{
 "meta": {
  "dataset": "Subscriber history — @ccc_exam_pdf_notes",
  "channel": "https://tgregister.com/channel/ccc_exam_pdf_notes",
  "retrieved_at": "2026-09-08T19:26:22.552Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-12T15:30:23.495Z",
   "to": "2026-09-04T15:55:46.547Z"
  },
  "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": "2026-08-12T15:30:23.495Z",
   "subscribers": 9391,
   "source": 0
  },
  {
   "ts": "2026-08-12T20:44:42.984Z",
   "subscribers": 9392,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:18:48.414Z",
   "subscribers": 9389,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:26:24.721Z",
   "subscribers": 9388,
   "source": 4
  },
  {
   "ts": "2026-08-23T08:33:26.544Z",
   "subscribers": 9393,
   "source": 4
  },
  {
   "ts": "2026-08-23T20:32:26.724Z",
   "subscribers": 9393,
   "source": 1
  },
  {
   "ts": "2026-08-26T15:24:43.952Z",
   "subscribers": 9387,
   "source": 4
  },
  {
   "ts": "2026-08-29T08:19:08.957Z",
   "subscribers": 9377,
   "source": 4
  },
  {
   "ts": "2026-09-01T07:27:54.885Z",
   "subscribers": 9367,
   "source": 4
  },
  {
   "ts": "2026-09-04T15:55:46.547Z",
   "subscribers": 9377,
   "source": 4
  }
 ]
}