{
 "meta": {
  "dataset": "Subscriber history — @studykatta",
  "channel": "https://tgregister.com/channel/studykatta",
  "retrieved_at": "2026-08-29T16:43:14.770Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 21,
  "window": {
   "from": "2026-08-07T09:49:51.925Z",
   "to": "2026-08-29T08:28:23.097Z"
  },
  "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": "2026-08-07T09:49:51.925Z",
   "subscribers": 19650,
   "source": 0
  },
  {
   "ts": "2026-08-07T14:04:28.303Z",
   "subscribers": 19649,
   "source": 4
  },
  {
   "ts": "2026-08-08T16:05:19.465Z",
   "subscribers": 19642,
   "source": 4
  },
  {
   "ts": "2026-08-09T19:41:42.129Z",
   "subscribers": 19628,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:13:28.886Z",
   "subscribers": 19617,
   "source": 4
  },
  {
   "ts": "2026-08-11T22:11:25.010Z",
   "subscribers": 19606,
   "source": 4
  },
  {
   "ts": "2026-08-13T00:05:02.966Z",
   "subscribers": 19600,
   "source": 4
  },
  {
   "ts": "2026-08-14T12:46:43.902Z",
   "subscribers": 19586,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:53:59.159Z",
   "subscribers": 19578,
   "source": 4
  },
  {
   "ts": "2026-08-16T20:00:25.602Z",
   "subscribers": 19578,
   "source": 1
  },
  {
   "ts": "2026-08-17T10:49:25.748Z",
   "subscribers": 19553,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:02:22.526Z",
   "subscribers": 19548,
   "source": 4
  },
  {
   "ts": "2026-08-19T08:13:27.960Z",
   "subscribers": 19541,
   "source": 4
  },
  {
   "ts": "2026-08-20T09:28:34.893Z",
   "subscribers": 19536,
   "source": 4
  },
  {
   "ts": "2026-08-21T10:38:03.442Z",
   "subscribers": 19529,
   "source": 4
  },
  {
   "ts": "2026-08-22T20:17:10.981Z",
   "subscribers": 19519,
   "source": 4
  },
  {
   "ts": "2026-08-24T09:36:28.429Z",
   "subscribers": 19503,
   "source": 4
  },
  {
   "ts": "2026-08-25T12:07:40.928Z",
   "subscribers": 19490,
   "source": 4
  },
  {
   "ts": "2026-08-26T10:37:02.290Z",
   "subscribers": 19487,
   "source": 4
  },
  {
   "ts": "2026-08-28T04:58:27.843Z",
   "subscribers": 19476,
   "source": 4
  },
  {
   "ts": "2026-08-29T08:28:23.097Z",
   "subscribers": 19468,
   "source": 4
  }
 ]
}