{
 "meta": {
  "dataset": "Subscriber history — @f1ff",
  "channel": "https://tgregister.com/channel/f1ff",
  "retrieved_at": "2026-09-06T11:37:19.145Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 24,
  "window": {
   "from": "2026-08-07T18:32:00.246Z",
   "to": "2026-09-04T17:40:04.809Z"
  },
  "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": "2026-08-07T18:32:00.246Z",
   "subscribers": 12065,
   "source": 0
  },
  {
   "ts": "2026-08-08T22:21:01.170Z",
   "subscribers": 12120,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:13:41.313Z",
   "subscribers": 12125,
   "source": 4
  },
  {
   "ts": "2026-08-12T16:36:25.770Z",
   "subscribers": 20648,
   "source": 4
  },
  {
   "ts": "2026-08-15T07:47:22.475Z",
   "subscribers": 12252,
   "source": 4
  },
  {
   "ts": "2026-08-16T20:38:44.241Z",
   "subscribers": 12346,
   "source": 4
  },
  {
   "ts": "2026-08-18T23:42:38.371Z",
   "subscribers": 12377,
   "source": 4
  },
  {
   "ts": "2026-08-20T19:54:58.718Z",
   "subscribers": 12377,
   "source": 1
  },
  {
   "ts": "2026-08-20T20:43:58.519Z",
   "subscribers": 12378,
   "source": 4
  },
  {
   "ts": "2026-08-21T11:17:16.500Z",
   "subscribers": 12378,
   "source": 4
  },
  {
   "ts": "2026-08-22T08:38:55.486Z",
   "subscribers": 12340,
   "source": 4
  },
  {
   "ts": "2026-08-22T21:55:09.287Z",
   "subscribers": 12340,
   "source": 4
  },
  {
   "ts": "2026-08-24T13:35:12.642Z",
   "subscribers": 12297,
   "source": 4
  },
  {
   "ts": "2026-08-25T03:43:28.877Z",
   "subscribers": 12297,
   "source": 4
  },
  {
   "ts": "2026-08-26T12:06:13.866Z",
   "subscribers": 12272,
   "source": 4
  },
  {
   "ts": "2026-08-27T03:56:23.701Z",
   "subscribers": 12272,
   "source": 4
  },
  {
   "ts": "2026-08-28T04:48:11.916Z",
   "subscribers": 12349,
   "source": 4
  },
  {
   "ts": "2026-08-28T09:54:17.560Z",
   "subscribers": 12349,
   "source": 4
  },
  {
   "ts": "2026-08-30T06:06:15.233Z",
   "subscribers": 13430,
   "source": 4
  },
  {
   "ts": "2026-08-30T14:34:05.367Z",
   "subscribers": 13430,
   "source": 4
  },
  {
   "ts": "2026-09-01T16:34:27.489Z",
   "subscribers": 13516,
   "source": 4
  },
  {
   "ts": "2026-09-02T04:15:26.776Z",
   "subscribers": 13516,
   "source": 4
  },
  {
   "ts": "2026-09-04T05:59:40.879Z",
   "subscribers": 13536,
   "source": 4
  },
  {
   "ts": "2026-09-04T17:40:04.809Z",
   "subscribers": 13536,
   "source": 4
  }
 ]
}