{
 "meta": {
  "dataset": "Subscriber history — @Course_reserve",
  "channel": "https://tgregister.com/channel/Course_reserve",
  "retrieved_at": "2026-09-10T18:19:27.131Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-09T10:01:04.780Z",
   "to": "2026-09-09T07:55:36.326Z"
  },
  "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": "2026-08-09T10:01:04.780Z",
   "subscribers": 21743,
   "source": 3
  },
  {
   "ts": "2026-08-09T17:42:17.123Z",
   "subscribers": 21747,
   "source": 4
  },
  {
   "ts": "2026-08-10T16:52:16.137Z",
   "subscribers": 21760,
   "source": 4
  },
  {
   "ts": "2026-08-11T20:12:40.409Z",
   "subscribers": 21789,
   "source": 4
  },
  {
   "ts": "2026-08-12T17:22:28.334Z",
   "subscribers": 21798,
   "source": 4
  },
  {
   "ts": "2026-08-13T15:09:12.894Z",
   "subscribers": 21801,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:45:35.765Z",
   "subscribers": 21828,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:04:06.124Z",
   "subscribers": 21841,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:25:08.190Z",
   "subscribers": 21845,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:22:34.547Z",
   "subscribers": 21850,
   "source": 4
  },
  {
   "ts": "2026-08-19T13:27:37.024Z",
   "subscribers": 21860,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:43:32.137Z",
   "subscribers": 21886,
   "source": 4
  },
  {
   "ts": "2026-08-22T03:36:40.780Z",
   "subscribers": 21904,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:08:16.503Z",
   "subscribers": 21896,
   "source": 4
  },
  {
   "ts": "2026-08-25T02:34:27.739Z",
   "subscribers": 21912,
   "source": 4
  },
  {
   "ts": "2026-08-26T01:14:13.081Z",
   "subscribers": 21915,
   "source": 4
  },
  {
   "ts": "2026-08-26T21:58:03.071Z",
   "subscribers": 21916,
   "source": 4
  },
  {
   "ts": "2026-08-27T18:53:03.879Z",
   "subscribers": 21920,
   "source": 4
  },
  {
   "ts": "2026-08-28T15:34:24.625Z",
   "subscribers": 21985,
   "source": 4
  },
  {
   "ts": "2026-08-29T12:14:27.680Z",
   "subscribers": 22032,
   "source": 4
  },
  {
   "ts": "2026-08-30T10:36:30.341Z",
   "subscribers": 22045,
   "source": 4
  },
  {
   "ts": "2026-08-31T13:37:56.329Z",
   "subscribers": 22057,
   "source": 4
  },
  {
   "ts": "2026-09-01T13:25:06.589Z",
   "subscribers": 22062,
   "source": 4
  },
  {
   "ts": "2026-09-02T11:12:43.960Z",
   "subscribers": 22065,
   "source": 4
  },
  {
   "ts": "2026-09-03T22:37:58.634Z",
   "subscribers": 22073,
   "source": 4
  },
  {
   "ts": "2026-09-06T02:18:06.258Z",
   "subscribers": 22086,
   "source": 4
  },
  {
   "ts": "2026-09-09T07:55:36.326Z",
   "subscribers": 22098,
   "source": 4
  }
 ]
}