{
 "meta": {
  "dataset": "Subscriber history — @F_CardBot",
  "channel": "https://tgregister.com/channel/F_CardBot",
  "retrieved_at": "2026-08-26T20:59:42.472Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 15,
  "window": {
   "from": "2026-08-10T05:31:01.917Z",
   "to": "2026-08-26T15:57:26.012Z"
  },
  "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": "2026-08-10T05:31:01.917Z",
   "subscribers": 17860,
   "source": 0
  },
  {
   "ts": "2026-08-11T13:02:45.677Z",
   "subscribers": 18045,
   "source": 4
  },
  {
   "ts": "2026-08-12T15:54:38.922Z",
   "subscribers": 17856,
   "source": 4
  },
  {
   "ts": "2026-08-13T18:07:54.023Z",
   "subscribers": 17745,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:04:37.907Z",
   "subscribers": 17786,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:36:03.584Z",
   "subscribers": 17781,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:26:48.274Z",
   "subscribers": 17781,
   "source": 1
  },
  {
   "ts": "2026-08-17T19:25:49.329Z",
   "subscribers": 17866,
   "source": 4
  },
  {
   "ts": "2026-08-18T21:53:51.363Z",
   "subscribers": 17935,
   "source": 4
  },
  {
   "ts": "2026-08-20T17:36:12.554Z",
   "subscribers": 17782,
   "source": 4
  },
  {
   "ts": "2026-08-21T18:35:29.768Z",
   "subscribers": 17969,
   "source": 4
  },
  {
   "ts": "2026-08-23T05:46:30.139Z",
   "subscribers": 17944,
   "source": 4
  },
  {
   "ts": "2026-08-24T21:35:22.365Z",
   "subscribers": 17914,
   "source": 4
  },
  {
   "ts": "2026-08-25T18:27:17.027Z",
   "subscribers": 17884,
   "source": 4
  },
  {
   "ts": "2026-08-26T15:57:26.012Z",
   "subscribers": 17852,
   "source": 4
  }
 ]
}