{
 "meta": {
  "dataset": "Subscriber history — @ProcessEngineeringGroup",
  "channel": "https://tgregister.com/channel/ProcessEngineeringGroup",
  "retrieved_at": "2026-09-03T11:45:03.237Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-06T17:37:48.907Z",
   "to": "2026-09-01T13:36:47.665Z"
  },
  "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": "2026-08-06T17:37:48.907Z",
   "subscribers": 5249,
   "source": 0
  },
  {
   "ts": "2026-08-07T10:40:37.329Z",
   "subscribers": 5251,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:21:37.288Z",
   "subscribers": 5255,
   "source": 4
  },
  {
   "ts": "2026-08-13T09:46:49.705Z",
   "subscribers": 5256,
   "source": 4
  },
  {
   "ts": "2026-08-16T22:06:32.800Z",
   "subscribers": 5275,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:27:40.768Z",
   "subscribers": 5279,
   "source": 4
  },
  {
   "ts": "2026-08-23T01:51:15.756Z",
   "subscribers": 5294,
   "source": 4
  },
  {
   "ts": "2026-08-26T11:04:14.695Z",
   "subscribers": 5290,
   "source": 4
  },
  {
   "ts": "2026-08-29T16:06:20.300Z",
   "subscribers": 5288,
   "source": 4
  },
  {
   "ts": "2026-08-31T21:28:46.369Z",
   "subscribers": 5288,
   "source": 1
  },
  {
   "ts": "2026-09-01T13:36:47.665Z",
   "subscribers": 5287,
   "source": 4
  }
 ]
}
