{
 "meta": {
  "dataset": "Subscriber history — @coursesora",
  "channel": "https://tgregister.com/channel/coursesora",
  "retrieved_at": "2026-09-09T12:01:21.913Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 30,
  "window": {
   "from": "2026-08-06T15:18:13.689Z",
   "to": "2026-09-07T09:37:09.622Z"
  },
  "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": "2026-08-06T15:18:13.689Z",
   "subscribers": 20899,
   "source": 0
  },
  {
   "ts": "2026-08-07T01:56:02.559Z",
   "subscribers": 20895,
   "source": 4
  },
  {
   "ts": "2026-08-08T02:14:41.817Z",
   "subscribers": 20882,
   "source": 4
  },
  {
   "ts": "2026-08-09T00:56:04.283Z",
   "subscribers": 20869,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:11:22.600Z",
   "subscribers": 20854,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:51:19.600Z",
   "subscribers": 20845,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:44:51.230Z",
   "subscribers": 20831,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:54:18.140Z",
   "subscribers": 20832,
   "source": 4
  },
  {
   "ts": "2026-08-14T03:47:05.201Z",
   "subscribers": 20801,
   "source": 4
  },
  {
   "ts": "2026-08-15T17:23:57.936Z",
   "subscribers": 20792,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:09:15.568Z",
   "subscribers": 20792,
   "source": 1
  },
  {
   "ts": "2026-08-16T21:57:33.110Z",
   "subscribers": 20759,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:26:39.952Z",
   "subscribers": 20758,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:27:05.590Z",
   "subscribers": 20741,
   "source": 4
  },
  {
   "ts": "2026-08-20T01:16:38.953Z",
   "subscribers": 20735,
   "source": 4
  },
  {
   "ts": "2026-08-21T01:03:32.655Z",
   "subscribers": 20728,
   "source": 4
  },
  {
   "ts": "2026-08-22T09:25:11.709Z",
   "subscribers": 20720,
   "source": 4
  },
  {
   "ts": "2026-08-24T01:25:35.758Z",
   "subscribers": 20699,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:34:39.464Z",
   "subscribers": 20682,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:23:57.249Z",
   "subscribers": 20675,
   "source": 4
  },
  {
   "ts": "2026-08-27T04:16:25.852Z",
   "subscribers": 20662,
   "source": 4
  },
  {
   "ts": "2026-08-28T04:44:31.260Z",
   "subscribers": 20655,
   "source": 4
  },
  {
   "ts": "2026-08-29T03:43:38.915Z",
   "subscribers": 20651,
   "source": 4
  },
  {
   "ts": "2026-08-30T06:16:35.473Z",
   "subscribers": 20631,
   "source": 4
  },
  {
   "ts": "2026-08-31T04:47:06.293Z",
   "subscribers": 20616,
   "source": 4
  },
  {
   "ts": "2026-09-01T02:18:43.409Z",
   "subscribers": 20606,
   "source": 4
  },
  {
   "ts": "2026-09-02T01:24:14.651Z",
   "subscribers": 20591,
   "source": 4
  },
  {
   "ts": "2026-09-03T01:09:21.153Z",
   "subscribers": 20562,
   "source": 4
  },
  {
   "ts": "2026-09-04T14:01:36.288Z",
   "subscribers": 20550,
   "source": 4
  },
  {
   "ts": "2026-09-07T09:37:09.622Z",
   "subscribers": 20525,
   "source": 4
  }
 ]
}