{
 "meta": {
  "dataset": "Subscriber history — @psy_polytech",
  "channel": "https://tgregister.com/channel/psy_polytech",
  "retrieved_at": "2026-09-07T19:36:02.158Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-07T12:38:51.985Z",
   "to": "2026-09-03T19:58:10.804Z"
  },
  "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": "2026-08-07T12:38:51.985Z",
   "subscribers": 1828,
   "source": 0
  },
  {
   "ts": "2026-08-07T15:33:00.120Z",
   "subscribers": 1828,
   "source": 3
  },
  {
   "ts": "2026-08-08T04:18:35.470Z",
   "subscribers": 1833,
   "source": 4
  },
  {
   "ts": "2026-08-11T09:12:53.464Z",
   "subscribers": 1838,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:34:11.150Z",
   "subscribers": 1841,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:23:49.462Z",
   "subscribers": 1846,
   "source": 4
  },
  {
   "ts": "2026-08-20T19:07:17.878Z",
   "subscribers": 1853,
   "source": 4
  },
  {
   "ts": "2026-08-24T20:25:52.114Z",
   "subscribers": 1868,
   "source": 4
  },
  {
   "ts": "2026-08-28T01:23:44.223Z",
   "subscribers": 1866,
   "source": 4
  },
  {
   "ts": "2026-08-31T07:28:26.192Z",
   "subscribers": 1888,
   "source": 4
  },
  {
   "ts": "2026-09-03T19:58:10.804Z",
   "subscribers": 1949,
   "source": 4
  }
 ]
}