{
 "meta": {
  "dataset": "Subscriber history — @ProductionEngineering",
  "channel": "https://tgregister.com/channel/ProductionEngineering",
  "retrieved_at": "2026-09-16T06:55:31.391Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-07T15:31:14.728Z",
   "to": "2026-09-15T19:58:11.390Z"
  },
  "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": "2026-08-07T15:31:14.728Z",
   "subscribers": 5183,
   "source": 0
  },
  {
   "ts": "2026-08-08T10:05:46.429Z",
   "subscribers": 5187,
   "source": 4
  },
  {
   "ts": "2026-08-11T10:05:06.151Z",
   "subscribers": 5194,
   "source": 4
  },
  {
   "ts": "2026-08-15T02:05:32.204Z",
   "subscribers": 5199,
   "source": 4
  },
  {
   "ts": "2026-08-18T05:32:43.640Z",
   "subscribers": 5216,
   "source": 4
  },
  {
   "ts": "2026-08-21T09:16:46.138Z",
   "subscribers": 5222,
   "source": 4
  },
  {
   "ts": "2026-08-24T18:48:26.832Z",
   "subscribers": 5232,
   "source": 4
  },
  {
   "ts": "2026-08-28T01:16:27.188Z",
   "subscribers": 5238,
   "source": 4
  },
  {
   "ts": "2026-08-30T19:56:26.644Z",
   "subscribers": 5252,
   "source": 4
  },
  {
   "ts": "2026-08-31T21:54:50.601Z",
   "subscribers": 5252,
   "source": 1
  },
  {
   "ts": "2026-09-03T11:37:26.281Z",
   "subscribers": 5261,
   "source": 4
  },
  {
   "ts": "2026-09-08T12:59:02.894Z",
   "subscribers": 5273,
   "source": 4
  },
  {
   "ts": "2026-09-12T08:37:44.118Z",
   "subscribers": 5276,
   "source": 4
  },
  {
   "ts": "2026-09-15T19:58:11.390Z",
   "subscribers": 5289,
   "source": 4
  }
 ]
}
