{
 "meta": {
  "dataset": "Subscriber history — @instasave",
  "channel": "https://tgregister.com/channel/instasave",
  "retrieved_at": "2026-08-21T06:25:16.819Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 16,
  "window": {
   "from": "2026-08-05T23:18:41.550Z",
   "to": "2026-08-20T22:23:04.789Z"
  },
  "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": "2026-08-05T23:18:41.550Z",
   "subscribers": 277562,
   "source": 0
  },
  {
   "ts": "2026-08-06T00:54:17.708Z",
   "subscribers": 277562,
   "source": 3
  },
  {
   "ts": "2026-08-06T20:20:30.034Z",
   "subscribers": 277494,
   "source": 4
  },
  {
   "ts": "2026-08-07T18:44:40.821Z",
   "subscribers": 277352,
   "source": 4
  },
  {
   "ts": "2026-08-08T18:47:35.437Z",
   "subscribers": 277168,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:12:46.328Z",
   "subscribers": 277021,
   "source": 4
  },
  {
   "ts": "2026-08-11T00:11:54.529Z",
   "subscribers": 276863,
   "source": 4
  },
  {
   "ts": "2026-08-12T00:32:34.728Z",
   "subscribers": 276709,
   "source": 4
  },
  {
   "ts": "2026-08-12T22:07:29.127Z",
   "subscribers": 276597,
   "source": 4
  },
  {
   "ts": "2026-08-14T07:14:15.934Z",
   "subscribers": 276429,
   "source": 4
  },
  {
   "ts": "2026-08-15T17:13:36.562Z",
   "subscribers": 276245,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:47:18.784Z",
   "subscribers": 276066,
   "source": 4
  },
  {
   "ts": "2026-08-17T21:46:14.238Z",
   "subscribers": 276024,
   "source": 4
  },
  {
   "ts": "2026-08-18T19:36:11.653Z",
   "subscribers": 275908,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:52:15.807Z",
   "subscribers": 275800,
   "source": 4
  },
  {
   "ts": "2026-08-20T22:23:04.789Z",
   "subscribers": 275711,
   "source": 4
  }
 ]
}