{
 "meta": {
  "dataset": "Subscriber history — @chartup_bot",
  "channel": "https://tgregister.com/channel/chartup_bot",
  "retrieved_at": "2026-08-30T14:57:58.092Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-07T20:34:57.153Z",
   "to": "2026-08-27T21:54:27.123Z"
  },
  "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": "2026-08-07T20:34:57.153Z",
   "subscribers": 35091,
   "source": 0
  },
  {
   "ts": "2026-08-08T11:51:11.109Z",
   "subscribers": 29279,
   "source": 4
  },
  {
   "ts": "2026-08-10T10:58:00.587Z",
   "subscribers": 14976,
   "source": 4
  },
  {
   "ts": "2026-08-12T09:22:57.016Z",
   "subscribers": 15007,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:58:14.423Z",
   "subscribers": 14982,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:25:10.085Z",
   "subscribers": 18307,
   "source": 4
  },
  {
   "ts": "2026-08-17T16:23:28.173Z",
   "subscribers": 18307,
   "source": 1
  },
  {
   "ts": "2026-08-19T13:11:56.329Z",
   "subscribers": 18925,
   "source": 4
  },
  {
   "ts": "2026-08-21T23:38:20.242Z",
   "subscribers": 19225,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:58:54.139Z",
   "subscribers": 19300,
   "source": 4
  },
  {
   "ts": "2026-08-27T21:54:27.123Z",
   "subscribers": 19312,
   "source": 4
  }
 ]
}