{
 "meta": {
  "dataset": "Subscriber history — @open_fest",
  "channel": "https://tgregister.com/channel/open_fest",
  "retrieved_at": "2026-09-15T23:29:41.122Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T07:32:33.484Z",
   "to": "2026-09-13T11:00:51.286Z"
  },
  "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": "2026-08-07T07:32:33.484Z",
   "subscribers": 1290,
   "source": 3
  },
  {
   "ts": "2026-08-07T08:07:31.850Z",
   "subscribers": 1290,
   "source": 4
  },
  {
   "ts": "2026-08-10T17:28:27.089Z",
   "subscribers": 1286,
   "source": 4
  },
  {
   "ts": "2026-08-13T11:56:44.972Z",
   "subscribers": 1278,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:18:13.706Z",
   "subscribers": 1275,
   "source": 4
  },
  {
   "ts": "2026-08-23T02:22:44.802Z",
   "subscribers": 1272,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:58:25.721Z",
   "subscribers": 1271,
   "source": 4
  },
  {
   "ts": "2026-08-28T13:01:42.762Z",
   "subscribers": 1267,
   "source": 4
  },
  {
   "ts": "2026-08-31T19:35:32.679Z",
   "subscribers": 1266,
   "source": 4
  },
  {
   "ts": "2026-09-04T14:01:09.053Z",
   "subscribers": 1262,
   "source": 4
  },
  {
   "ts": "2026-09-09T21:57:55.675Z",
   "subscribers": 1259,
   "source": 4
  },
  {
   "ts": "2026-09-13T11:00:51.286Z",
   "subscribers": 1256,
   "source": 4
  }
 ]
}