{
 "meta": {
  "dataset": "Subscriber history — @Books_List",
  "channel": "https://tgregister.com/channel/Books_List",
  "retrieved_at": "2026-09-07T06:09:37.187Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 21,
  "window": {
   "from": "2026-08-14T19:02:21.555Z",
   "to": "2026-09-04T21:17:52.343Z"
  },
  "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": "2026-08-14T19:02:21.555Z",
   "subscribers": 12962,
   "source": 0
  },
  {
   "ts": "2026-08-15T06:28:24.112Z",
   "subscribers": 12963,
   "source": 4
  },
  {
   "ts": "2026-08-16T19:06:28.140Z",
   "subscribers": 12964,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:38:05.146Z",
   "subscribers": 12962,
   "source": 4
  },
  {
   "ts": "2026-08-18T19:23:39.940Z",
   "subscribers": 12970,
   "source": 4
  },
  {
   "ts": "2026-08-19T22:34:41.304Z",
   "subscribers": 12978,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:01:01.684Z",
   "subscribers": 12978,
   "source": 1
  },
  {
   "ts": "2026-08-20T20:52:49.188Z",
   "subscribers": 12976,
   "source": 4
  },
  {
   "ts": "2026-08-22T08:47:52.892Z",
   "subscribers": 12986,
   "source": 4
  },
  {
   "ts": "2026-08-24T02:58:08.578Z",
   "subscribers": 12990,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:23:38.550Z",
   "subscribers": 12996,
   "source": 4
  },
  {
   "ts": "2026-08-26T07:25:45.805Z",
   "subscribers": 13024,
   "source": 4
  },
  {
   "ts": "2026-08-27T03:56:46.661Z",
   "subscribers": 13038,
   "source": 4
  },
  {
   "ts": "2026-08-28T07:32:43.710Z",
   "subscribers": 13052,
   "source": 4
  },
  {
   "ts": "2026-08-29T04:12:25.523Z",
   "subscribers": 13054,
   "source": 4
  },
  {
   "ts": "2026-08-30T04:37:18.457Z",
   "subscribers": 13051,
   "source": 4
  },
  {
   "ts": "2026-08-31T04:45:58.932Z",
   "subscribers": 13050,
   "source": 4
  },
  {
   "ts": "2026-09-01T06:49:01.277Z",
   "subscribers": 13054,
   "source": 4
  },
  {
   "ts": "2026-09-02T06:04:34.126Z",
   "subscribers": 13055,
   "source": 4
  },
  {
   "ts": "2026-09-03T09:11:43.608Z",
   "subscribers": 13082,
   "source": 4
  },
  {
   "ts": "2026-09-04T21:17:52.343Z",
   "subscribers": 13086,
   "source": 4
  }
 ]
}