{
 "meta": {
  "dataset": "Subscriber history — @PDFology",
  "channel": "https://tgregister.com/channel/PDFology",
  "retrieved_at": "2026-08-18T05:04:16.496Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-06T11:03:18.399Z",
   "to": "2026-08-17T18:35:28.803Z"
  },
  "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": "2026-08-06T11:03:18.399Z",
   "subscribers": 67384,
   "source": 0
  },
  {
   "ts": "2026-08-07T02:02:19.288Z",
   "subscribers": 67374,
   "source": 4
  },
  {
   "ts": "2026-08-08T01:12:39.134Z",
   "subscribers": 67350,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:02:57.309Z",
   "subscribers": 67322,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:28:00.834Z",
   "subscribers": 67315,
   "source": 4
  },
  {
   "ts": "2026-08-10T22:34:02.697Z",
   "subscribers": 67298,
   "source": 4
  },
  {
   "ts": "2026-08-11T16:33:20.608Z",
   "subscribers": 67298,
   "source": 1
  },
  {
   "ts": "2026-08-11T20:32:12.287Z",
   "subscribers": 67289,
   "source": 4
  },
  {
   "ts": "2026-08-12T18:04:59.967Z",
   "subscribers": 67267,
   "source": 4
  },
  {
   "ts": "2026-08-13T15:07:45.671Z",
   "subscribers": 67258,
   "source": 4
  },
  {
   "ts": "2026-08-15T01:14:04.766Z",
   "subscribers": 67232,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:04:00.185Z",
   "subscribers": 67197,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:35:28.803Z",
   "subscribers": 67184,
   "source": 4
  }
 ]
}