{
 "meta": {
  "dataset": "Subscriber history — @CoolBooks",
  "channel": "https://tgregister.com/channel/CoolBooks",
  "retrieved_at": "2026-09-11T12:45:33.548Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 32,
  "window": {
   "from": "2026-08-05T23:19:33.517Z",
   "to": "2026-09-10T06:00:53.826Z"
  },
  "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": "2026-08-05T23:19:33.517Z",
   "subscribers": 11449,
   "source": 0
  },
  {
   "ts": "2026-08-06T06:36:47.705Z",
   "subscribers": 11457,
   "source": 4
  },
  {
   "ts": "2026-08-07T06:01:35.893Z",
   "subscribers": 11461,
   "source": 4
  },
  {
   "ts": "2026-08-08T02:56:42.309Z",
   "subscribers": 11471,
   "source": 4
  },
  {
   "ts": "2026-08-09T01:30:49.387Z",
   "subscribers": 11485,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:41:30.069Z",
   "subscribers": 11507,
   "source": 4
  },
  {
   "ts": "2026-08-11T00:37:08.732Z",
   "subscribers": 11517,
   "source": 4
  },
  {
   "ts": "2026-08-11T21:42:21.779Z",
   "subscribers": 11544,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:08:44.582Z",
   "subscribers": 11554,
   "source": 4
  },
  {
   "ts": "2026-08-13T16:07:22.966Z",
   "subscribers": 11558,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:27:10.428Z",
   "subscribers": 11567,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:25:05.378Z",
   "subscribers": 11581,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:33:13.395Z",
   "subscribers": 11582,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:52:08.255Z",
   "subscribers": 11591,
   "source": 4
  },
  {
   "ts": "2026-08-19T20:35:40.199Z",
   "subscribers": 11602,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:47:02.874Z",
   "subscribers": 11609,
   "source": 4
  },
  {
   "ts": "2026-08-21T10:42:09.289Z",
   "subscribers": 11609,
   "source": 1
  },
  {
   "ts": "2026-08-22T06:08:15.718Z",
   "subscribers": 11614,
   "source": 4
  },
  {
   "ts": "2026-08-24T00:24:05.276Z",
   "subscribers": 11629,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:27:19.211Z",
   "subscribers": 11636,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:13:42.967Z",
   "subscribers": 11634,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:03:32.559Z",
   "subscribers": 11645,
   "source": 4
  },
  {
   "ts": "2026-08-27T19:43:34.912Z",
   "subscribers": 11652,
   "source": 4
  },
  {
   "ts": "2026-08-28T17:49:11.071Z",
   "subscribers": 11664,
   "source": 4
  },
  {
   "ts": "2026-08-29T15:37:28.557Z",
   "subscribers": 11663,
   "source": 4
  },
  {
   "ts": "2026-08-30T17:25:10.759Z",
   "subscribers": 11669,
   "source": 4
  },
  {
   "ts": "2026-08-31T14:47:50.672Z",
   "subscribers": 11678,
   "source": 4
  },
  {
   "ts": "2026-09-01T16:38:10.821Z",
   "subscribers": 11683,
   "source": 4
  },
  {
   "ts": "2026-09-02T17:55:11.620Z",
   "subscribers": 11697,
   "source": 4
  },
  {
   "ts": "2026-09-04T05:37:42.402Z",
   "subscribers": 11710,
   "source": 4
  },
  {
   "ts": "2026-09-06T22:02:18.031Z",
   "subscribers": 11737,
   "source": 4
  },
  {
   "ts": "2026-09-10T06:00:53.826Z",
   "subscribers": 11757,
   "source": 4
  }
 ]
}
