{
 "meta": {
  "dataset": "Subscriber history — @douban_read",
  "channel": "https://tgregister.com/channel/douban_read",
  "retrieved_at": "2026-08-20T13:04:38.629Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-06T08:46:59.008Z",
   "to": "2026-08-20T11:46:57.530Z"
  },
  "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": "2026-08-06T08:46:59.008Z",
   "subscribers": 36841,
   "source": 3
  },
  {
   "ts": "2026-08-06T23:03:36.301Z",
   "subscribers": 36836,
   "source": 4
  },
  {
   "ts": "2026-08-07T23:01:23.552Z",
   "subscribers": 36826,
   "source": 4
  },
  {
   "ts": "2026-08-08T21:26:31.833Z",
   "subscribers": 36815,
   "source": 4
  },
  {
   "ts": "2026-08-09T20:53:47.297Z",
   "subscribers": 36794,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:31:12.251Z",
   "subscribers": 36777,
   "source": 4
  },
  {
   "ts": "2026-08-11T22:16:16.185Z",
   "subscribers": 36759,
   "source": 4
  },
  {
   "ts": "2026-08-13T00:26:22.706Z",
   "subscribers": 36735,
   "source": 4
  },
  {
   "ts": "2026-08-14T13:26:26.006Z",
   "subscribers": 36715,
   "source": 4
  },
  {
   "ts": "2026-08-16T02:53:57.450Z",
   "subscribers": 36696,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:12:16.072Z",
   "subscribers": 36667,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:13:53.249Z",
   "subscribers": 36651,
   "source": 4
  },
  {
   "ts": "2026-08-19T10:35:55.089Z",
   "subscribers": 36627,
   "source": 4
  },
  {
   "ts": "2026-08-20T11:46:57.530Z",
   "subscribers": 36622,
   "source": 4
  }
 ]
}
