{
 "meta": {
  "dataset": "Subscriber history — @ITSBooks",
  "channel": "https://tgregister.com/channel/ITSBooks",
  "retrieved_at": "2026-09-10T00:15:55.591Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 25,
  "window": {
   "from": "2026-08-06T12:26:20.391Z",
   "to": "2026-09-09T11:17:03.975Z"
  },
  "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": "2026-08-06T12:26:20.391Z",
   "subscribers": 10971,
   "source": 0
  },
  {
   "ts": "2026-08-07T03:23:18.808Z",
   "subscribers": 10970,
   "source": 4
  },
  {
   "ts": "2026-08-08T02:57:15.457Z",
   "subscribers": 10967,
   "source": 4
  },
  {
   "ts": "2026-08-09T02:32:52.701Z",
   "subscribers": 10965,
   "source": 4
  },
  {
   "ts": "2026-08-10T05:11:12.487Z",
   "subscribers": 10968,
   "source": 4
  },
  {
   "ts": "2026-08-12T08:53:02.954Z",
   "subscribers": 10966,
   "source": 4
  },
  {
   "ts": "2026-08-13T12:06:26.700Z",
   "subscribers": 10968,
   "source": 4
  },
  {
   "ts": "2026-08-14T18:14:22.082Z",
   "subscribers": 10965,
   "source": 4
  },
  {
   "ts": "2026-08-16T09:05:18.560Z",
   "subscribers": 10964,
   "source": 4
  },
  {
   "ts": "2026-08-17T15:15:35.601Z",
   "subscribers": 10959,
   "source": 4
  },
  {
   "ts": "2026-08-18T13:54:00.071Z",
   "subscribers": 10961,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:12:07.017Z",
   "subscribers": 10956,
   "source": 4
  },
  {
   "ts": "2026-08-21T17:49:22.314Z",
   "subscribers": 10955,
   "source": 4
  },
  {
   "ts": "2026-08-21T21:06:06.633Z",
   "subscribers": 10955,
   "source": 1
  },
  {
   "ts": "2026-08-23T01:24:43.715Z",
   "subscribers": 10953,
   "source": 4
  },
  {
   "ts": "2026-08-24T17:54:20.897Z",
   "subscribers": 10954,
   "source": 4
  },
  {
   "ts": "2026-08-26T21:37:20.342Z",
   "subscribers": 10962,
   "source": 4
  },
  {
   "ts": "2026-08-27T19:48:12.447Z",
   "subscribers": 10965,
   "source": 4
  },
  {
   "ts": "2026-08-28T23:14:54.322Z",
   "subscribers": 10967,
   "source": 4
  },
  {
   "ts": "2026-08-29T22:54:24.893Z",
   "subscribers": 10970,
   "source": 4
  },
  {
   "ts": "2026-08-30T21:14:09.196Z",
   "subscribers": 10969,
   "source": 4
  },
  {
   "ts": "2026-09-01T20:08:34.021Z",
   "subscribers": 10970,
   "source": 4
  },
  {
   "ts": "2026-09-02T17:56:11.371Z",
   "subscribers": 10967,
   "source": 4
  },
  {
   "ts": "2026-09-03T23:58:02.279Z",
   "subscribers": 10965,
   "source": 4
  },
  {
   "ts": "2026-09-09T11:17:03.975Z",
   "subscribers": 10963,
   "source": 4
  }
 ]
}
