{
 "meta": {
  "dataset": "Subscriber history — @BooksSigma",
  "channel": "https://tgregister.com/channel/BooksSigma",
  "retrieved_at": "2026-09-09T13:15:45.094Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T07:33:14.347Z",
   "to": "2026-09-07T01:02:29.565Z"
  },
  "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": "2026-08-07T07:33:14.347Z",
   "subscribers": 13103,
   "source": 0
  },
  {
   "ts": "2026-08-07T17:50:37.076Z",
   "subscribers": 13094,
   "source": 4
  },
  {
   "ts": "2026-08-08T15:11:13.569Z",
   "subscribers": 13080,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:11:58.442Z",
   "subscribers": 13074,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:17:26.181Z",
   "subscribers": 13064,
   "source": 4
  },
  {
   "ts": "2026-08-11T20:42:35.797Z",
   "subscribers": 13046,
   "source": 4
  },
  {
   "ts": "2026-08-12T18:47:59.921Z",
   "subscribers": 13031,
   "source": 4
  },
  {
   "ts": "2026-08-13T16:07:40.582Z",
   "subscribers": 13026,
   "source": 4
  },
  {
   "ts": "2026-08-15T01:26:40.117Z",
   "subscribers": 13007,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:43:48.199Z",
   "subscribers": 12988,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:55:18.720Z",
   "subscribers": 12973,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:58:34.240Z",
   "subscribers": 12957,
   "source": 4
  },
  {
   "ts": "2026-08-19T22:24:12.366Z",
   "subscribers": 12951,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:05:34.921Z",
   "subscribers": 12951,
   "source": 1
  },
  {
   "ts": "2026-08-20T23:02:49.706Z",
   "subscribers": 12948,
   "source": 4
  },
  {
   "ts": "2026-08-22T03:45:52.958Z",
   "subscribers": 12930,
   "source": 4
  },
  {
   "ts": "2026-08-23T23:14:27.568Z",
   "subscribers": 12906,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:34:39.464Z",
   "subscribers": 12888,
   "source": 4
  },
  {
   "ts": "2026-08-26T07:36:51.050Z",
   "subscribers": 12877,
   "source": 4
  },
  {
   "ts": "2026-08-27T10:27:58.453Z",
   "subscribers": 12864,
   "source": 4
  },
  {
   "ts": "2026-08-28T14:04:23.074Z",
   "subscribers": 12856,
   "source": 4
  },
  {
   "ts": "2026-08-29T13:14:00.512Z",
   "subscribers": 12850,
   "source": 4
  },
  {
   "ts": "2026-08-30T14:08:02.822Z",
   "subscribers": 12840,
   "source": 4
  },
  {
   "ts": "2026-08-31T11:53:29.761Z",
   "subscribers": 12818,
   "source": 4
  },
  {
   "ts": "2026-09-01T14:55:02.289Z",
   "subscribers": 12807,
   "source": 4
  },
  {
   "ts": "2026-09-02T19:24:06.107Z",
   "subscribers": 12803,
   "source": 4
  },
  {
   "ts": "2026-09-04T08:02:20.183Z",
   "subscribers": 12785,
   "source": 4
  },
  {
   "ts": "2026-09-07T01:02:29.565Z",
   "subscribers": 12755,
   "source": 4
  }
 ]
}