{
 "meta": {
  "dataset": "Subscriber history — @USMLEstep23",
  "channel": "https://tgregister.com/channel/USMLEstep23",
  "retrieved_at": "2026-09-06T03:03:15.358Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 26,
  "window": {
   "from": "2026-08-06T15:44:05.712Z",
   "to": "2026-09-04T11:20:40.217Z"
  },
  "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": "2026-08-06T15:44:05.712Z",
   "subscribers": 11227,
   "source": 0
  },
  {
   "ts": "2026-08-06T23:48:27.175Z",
   "subscribers": 11229,
   "source": 4
  },
  {
   "ts": "2026-08-08T02:56:00.402Z",
   "subscribers": 11234,
   "source": 4
  },
  {
   "ts": "2026-08-09T05:51:27.128Z",
   "subscribers": 11237,
   "source": 4
  },
  {
   "ts": "2026-08-10T06:21:36.365Z",
   "subscribers": 11234,
   "source": 4
  },
  {
   "ts": "2026-08-11T07:55:25.885Z",
   "subscribers": 11244,
   "source": 4
  },
  {
   "ts": "2026-08-12T07:56:52.367Z",
   "subscribers": 11249,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:14:26.190Z",
   "subscribers": 11256,
   "source": 4
  },
  {
   "ts": "2026-08-14T16:14:08.533Z",
   "subscribers": 11257,
   "source": 4
  },
  {
   "ts": "2026-08-16T07:24:14.720Z",
   "subscribers": 11272,
   "source": 4
  },
  {
   "ts": "2026-08-17T13:06:18.255Z",
   "subscribers": 11273,
   "source": 4
  },
  {
   "ts": "2026-08-18T14:05:45.518Z",
   "subscribers": 11268,
   "source": 4
  },
  {
   "ts": "2026-08-19T15:14:12.978Z",
   "subscribers": 11271,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:44:03.672Z",
   "subscribers": 11273,
   "source": 4
  },
  {
   "ts": "2026-08-21T18:37:57.994Z",
   "subscribers": 11281,
   "source": 4
  },
  {
   "ts": "2026-08-21T19:56:01.086Z",
   "subscribers": 11281,
   "source": 1
  },
  {
   "ts": "2026-08-23T06:05:27.463Z",
   "subscribers": 11291,
   "source": 4
  },
  {
   "ts": "2026-08-24T18:45:58.453Z",
   "subscribers": 11297,
   "source": 4
  },
  {
   "ts": "2026-08-26T22:08:02.721Z",
   "subscribers": 11299,
   "source": 4
  },
  {
   "ts": "2026-08-27T22:34:13.401Z",
   "subscribers": 11304,
   "source": 4
  },
  {
   "ts": "2026-08-30T01:28:53.446Z",
   "subscribers": 11308,
   "source": 4
  },
  {
   "ts": "2026-08-31T00:14:20.338Z",
   "subscribers": 11314,
   "source": 4
  },
  {
   "ts": "2026-09-01T00:29:08.710Z",
   "subscribers": 11323,
   "source": 4
  },
  {
   "ts": "2026-09-01T23:26:07.800Z",
   "subscribers": 11326,
   "source": 4
  },
  {
   "ts": "2026-09-03T01:15:16.936Z",
   "subscribers": 11333,
   "source": 4
  },
  {
   "ts": "2026-09-04T11:20:40.217Z",
   "subscribers": 11341,
   "source": 4
  }
 ]
}
