{
 "meta": {
  "dataset": "Subscriber history — @Udemy4",
  "channel": "https://tgregister.com/channel/Udemy4",
  "retrieved_at": "2026-08-20T19:53:39.501Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 15,
  "window": {
   "from": "2026-08-07T00:37:45.034Z",
   "to": "2026-08-20T06:03:31.681Z"
  },
  "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": "2026-08-07T00:37:45.034Z",
   "subscribers": 255730,
   "source": 0
  },
  {
   "ts": "2026-08-07T00:45:17.684Z",
   "subscribers": 255730,
   "source": 3
  },
  {
   "ts": "2026-08-07T04:11:08.301Z",
   "subscribers": 255712,
   "source": 4
  },
  {
   "ts": "2026-08-08T01:44:12.512Z",
   "subscribers": 255650,
   "source": 4
  },
  {
   "ts": "2026-08-09T02:51:40.929Z",
   "subscribers": 255542,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:28:49.466Z",
   "subscribers": 255469,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:23:40.923Z",
   "subscribers": 255382,
   "source": 4
  },
  {
   "ts": "2026-08-12T00:12:46.102Z",
   "subscribers": 255273,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:47:17.590Z",
   "subscribers": 255209,
   "source": 4
  },
  {
   "ts": "2026-08-14T15:27:55.480Z",
   "subscribers": 255066,
   "source": 4
  },
  {
   "ts": "2026-08-16T05:05:57.035Z",
   "subscribers": 254972,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:13:33.634Z",
   "subscribers": 254877,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:18:47.701Z",
   "subscribers": 254815,
   "source": 4
  },
  {
   "ts": "2026-08-19T08:15:39.510Z",
   "subscribers": 254791,
   "source": 4
  },
  {
   "ts": "2026-08-20T06:03:31.681Z",
   "subscribers": 254798,
   "source": 4
  }
 ]
}