{
 "meta": {
  "dataset": "Subscriber history — @dsabooks",
  "channel": "https://tgregister.com/channel/dsabooks",
  "retrieved_at": "2026-08-19T00:49:23.858Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-06T14:36:37.232Z",
   "to": "2026-08-18T16:14:00.851Z"
  },
  "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": "2026-08-06T14:36:37.232Z",
   "subscribers": 58857,
   "source": 0
  },
  {
   "ts": "2026-08-07T01:26:51.803Z",
   "subscribers": 58856,
   "source": 4
  },
  {
   "ts": "2026-08-08T00:41:17.019Z",
   "subscribers": 58861,
   "source": 4
  },
  {
   "ts": "2026-08-09T02:21:07.076Z",
   "subscribers": 58858,
   "source": 4
  },
  {
   "ts": "2026-08-10T02:41:33.632Z",
   "subscribers": 58860,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:18:11.454Z",
   "subscribers": 58891,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:43:24.376Z",
   "subscribers": 58891,
   "source": 1
  },
  {
   "ts": "2026-08-12T08:02:57.029Z",
   "subscribers": 58913,
   "source": 4
  },
  {
   "ts": "2026-08-13T10:38:54.230Z",
   "subscribers": 58938,
   "source": 4
  },
  {
   "ts": "2026-08-14T20:13:14.559Z",
   "subscribers": 58968,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:29:03.386Z",
   "subscribers": 58960,
   "source": 4
  },
  {
   "ts": "2026-08-17T13:15:58.311Z",
   "subscribers": 58982,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:14:00.851Z",
   "subscribers": 59003,
   "source": 4
  }
 ]
}