{
 "meta": {
  "dataset": "Subscriber history — @firecalendar",
  "channel": "https://tgregister.com/channel/firecalendar",
  "retrieved_at": "2026-09-10T08:40:28.161Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 21,
  "window": {
   "from": "2026-08-08T03:21:32.181Z",
   "to": "2026-09-09T01:41:38.433Z"
  },
  "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": "2026-08-08T03:21:32.181Z",
   "subscribers": 12557,
   "source": 0
  },
  {
   "ts": "2026-08-08T03:30:23.088Z",
   "subscribers": 12557,
   "source": 3
  },
  {
   "ts": "2026-08-10T06:31:57.697Z",
   "subscribers": 12559,
   "source": 4
  },
  {
   "ts": "2026-08-12T08:23:08.995Z",
   "subscribers": 12557,
   "source": 4
  },
  {
   "ts": "2026-08-13T11:16:42.117Z",
   "subscribers": 12567,
   "source": 4
  },
  {
   "ts": "2026-08-14T18:48:30.910Z",
   "subscribers": 12573,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:55:22.345Z",
   "subscribers": 12576,
   "source": 4
  },
  {
   "ts": "2026-08-19T20:44:54.760Z",
   "subscribers": 12580,
   "source": 4
  },
  {
   "ts": "2026-08-21T18:37:57.994Z",
   "subscribers": 12583,
   "source": 4
  },
  {
   "ts": "2026-08-25T21:16:30.316Z",
   "subscribers": 12582,
   "source": 4
  },
  {
   "ts": "2026-08-26T18:56:52.729Z",
   "subscribers": 12583,
   "source": 4
  },
  {
   "ts": "2026-08-27T17:13:51.695Z",
   "subscribers": 12585,
   "source": 4
  },
  {
   "ts": "2026-08-28T15:03:55.884Z",
   "subscribers": 12587,
   "source": 4
  },
  {
   "ts": "2026-08-29T15:08:00.695Z",
   "subscribers": 12586,
   "source": 4
  },
  {
   "ts": "2026-08-30T11:48:39.626Z",
   "subscribers": 12582,
   "source": 4
  },
  {
   "ts": "2026-08-31T12:14:40.043Z",
   "subscribers": 12583,
   "source": 4
  },
  {
   "ts": "2026-09-01T10:25:09.668Z",
   "subscribers": 12585,
   "source": 4
  },
  {
   "ts": "2026-09-02T09:25:30.619Z",
   "subscribers": 12587,
   "source": 4
  },
  {
   "ts": "2026-09-03T19:36:55.076Z",
   "subscribers": 12592,
   "source": 4
  },
  {
   "ts": "2026-09-05T18:39:56.264Z",
   "subscribers": 12596,
   "source": 4
  },
  {
   "ts": "2026-09-09T01:41:38.433Z",
   "subscribers": 12607,
   "source": 4
  }
 ]
}