{
 "meta": {
  "dataset": "Subscriber history — @gruptpn",
  "channel": "https://tgregister.com/channel/gruptpn",
  "retrieved_at": "2026-09-09T11:36:33.742Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-06T06:04:46.642Z",
   "to": "2026-09-04T07:58:27.035Z"
  },
  "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": "2026-08-06T06:04:46.642Z",
   "subscribers": 4731,
   "source": 0
  },
  {
   "ts": "2026-08-07T03:52:27.175Z",
   "subscribers": 4730,
   "source": 4
  },
  {
   "ts": "2026-08-09T19:01:17.441Z",
   "subscribers": 4719,
   "source": 4
  },
  {
   "ts": "2026-08-12T17:34:32.538Z",
   "subscribers": 4702,
   "source": 4
  },
  {
   "ts": "2026-08-16T13:47:32.036Z",
   "subscribers": 4691,
   "source": 4
  },
  {
   "ts": "2026-08-19T23:08:41.264Z",
   "subscribers": 4674,
   "source": 4
  },
  {
   "ts": "2026-08-23T00:13:54.149Z",
   "subscribers": 4668,
   "source": 4
  },
  {
   "ts": "2026-08-25T18:12:42.991Z",
   "subscribers": 4661,
   "source": 4
  },
  {
   "ts": "2026-08-28T13:24:04.055Z",
   "subscribers": 4658,
   "source": 4
  },
  {
   "ts": "2026-08-31T14:02:38.210Z",
   "subscribers": 4641,
   "source": 4
  },
  {
   "ts": "2026-09-02T22:20:04.007Z",
   "subscribers": 4641,
   "source": 1
  },
  {
   "ts": "2026-09-04T07:58:27.035Z",
   "subscribers": 4631,
   "source": 4
  }
 ]
}