{
 "meta": {
  "dataset": "Subscriber history — @engpapersz",
  "channel": "https://tgregister.com/channel/engpapersz",
  "retrieved_at": "2026-09-09T10:22:38.898Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T16:46:21.622Z",
   "to": "2026-09-07T13:41:53.736Z"
  },
  "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": "2026-08-07T16:46:21.622Z",
   "subscribers": 3570,
   "source": 0
  },
  {
   "ts": "2026-08-08T13:36:35.991Z",
   "subscribers": 3578,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:14:25.061Z",
   "subscribers": 3588,
   "source": 4
  },
  {
   "ts": "2026-08-14T18:13:58.464Z",
   "subscribers": 3592,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:27:36.911Z",
   "subscribers": 3591,
   "source": 4
  },
  {
   "ts": "2026-08-20T21:04:05.316Z",
   "subscribers": 3599,
   "source": 4
  },
  {
   "ts": "2026-08-24T12:55:20.834Z",
   "subscribers": 3609,
   "source": 4
  },
  {
   "ts": "2026-08-27T06:53:02.943Z",
   "subscribers": 3611,
   "source": 4
  },
  {
   "ts": "2026-08-30T02:03:35.232Z",
   "subscribers": 3615,
   "source": 4
  },
  {
   "ts": "2026-09-01T18:18:33.956Z",
   "subscribers": 3621,
   "source": 4
  },
  {
   "ts": "2026-09-05T07:37:42.585Z",
   "subscribers": 3625,
   "source": 4
  },
  {
   "ts": "2026-09-07T13:41:53.736Z",
   "subscribers": 3625,
   "source": 1
  }
 ]
}