{
 "meta": {
  "dataset": "Subscriber history — @IMPFORCLASS3",
  "channel": "https://tgregister.com/channel/IMPFORCLASS3",
  "retrieved_at": "2026-09-05T00:13:47.673Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-06T04:10:22.893Z",
   "to": "2026-09-04T14:41:36.554Z"
  },
  "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": "2026-08-06T04:10:22.893Z",
   "subscribers": 3556,
   "source": 0
  },
  {
   "ts": "2026-08-06T04:34:59.515Z",
   "subscribers": 3556,
   "source": 3
  },
  {
   "ts": "2026-08-07T03:21:54.199Z",
   "subscribers": 3554,
   "source": 4
  },
  {
   "ts": "2026-08-10T10:11:15.579Z",
   "subscribers": 3550,
   "source": 4
  },
  {
   "ts": "2026-08-13T11:48:24.142Z",
   "subscribers": 3547,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:45:07.700Z",
   "subscribers": 3541,
   "source": 4
  },
  {
   "ts": "2026-08-20T00:41:59.802Z",
   "subscribers": 3537,
   "source": 4
  },
  {
   "ts": "2026-08-23T13:58:07.007Z",
   "subscribers": 3535,
   "source": 4
  },
  {
   "ts": "2026-08-26T05:42:04.069Z",
   "subscribers": 3530,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:57:38.003Z",
   "subscribers": 3527,
   "source": 4
  },
  {
   "ts": "2026-09-01T06:55:00.220Z",
   "subscribers": 3521,
   "source": 4
  },
  {
   "ts": "2026-09-04T14:41:36.554Z",
   "subscribers": 3519,
   "source": 4
  }
 ]
}