{
 "meta": {
  "dataset": "Subscriber history — @upbeerbot",
  "channel": "https://tgregister.com/channel/upbeerbot",
  "retrieved_at": "2026-08-20T22:17:09.265Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T06:32:56.172Z",
   "to": "2026-08-19T08:44:31.369Z"
  },
  "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": "2026-08-07T06:32:56.172Z",
   "subscribers": 64039,
   "source": 0
  },
  {
   "ts": "2026-08-07T21:21:16.437Z",
   "subscribers": 63964,
   "source": 4
  },
  {
   "ts": "2026-08-08T22:27:36.177Z",
   "subscribers": 63911,
   "source": 4
  },
  {
   "ts": "2026-08-09T22:12:17.249Z",
   "subscribers": 63850,
   "source": 4
  },
  {
   "ts": "2026-08-11T00:07:15.842Z",
   "subscribers": 63836,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:33:01.084Z",
   "subscribers": 63836,
   "source": 1
  },
  {
   "ts": "2026-08-12T23:44:32.902Z",
   "subscribers": 63907,
   "source": 4
  },
  {
   "ts": "2026-08-14T12:58:25.436Z",
   "subscribers": 62663,
   "source": 4
  },
  {
   "ts": "2026-08-16T04:14:05.457Z",
   "subscribers": 62214,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:33:13.395Z",
   "subscribers": 62004,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:04:05.467Z",
   "subscribers": 62039,
   "source": 4
  },
  {
   "ts": "2026-08-19T08:44:31.369Z",
   "subscribers": 62175,
   "source": 4
  }
 ]
}