{
 "meta": {
  "dataset": "Subscriber history — @duma_2021",
  "channel": "https://tgregister.com/channel/duma_2021",
  "retrieved_at": "2026-08-18T18:12:26.344Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-05T23:51:24.121Z",
   "to": "2026-08-18T13:23:19.618Z"
  },
  "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": "2026-08-05T23:51:24.121Z",
   "subscribers": 26741,
   "source": 0
  },
  {
   "ts": "2026-08-06T02:02:04.029Z",
   "subscribers": 26741,
   "source": 3
  },
  {
   "ts": "2026-08-06T10:10:28.405Z",
   "subscribers": 26725,
   "source": 4
  },
  {
   "ts": "2026-08-07T09:07:21.371Z",
   "subscribers": 26684,
   "source": 4
  },
  {
   "ts": "2026-08-08T08:55:37.071Z",
   "subscribers": 26647,
   "source": 4
  },
  {
   "ts": "2026-08-09T10:52:20.988Z",
   "subscribers": 26564,
   "source": 4
  },
  {
   "ts": "2026-08-10T07:47:53.295Z",
   "subscribers": 26515,
   "source": 4
  },
  {
   "ts": "2026-08-11T07:42:17.223Z",
   "subscribers": 26504,
   "source": 4
  },
  {
   "ts": "2026-08-12T05:31:57.907Z",
   "subscribers": 26459,
   "source": 4
  },
  {
   "ts": "2026-08-13T03:37:09.370Z",
   "subscribers": 26430,
   "source": 4
  },
  {
   "ts": "2026-08-14T11:46:51.810Z",
   "subscribers": 26405,
   "source": 4
  },
  {
   "ts": "2026-08-16T02:54:41.184Z",
   "subscribers": 26368,
   "source": 4
  },
  {
   "ts": "2026-08-17T11:55:05.140Z",
   "subscribers": 26190,
   "source": 4
  },
  {
   "ts": "2026-08-18T13:23:19.618Z",
   "subscribers": 26160,
   "source": 4
  }
 ]
}
