{
 "meta": {
  "dataset": "Subscriber history — @BookLogChannel",
  "channel": "https://tgregister.com/channel/BookLogChannel",
  "retrieved_at": "2026-09-09T02:35:03.061Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T08:31:07.158Z",
   "to": "2026-09-07T07:00:35.058Z"
  },
  "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": "2026-08-07T08:31:07.158Z",
   "subscribers": 78272,
   "source": 3
  },
  {
   "ts": "2026-08-07T16:55:15.970Z",
   "subscribers": 78307,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:21:27.719Z",
   "subscribers": 78373,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:52:01.987Z",
   "subscribers": 78432,
   "source": 4
  },
  {
   "ts": "2026-08-10T12:08:59.424Z",
   "subscribers": 78522,
   "source": 4
  },
  {
   "ts": "2026-08-11T11:53:42.409Z",
   "subscribers": 78596,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:38:56.317Z",
   "subscribers": 78650,
   "source": 4
  },
  {
   "ts": "2026-08-13T11:17:24.026Z",
   "subscribers": 78744,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:23:48.174Z",
   "subscribers": 78844,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:34:46.318Z",
   "subscribers": 78998,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:33:55.525Z",
   "subscribers": 79169,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:37:01.422Z",
   "subscribers": 79269,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:05:57.089Z",
   "subscribers": 79341,
   "source": 4
  },
  {
   "ts": "2026-08-20T18:14:33.812Z",
   "subscribers": 79468,
   "source": 4
  },
  {
   "ts": "2026-08-21T21:38:04.070Z",
   "subscribers": 79536,
   "source": 4
  },
  {
   "ts": "2026-08-23T11:35:18.345Z",
   "subscribers": 79628,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:22:28.325Z",
   "subscribers": 79702,
   "source": 4
  },
  {
   "ts": "2026-08-26T02:33:55.119Z",
   "subscribers": 79749,
   "source": 4
  },
  {
   "ts": "2026-08-27T03:48:18.031Z",
   "subscribers": 79790,
   "source": 4
  },
  {
   "ts": "2026-08-28T06:16:00.729Z",
   "subscribers": 79838,
   "source": 4
  },
  {
   "ts": "2026-08-29T03:04:59.523Z",
   "subscribers": 79879,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:16:00.163Z",
   "subscribers": 79916,
   "source": 4
  },
  {
   "ts": "2026-08-30T20:57:48.216Z",
   "subscribers": 79947,
   "source": 4
  },
  {
   "ts": "2026-08-31T19:45:27.017Z",
   "subscribers": 80025,
   "source": 4
  },
  {
   "ts": "2026-09-01T20:55:05.868Z",
   "subscribers": 80057,
   "source": 4
  },
  {
   "ts": "2026-09-02T21:29:03.959Z",
   "subscribers": 80097,
   "source": 4
  },
  {
   "ts": "2026-09-04T13:42:13.974Z",
   "subscribers": 80157,
   "source": 4
  },
  {
   "ts": "2026-09-07T07:00:35.058Z",
   "subscribers": 80240,
   "source": 4
  }
 ]
}