{
 "meta": {
  "dataset": "Subscriber history — @FreeBOOK_Com",
  "channel": "https://tgregister.com/channel/FreeBOOK_Com",
  "retrieved_at": "2026-08-17T16:22:00.436Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-06T13:52:18.053Z",
   "to": "2026-08-17T15:34:25.789Z"
  },
  "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": "2026-08-06T13:52:18.053Z",
   "subscribers": 49210,
   "source": 0
  },
  {
   "ts": "2026-08-06T14:00:16.257Z",
   "subscribers": 49210,
   "source": 3
  },
  {
   "ts": "2026-08-07T13:10:40.225Z",
   "subscribers": 49201,
   "source": 4
  },
  {
   "ts": "2026-08-08T12:06:03.096Z",
   "subscribers": 49177,
   "source": 4
  },
  {
   "ts": "2026-08-09T10:35:58.827Z",
   "subscribers": 49164,
   "source": 4
  },
  {
   "ts": "2026-08-10T11:34:30.030Z",
   "subscribers": 49153,
   "source": 4
  },
  {
   "ts": "2026-08-11T13:16:15.265Z",
   "subscribers": 49138,
   "source": 4
  },
  {
   "ts": "2026-08-12T15:44:23.745Z",
   "subscribers": 49125,
   "source": 4
  },
  {
   "ts": "2026-08-13T14:18:59.861Z",
   "subscribers": 49113,
   "source": 4
  },
  {
   "ts": "2026-08-14T20:19:03.334Z",
   "subscribers": 49097,
   "source": 4
  },
  {
   "ts": "2026-08-16T06:52:55.461Z",
   "subscribers": 49079,
   "source": 4
  },
  {
   "ts": "2026-08-17T15:34:25.789Z",
   "subscribers": 49061,
   "source": 4
  }
 ]
}