{
 "meta": {
  "dataset": "Subscriber history — @ComputerEngineeringBooks",
  "channel": "https://tgregister.com/channel/ComputerEngineeringBooks",
  "retrieved_at": "2026-08-25T17:19:54.067Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 17,
  "window": {
   "from": "2026-08-06T12:42:38.147Z",
   "to": "2026-08-25T04:02:20.121Z"
  },
  "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": "2026-08-06T12:42:38.147Z",
   "subscribers": 11841,
   "source": 0
  },
  {
   "ts": "2026-08-07T13:05:26.861Z",
   "subscribers": 11837,
   "source": 4
  },
  {
   "ts": "2026-08-08T11:54:33.529Z",
   "subscribers": 11838,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:01:33.848Z",
   "subscribers": 11835,
   "source": 4
  },
  {
   "ts": "2026-08-10T15:15:00.014Z",
   "subscribers": 11831,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:12:18.394Z",
   "subscribers": 11830,
   "source": 4
  },
  {
   "ts": "2026-08-13T15:57:20.238Z",
   "subscribers": 11828,
   "source": 4
  },
  {
   "ts": "2026-08-14T23:05:07.122Z",
   "subscribers": 11823,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:52:26.689Z",
   "subscribers": 11818,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:36:13.672Z",
   "subscribers": 11814,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:36:53.014Z",
   "subscribers": 11810,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:02:26.390Z",
   "subscribers": 11806,
   "source": 4
  },
  {
   "ts": "2026-08-20T18:05:03.423Z",
   "subscribers": 11805,
   "source": 4
  },
  {
   "ts": "2026-08-21T10:04:50.591Z",
   "subscribers": 11805,
   "source": 1
  },
  {
   "ts": "2026-08-22T04:57:53.492Z",
   "subscribers": 11797,
   "source": 4
  },
  {
   "ts": "2026-08-23T21:48:48.983Z",
   "subscribers": 11783,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:02:20.121Z",
   "subscribers": 11779,
   "source": 4
  }
 ]
}