{
 "meta": {
  "dataset": "Subscriber history — @book_new2021",
  "channel": "https://tgregister.com/channel/book_new2021",
  "retrieved_at": "2026-09-09T17:15:59.141Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 26,
  "window": {
   "from": "2026-08-07T00:45:27.620Z",
   "to": "2026-09-07T00:37:18.143Z"
  },
  "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": "2026-08-07T00:45:27.620Z",
   "subscribers": 13845,
   "source": 3
  },
  {
   "ts": "2026-08-07T14:11:12.135Z",
   "subscribers": 13840,
   "source": 4
  },
  {
   "ts": "2026-08-08T17:31:56.782Z",
   "subscribers": 13854,
   "source": 4
  },
  {
   "ts": "2026-08-09T17:02:07.149Z",
   "subscribers": 13908,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:57:15.137Z",
   "subscribers": 13929,
   "source": 4
  },
  {
   "ts": "2026-08-11T22:52:41.368Z",
   "subscribers": 13940,
   "source": 4
  },
  {
   "ts": "2026-08-13T01:14:37.458Z",
   "subscribers": 13976,
   "source": 4
  },
  {
   "ts": "2026-08-14T12:57:38.005Z",
   "subscribers": 13986,
   "source": 4
  },
  {
   "ts": "2026-08-16T05:36:14.566Z",
   "subscribers": 14024,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:34:42.886Z",
   "subscribers": 14079,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:28:18.474Z",
   "subscribers": 14108,
   "source": 4
  },
  {
   "ts": "2026-08-19T12:35:52.902Z",
   "subscribers": 14100,
   "source": 4
  },
  {
   "ts": "2026-08-20T12:45:31.945Z",
   "subscribers": 14008,
   "source": 4
  },
  {
   "ts": "2026-08-21T13:08:37.806Z",
   "subscribers": 13858,
   "source": 4
  },
  {
   "ts": "2026-08-22T23:23:34.315Z",
   "subscribers": 13727,
   "source": 4
  },
  {
   "ts": "2026-08-24T18:07:23.716Z",
   "subscribers": 13675,
   "source": 4
  },
  {
   "ts": "2026-08-25T18:04:50.281Z",
   "subscribers": 13660,
   "source": 4
  },
  {
   "ts": "2026-08-27T20:24:14.507Z",
   "subscribers": 13657,
   "source": 4
  },
  {
   "ts": "2026-08-28T18:34:57.301Z",
   "subscribers": 13649,
   "source": 4
  },
  {
   "ts": "2026-08-29T15:13:18.722Z",
   "subscribers": 13646,
   "source": 4
  },
  {
   "ts": "2026-08-30T14:08:37.900Z",
   "subscribers": 13644,
   "source": 4
  },
  {
   "ts": "2026-08-31T16:42:47.057Z",
   "subscribers": 13646,
   "source": 4
  },
  {
   "ts": "2026-09-01T17:52:29.313Z",
   "subscribers": 13633,
   "source": 4
  },
  {
   "ts": "2026-09-02T20:07:42.493Z",
   "subscribers": 13636,
   "source": 4
  },
  {
   "ts": "2026-09-04T09:41:02.230Z",
   "subscribers": 13658,
   "source": 4
  },
  {
   "ts": "2026-09-07T00:37:18.143Z",
   "subscribers": 13629,
   "source": 4
  }
 ]
}