{
 "meta": {
  "dataset": "Subscriber history — @WHALEWATCHCALLS",
  "channel": "https://tgregister.com/channel/WHALEWATCHCALLS",
  "retrieved_at": "2026-08-23T22:13:14.895Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 16,
  "window": {
   "from": "2026-08-07T16:24:55.187Z",
   "to": "2026-08-22T23:34:32.516Z"
  },
  "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": "2026-08-07T16:24:55.187Z",
   "subscribers": 68364,
   "source": 0
  },
  {
   "ts": "2026-08-07T16:30:33.127Z",
   "subscribers": 68364,
   "source": 3
  },
  {
   "ts": "2026-08-08T01:55:58.877Z",
   "subscribers": 67867,
   "source": 4
  },
  {
   "ts": "2026-08-09T05:01:07.410Z",
   "subscribers": 65823,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:31:14.185Z",
   "subscribers": 64909,
   "source": 4
  },
  {
   "ts": "2026-08-10T22:15:09.563Z",
   "subscribers": 64418,
   "source": 4
  },
  {
   "ts": "2026-08-11T20:42:35.797Z",
   "subscribers": 63115,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:13:38.890Z",
   "subscribers": 61795,
   "source": 4
  },
  {
   "ts": "2026-08-14T02:15:11.898Z",
   "subscribers": 61087,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:54:36.938Z",
   "subscribers": 66619,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:24:22.490Z",
   "subscribers": 64779,
   "source": 4
  },
  {
   "ts": "2026-08-18T12:38:18.648Z",
   "subscribers": 63930,
   "source": 4
  },
  {
   "ts": "2026-08-19T12:23:15.994Z",
   "subscribers": 62879,
   "source": 4
  },
  {
   "ts": "2026-08-20T15:45:37.763Z",
   "subscribers": 61999,
   "source": 4
  },
  {
   "ts": "2026-08-21T16:38:24.669Z",
   "subscribers": 60267,
   "source": 4
  },
  {
   "ts": "2026-08-22T23:34:32.516Z",
   "subscribers": 63876,
   "source": 4
  }
 ]
}
