{
 "meta": {
  "dataset": "Subscriber history — @BBC_Learning_Eng",
  "channel": "https://tgregister.com/channel/BBC_Learning_Eng",
  "retrieved_at": "2026-08-26T17:41:45.609Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 20,
  "window": {
   "from": "2026-08-06T09:04:18.776Z",
   "to": "2026-08-26T12:53:52.647Z"
  },
  "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": "2026-08-06T09:04:18.776Z",
   "subscribers": 15809,
   "source": 0
  },
  {
   "ts": "2026-08-06T17:40:30.835Z",
   "subscribers": 15808,
   "source": 4
  },
  {
   "ts": "2026-08-07T15:57:09.556Z",
   "subscribers": 15807,
   "source": 4
  },
  {
   "ts": "2026-08-08T18:10:53.046Z",
   "subscribers": 15798,
   "source": 4
  },
  {
   "ts": "2026-08-09T18:11:27.407Z",
   "subscribers": 15793,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:42:50.316Z",
   "subscribers": 15784,
   "source": 4
  },
  {
   "ts": "2026-08-11T23:26:22.562Z",
   "subscribers": 15779,
   "source": 4
  },
  {
   "ts": "2026-08-13T00:53:16.982Z",
   "subscribers": 15772,
   "source": 4
  },
  {
   "ts": "2026-08-14T08:25:20.140Z",
   "subscribers": 15765,
   "source": 4
  },
  {
   "ts": "2026-08-15T18:12:16.222Z",
   "subscribers": 15753,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:17:33.223Z",
   "subscribers": 15750,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:04:29.226Z",
   "subscribers": 15746,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:33:53.071Z",
   "subscribers": 15746,
   "source": 1
  },
  {
   "ts": "2026-08-19T11:33:46.855Z",
   "subscribers": 15739,
   "source": 4
  },
  {
   "ts": "2026-08-20T11:13:48.012Z",
   "subscribers": 15738,
   "source": 4
  },
  {
   "ts": "2026-08-21T12:14:43.445Z",
   "subscribers": 15734,
   "source": 4
  },
  {
   "ts": "2026-08-22T23:17:24.949Z",
   "subscribers": 15732,
   "source": 4
  },
  {
   "ts": "2026-08-24T14:08:29.248Z",
   "subscribers": 15726,
   "source": 4
  },
  {
   "ts": "2026-08-25T10:44:32.181Z",
   "subscribers": 15722,
   "source": 4
  },
  {
   "ts": "2026-08-26T12:53:52.647Z",
   "subscribers": 15721,
   "source": 4
  }
 ]
}