{
 "meta": {
  "dataset": "Subscriber history — @nmu_book_chat",
  "channel": "https://tgregister.com/channel/nmu_book_chat",
  "retrieved_at": "2026-09-12T04:07:40.214Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 24,
  "window": {
   "from": "2026-08-07T12:58:35.804Z",
   "to": "2026-09-10T15:00:54.087Z"
  },
  "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": "2026-08-07T12:58:35.804Z",
   "subscribers": 9982,
   "source": 0
  },
  {
   "ts": "2026-08-08T10:12:10.143Z",
   "subscribers": 9980,
   "source": 4
  },
  {
   "ts": "2026-08-11T09:56:07.065Z",
   "subscribers": 10002,
   "source": 4
  },
  {
   "ts": "2026-08-12T13:13:44.094Z",
   "subscribers": 10017,
   "source": 4
  },
  {
   "ts": "2026-08-13T12:08:18.290Z",
   "subscribers": 10063,
   "source": 4
  },
  {
   "ts": "2026-08-14T18:13:58.464Z",
   "subscribers": 10071,
   "source": 4
  },
  {
   "ts": "2026-08-16T05:48:26.463Z",
   "subscribers": 10070,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:15:54.256Z",
   "subscribers": 10066,
   "source": 4
  },
  {
   "ts": "2026-08-19T13:45:53.854Z",
   "subscribers": 10073,
   "source": 4
  },
  {
   "ts": "2026-08-20T11:42:49.495Z",
   "subscribers": 10071,
   "source": 4
  },
  {
   "ts": "2026-08-21T11:57:46.603Z",
   "subscribers": 10076,
   "source": 4
  },
  {
   "ts": "2026-08-22T21:16:08.822Z",
   "subscribers": 10076,
   "source": 1
  },
  {
   "ts": "2026-08-24T17:22:50.269Z",
   "subscribers": 10075,
   "source": 4
  },
  {
   "ts": "2026-08-25T14:28:05.694Z",
   "subscribers": 10074,
   "source": 4
  },
  {
   "ts": "2026-08-26T15:03:15.549Z",
   "subscribers": 10073,
   "source": 4
  },
  {
   "ts": "2026-08-27T12:14:10.879Z",
   "subscribers": 10089,
   "source": 4
  },
  {
   "ts": "2026-08-28T11:25:11.156Z",
   "subscribers": 10111,
   "source": 4
  },
  {
   "ts": "2026-08-29T12:17:37.048Z",
   "subscribers": 10109,
   "source": 4
  },
  {
   "ts": "2026-08-31T17:07:11.532Z",
   "subscribers": 10118,
   "source": 4
  },
  {
   "ts": "2026-09-01T18:59:04.228Z",
   "subscribers": 10141,
   "source": 4
  },
  {
   "ts": "2026-09-02T22:55:56.273Z",
   "subscribers": 10163,
   "source": 4
  },
  {
   "ts": "2026-09-04T15:59:46.171Z",
   "subscribers": 10249,
   "source": 4
  },
  {
   "ts": "2026-09-07T11:16:14.357Z",
   "subscribers": 10323,
   "source": 4
  },
  {
   "ts": "2026-09-10T15:00:54.087Z",
   "subscribers": 10331,
   "source": 4
  }
 ]
}
