{
 "meta": {
  "dataset": "Subscriber history — @black_white_Library",
  "channel": "https://tgregister.com/channel/black_white_Library",
  "retrieved_at": "2026-08-20T14:11:31.664Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-07T19:18:28.546Z",
   "to": "2026-08-20T11:08:38.364Z"
  },
  "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": "2026-08-07T19:18:28.546Z",
   "subscribers": 84632,
   "source": 0
  },
  {
   "ts": "2026-08-08T11:03:15.220Z",
   "subscribers": 84620,
   "source": 4
  },
  {
   "ts": "2026-08-09T07:52:54.437Z",
   "subscribers": 84627,
   "source": 4
  },
  {
   "ts": "2026-08-10T05:21:28.991Z",
   "subscribers": 84622,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:54:30.903Z",
   "subscribers": 84622,
   "source": 1
  },
  {
   "ts": "2026-08-12T03:33:06.514Z",
   "subscribers": 84635,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:48:55.534Z",
   "subscribers": 84614,
   "source": 4
  },
  {
   "ts": "2026-08-14T09:45:09.086Z",
   "subscribers": 84609,
   "source": 4
  },
  {
   "ts": "2026-08-15T18:58:42.191Z",
   "subscribers": 84619,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:18:03.913Z",
   "subscribers": 84623,
   "source": 4
  },
  {
   "ts": "2026-08-18T12:54:40.908Z",
   "subscribers": 84622,
   "source": 4
  },
  {
   "ts": "2026-08-19T12:28:31.734Z",
   "subscribers": 84617,
   "source": 4
  },
  {
   "ts": "2026-08-20T11:08:38.364Z",
   "subscribers": 84635,
   "source": 4
  }
 ]
}