{
 "meta": {
  "dataset": "Subscriber history — @upgrader_pro",
  "channel": "https://tgregister.com/channel/upgrader_pro",
  "retrieved_at": "2026-08-19T07:24:44.464Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-06T05:37:34.317Z",
   "to": "2026-08-18T10:43:37.834Z"
  },
  "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": "2026-08-06T05:37:34.317Z",
   "subscribers": 139995,
   "source": 0
  },
  {
   "ts": "2026-08-06T05:45:17.344Z",
   "subscribers": 139995,
   "source": 3
  },
  {
   "ts": "2026-08-06T11:41:37.121Z",
   "subscribers": 139921,
   "source": 4
  },
  {
   "ts": "2026-08-07T12:30:32.039Z",
   "subscribers": 140705,
   "source": 4
  },
  {
   "ts": "2026-08-08T09:45:04.389Z",
   "subscribers": 141106,
   "source": 4
  },
  {
   "ts": "2026-08-09T08:51:06.116Z",
   "subscribers": 142148,
   "source": 4
  },
  {
   "ts": "2026-08-10T07:00:59.894Z",
   "subscribers": 142131,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:57:49.210Z",
   "subscribers": 142063,
   "source": 4
  },
  {
   "ts": "2026-08-12T04:12:15.005Z",
   "subscribers": 141832,
   "source": 4
  },
  {
   "ts": "2026-08-13T03:24:58.370Z",
   "subscribers": 141701,
   "source": 4
  },
  {
   "ts": "2026-08-14T12:28:16.072Z",
   "subscribers": 141385,
   "source": 4
  },
  {
   "ts": "2026-08-16T02:38:23.078Z",
   "subscribers": 142114,
   "source": 4
  },
  {
   "ts": "2026-08-17T11:55:05.140Z",
   "subscribers": 143253,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:43:37.834Z",
   "subscribers": 143661,
   "source": 4
  }
 ]
}
