-09-01T11:55:11.142Z",
   "subscribers": 18741,
   "source": 4
  },
  {
   "ts": "2026-09-02T10:22:49.531Z",
   "subscribers": 18764,
   "source": 4
  },
  {
   "ts": "2026-09-03T18:14:45.864Z",
   "subscribers": 18767,
   "source": 4
  },
  {
   "ts": "2026-09-05T19:58:39.151Z",
   "subscribers": 18755,
   "source": 4
  }
 ]
}