{
 "meta": {
  "dataset": "Subscriber history — @USF_Umas21",
  "channel": "https://tgregister.com/channel/USF_Umas21",
  "retrieved_at": "2026-08-18T18:32:22.491Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-06T00:40:42.184Z",
   "to": "2026-08-18T11:47:10.960Z"
  },
  "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": "2026-08-06T00:40:42.184Z",
   "subscribers": 12449,
   "source": 0
  },
  {
   "ts": "2026-08-06T02:33:31.676Z",
   "subscribers": 12449,
   "source": 3
  },
  {
   "ts": "2026-08-06T21:53:10.407Z",
   "subscribers": 12444,
   "source": 4
  },
  {
   "ts": "2026-08-08T01:28:08.684Z",
   "subscribers": 12427,
   "source": 4
  },
  {
   "ts": "2026-08-09T02:51:12.664Z",
   "subscribers": 12415,
   "source": 4
  },
  {
   "ts": "2026-08-10T04:31:01.889Z",
   "subscribers": 12403,
   "source": 4
  },
  {
   "ts": "2026-08-11T03:28:31.093Z",
   "subscribers": 12393,
   "source": 4
  },
  {
   "ts": "2026-08-13T04:59:00.402Z",
   "subscribers": 12381,
   "source": 4
  },
  {
   "ts": "2026-08-14T09:55:45.316Z",
   "subscribers": 12385,
   "source": 4
  },
  {
   "ts": "2026-08-16T03:18:55.173Z",
   "subscribers": 12367,
   "source": 4
  },
  {
   "ts": "2026-08-17T11:54:24.646Z",
   "subscribers": 12361,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:47:10.960Z",
   "subscribers": 12344,
   "source": 4
  }
 ]
}