{
 "meta": {
  "dataset": "Subscriber history — @Bookshelf13",
  "channel": "https://tgregister.com/channel/Bookshelf13",
  "retrieved_at": "2026-09-10T06:13:18.181Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-06T12:20:28.325Z",
   "to": "2026-09-08T06:00:02.494Z"
  },
  "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": 18514,
   "source": 0
  },
  {
   "ts": "2026-08-06T20:25:14.086Z",
   "subscribers": 18513,
   "source": 4
  },
  {
   "ts": "2026-08-07T20:31:55.630Z",
   "subscribers": 18511,
   "source": 4
  },
  {
   "ts": "2026-08-08T20:52:05.369Z",
   "subscribers": 18509,
   "source": 4
  },
  {
   "ts": "2026-08-09T18:41:18.905Z",
   "subscribers": 18499,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:08:26.990Z",
   "subscribers": 18500,
   "source": 4
  },
  {
   "ts": "2026-08-11T20:02:42.715Z",
   "subscribers": 18497,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:43:37.502Z",
   "subscribers": 18493,
   "source": 4
  },
  {
   "ts": "2026-08-13T17:37:52.372Z",
   "subscribers": 18490,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:17:31.726Z",
   "subscribers": 18476,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:53:10.346Z",
   "subscribers": 18471,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:37:57.390Z",
   "subscribers": 18471,
   "source": 1
  },
  {
   "ts": "2026-08-17T19:46:06.898Z",
   "subscribers": 18466,
   "source": 4
  },
  {
   "ts": "2026-08-18T19:55:52.426Z",
   "subscribers": 18462,
   "source": 4
  },
  {
   "ts": "2026-08-19T21:35:46.135Z",
   "subscribers": 18464,
   "source": 4
  },
  {
   "ts": "2026-08-22T04:48:00.410Z",
   "subscribers": 18456,
   "source": 4
  },
  {
   "ts": "2026-08-23T22:46:39.160Z",
   "subscribers": 18453,
   "source": 4
  },
  {
   "ts": "2026-08-25T03:56:14.511Z",
   "subscribers": 18450,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:28:41.487Z",
   "subscribers": 18447,
   "source": 4
  },
  {
   "ts": "2026-08-27T01:07:12.517Z",
   "subscribers": 18444,
   "source": 4
  },
  {
   "ts": "2026-08-28T01:34:33.843Z",
   "subscribers": 18441,
   "source": 4
  },
  {
   "ts": "2026-08-29T01:27:33.603Z",
   "subscribers": 18438,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:03:10.645Z",
   "subscribers": 18436,
   "source": 4
  },
  {
   "ts": "2026-08-31T02:36:49.555Z",
   "subscribers": 18435,
   "source": 4
  },
  {
   "ts": "2026-09-01T05:45:48.852Z",
   "subscribers": 18425,
   "source": 4
  },
  {
   "ts": "2026-09-02T04:13:10.412Z",
   "subscribers": 18423,
   "source": 4
  },
  {
   "ts": "2026-09-03T06:27:25.549Z",
   "subscribers": 18421,
   "source": 4
  },
  {
   "ts": "2026-09-04T23:20:06.830Z",
   "subscribers": 18415,
   "source": 4
  },
  {
   "ts": "2026-09-08T06:00:02.494Z",
   "subscribers": 18406,
   "source": 4
  }
 ]
}