{
 "meta": {
  "dataset": "Subscriber history — @kfyat_math",
  "channel": "https://tgregister.com/channel/kfyat_math",
  "retrieved_at": "2026-09-11T14:48:48.195Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 19,
  "window": {
   "from": "2026-08-17T18:46:08.204Z",
   "to": "2026-09-11T05:57:32.082Z"
  },
  "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": "2026-08-17T18:46:08.204Z",
   "subscribers": 13355,
   "source": 3
  },
  {
   "ts": "2026-08-17T20:33:54.589Z",
   "subscribers": 13356,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:49:16.977Z",
   "subscribers": 13367,
   "source": 4
  },
  {
   "ts": "2026-08-19T21:34:34.137Z",
   "subscribers": 13371,
   "source": 4
  },
  {
   "ts": "2026-08-20T18:25:19.322Z",
   "subscribers": 13373,
   "source": 4
  },
  {
   "ts": "2026-08-21T20:07:13.673Z",
   "subscribers": 13389,
   "source": 4
  },
  {
   "ts": "2026-08-23T10:07:05.747Z",
   "subscribers": 13405,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:27:32.618Z",
   "subscribers": 13416,
   "source": 4
  },
  {
   "ts": "2026-08-25T23:38:59.283Z",
   "subscribers": 13412,
   "source": 4
  },
  {
   "ts": "2026-08-27T01:53:46.125Z",
   "subscribers": 13408,
   "source": 4
  },
  {
   "ts": "2026-08-28T01:13:02.568Z",
   "subscribers": 13410,
   "source": 4
  },
  {
   "ts": "2026-08-29T03:24:45.861Z",
   "subscribers": 13412,
   "source": 4
  },
  {
   "ts": "2026-08-30T22:15:15.740Z",
   "subscribers": 13403,
   "source": 4
  },
  {
   "ts": "2026-08-31T21:23:40.930Z",
   "subscribers": 13400,
   "source": 4
  },
  {
   "ts": "2026-09-02T00:05:24.702Z",
   "subscribers": 13404,
   "source": 4
  },
  {
   "ts": "2026-09-03T08:37:54.439Z",
   "subscribers": 13414,
   "source": 4
  },
  {
   "ts": "2026-09-05T02:20:53.730Z",
   "subscribers": 13416,
   "source": 4
  },
  {
   "ts": "2026-09-08T08:16:07.285Z",
   "subscribers": 13414,
   "source": 4
  },
  {
   "ts": "2026-09-11T05:57:32.082Z",
   "subscribers": 13431,
   "source": 4
  }
 ]
}