{
 "meta": {
  "dataset": "Subscriber history — @libri_pdf_gratis",
  "channel": "https://tgregister.com/channel/libri_pdf_gratis",
  "retrieved_at": "2026-08-18T06:32:05.234Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-06T17:17:57.423Z",
   "to": "2026-08-17T12:57:23.651Z"
  },
  "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": "2026-08-06T17:17:57.423Z",
   "subscribers": 85802,
   "source": 3
  },
  {
   "ts": "2026-08-07T08:03:57.542Z",
   "subscribers": 85814,
   "source": 4
  },
  {
   "ts": "2026-08-08T09:54:44.098Z",
   "subscribers": 85839,
   "source": 4
  },
  {
   "ts": "2026-08-09T09:52:34.730Z",
   "subscribers": 85863,
   "source": 4
  },
  {
   "ts": "2026-08-10T09:32:15.915Z",
   "subscribers": 85918,
   "source": 4
  },
  {
   "ts": "2026-08-11T10:37:25.559Z",
   "subscribers": 85953,
   "source": 4
  },
  {
   "ts": "2026-08-12T08:03:52.275Z",
   "subscribers": 86004,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:16:27.118Z",
   "subscribers": 86059,
   "source": 4
  },
  {
   "ts": "2026-08-14T17:25:53.597Z",
   "subscribers": 86125,
   "source": 4
  },
  {
   "ts": "2026-08-16T07:26:48.192Z",
   "subscribers": 86182,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:57:23.651Z",
   "subscribers": 86240,
   "source": 4
  }
 ]
}