{
 "meta": {
  "dataset": "Subscriber history — @Instasave_bot",
  "channel": "https://tgregister.com/channel/Instasave_bot",
  "retrieved_at": "2026-08-20T01:36:36.886Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-05T22:46:32.624Z",
   "to": "2026-08-19T17:26:00.698Z"
  },
  "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": "2026-08-05T22:46:32.624Z",
   "subscribers": 77441,
   "source": 0
  },
  {
   "ts": "2026-08-06T14:14:52.308Z",
   "subscribers": 77052,
   "source": 4
  },
  {
   "ts": "2026-08-08T13:32:02.712Z",
   "subscribers": 76525,
   "source": 4
  },
  {
   "ts": "2026-08-09T10:33:49.299Z",
   "subscribers": 75919,
   "source": 4
  },
  {
   "ts": "2026-08-10T08:30:59.455Z",
   "subscribers": 75302,
   "source": 4
  },
  {
   "ts": "2026-08-11T02:55:14.072Z",
   "subscribers": 75302,
   "source": 1
  },
  {
   "ts": "2026-08-11T10:23:19.933Z",
   "subscribers": 74754,
   "source": 4
  },
  {
   "ts": "2026-08-12T13:44:37.797Z",
   "subscribers": 73907,
   "source": 4
  },
  {
   "ts": "2026-08-13T17:48:47.042Z",
   "subscribers": 73717,
   "source": 4
  },
  {
   "ts": "2026-08-15T00:33:50.037Z",
   "subscribers": 73435,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:04:43.706Z",
   "subscribers": 73336,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:17:15.477Z",
   "subscribers": 72594,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:26:00.698Z",
   "subscribers": 72247,
   "source": 4
  }
 ]
}