{
 "meta": {
  "dataset": "Subscriber history — @educourses1",
  "channel": "https://tgregister.com/channel/educourses1",
  "retrieved_at": "2026-08-29T12:03:52.439Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 20,
  "window": {
   "from": "2026-08-07T22:46:23.253Z",
   "to": "2026-08-28T21:33:47.801Z"
  },
  "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": "2026-08-07T22:46:23.253Z",
   "subscribers": 18326,
   "source": 3
  },
  {
   "ts": "2026-08-08T05:58:39.582Z",
   "subscribers": 18324,
   "source": 4
  },
  {
   "ts": "2026-08-09T08:51:06.116Z",
   "subscribers": 18315,
   "source": 4
  },
  {
   "ts": "2026-08-10T10:01:18.783Z",
   "subscribers": 18307,
   "source": 4
  },
  {
   "ts": "2026-08-11T08:06:04.157Z",
   "subscribers": 18295,
   "source": 4
  },
  {
   "ts": "2026-08-12T07:57:21.562Z",
   "subscribers": 18289,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:53:45.838Z",
   "subscribers": 18282,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:04:59.898Z",
   "subscribers": 18269,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:48:12.096Z",
   "subscribers": 18276,
   "source": 4
  },
  {
   "ts": "2026-08-17T15:38:51.242Z",
   "subscribers": 18294,
   "source": 4
  },
  {
   "ts": "2026-08-18T14:05:08.148Z",
   "subscribers": 18315,
   "source": 4
  },
  {
   "ts": "2026-08-19T12:26:28.970Z",
   "subscribers": 18338,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:46:59.604Z",
   "subscribers": 18348,
   "source": 4
  },
  {
   "ts": "2026-08-21T19:27:43.654Z",
   "subscribers": 18357,
   "source": 4
  },
  {
   "ts": "2026-08-23T04:15:11.515Z",
   "subscribers": 18539,
   "source": 4
  },
  {
   "ts": "2026-08-24T19:24:41.126Z",
   "subscribers": 18766,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:34:14.273Z",
   "subscribers": 18886,
   "source": 4
  },
  {
   "ts": "2026-08-26T20:38:50.544Z",
   "subscribers": 18979,
   "source": 4
  },
  {
   "ts": "2026-08-28T00:07:46.510Z",
   "subscribers": 19029,
   "source": 4
  },
  {
   "ts": "2026-08-28T21:33:47.801Z",
   "subscribers": 19097,
   "source": 4
  }
 ]
}