{
 "meta": {
  "dataset": "Subscriber history — @backintime",
  "channel": "https://tgregister.com/channel/backintime",
  "retrieved_at": "2026-08-30T20:48:03.196Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 9,
  "window": {
   "from": "2026-08-06T02:08:56.815Z",
   "to": "2026-08-28T21:27:18.887Z"
  },
  "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": "2026-08-06T02:08:56.815Z",
   "subscribers": 4028,
   "source": 0
  },
  {
   "ts": "2026-08-06T04:19:29.348Z",
   "subscribers": 4028,
   "source": 3
  },
  {
   "ts": "2026-08-09T14:12:15.467Z",
   "subscribers": 4021,
   "source": 4
  },
  {
   "ts": "2026-08-13T00:13:53.670Z",
   "subscribers": 4017,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:57:01.148Z",
   "subscribers": 4014,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:15:49.847Z",
   "subscribers": 4004,
   "source": 4
  },
  {
   "ts": "2026-08-23T06:38:26.818Z",
   "subscribers": 4000,
   "source": 4
  },
  {
   "ts": "2026-08-25T22:04:06.371Z",
   "subscribers": 3999,
   "source": 4
  },
  {
   "ts": "2026-08-28T21:27:18.887Z",
   "subscribers": 3998,
   "source": 4
  }
 ]
}