{
 "meta": {
  "dataset": "Subscriber history — @History_OptionalNotes",
  "channel": "https://tgregister.com/channel/History_OptionalNotes",
  "retrieved_at": "2026-08-27T09:09:43.435Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 20,
  "window": {
   "from": "2026-08-06T13:51:33.230Z",
   "to": "2026-08-26T23:25:25.984Z"
  },
  "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": "2026-08-06T13:51:33.230Z",
   "subscribers": 15481,
   "source": 0
  },
  {
   "ts": "2026-08-07T10:53:46.400Z",
   "subscribers": 15475,
   "source": 4
  },
  {
   "ts": "2026-08-08T12:01:09.924Z",
   "subscribers": 15466,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:41:49.477Z",
   "subscribers": 15454,
   "source": 4
  },
  {
   "ts": "2026-08-10T15:37:46.722Z",
   "subscribers": 15445,
   "source": 4
  },
  {
   "ts": "2026-08-11T13:35:36.815Z",
   "subscribers": 15434,
   "source": 4
  },
  {
   "ts": "2026-08-12T16:33:41.538Z",
   "subscribers": 15425,
   "source": 4
  },
  {
   "ts": "2026-08-13T16:28:16.117Z",
   "subscribers": 15417,
   "source": 4
  },
  {
   "ts": "2026-08-15T01:13:41.197Z",
   "subscribers": 15406,
   "source": 4
  },
  {
   "ts": "2026-08-16T15:17:19.377Z",
   "subscribers": 15391,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:39:02.772Z",
   "subscribers": 15377,
   "source": 4
  },
  {
   "ts": "2026-08-18T18:12:59.306Z",
   "subscribers": 15363,
   "source": 4
  },
  {
   "ts": "2026-08-18T19:33:34.958Z",
   "subscribers": 15363,
   "source": 1
  },
  {
   "ts": "2026-08-19T21:16:45.550Z",
   "subscribers": 15359,
   "source": 4
  },
  {
   "ts": "2026-08-20T19:35:02.827Z",
   "subscribers": 15358,
   "source": 4
  },
  {
   "ts": "2026-08-21T20:49:18.728Z",
   "subscribers": 15353,
   "source": 4
  },
  {
   "ts": "2026-08-23T08:14:24.343Z",
   "subscribers": 15346,
   "source": 4
  },
  {
   "ts": "2026-08-24T23:13:58.620Z",
   "subscribers": 15334,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:03:17.401Z",
   "subscribers": 15328,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:25:25.984Z",
   "subscribers": 15320,
   "source": 4
  }
 ]
}