{
 "meta": {
  "dataset": "Subscriber history — @USMLERxStep1",
  "channel": "https://tgregister.com/channel/USMLERxStep1",
  "retrieved_at": "2026-08-18T02:11:17.056Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 11,
  "window": {
   "from": "2026-08-07T00:37:18.765Z",
   "to": "2026-08-17T10:25:24.157Z"
  },
  "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": "2026-08-07T00:37:18.765Z",
   "subscribers": 38136,
   "source": 0
  },
  {
   "ts": "2026-08-07T16:29:05.254Z",
   "subscribers": 38140,
   "source": 4
  },
  {
   "ts": "2026-08-08T18:32:04.598Z",
   "subscribers": 38142,
   "source": 4
  },
  {
   "ts": "2026-08-09T17:02:07.149Z",
   "subscribers": 38150,
   "source": 4
  },
  {
   "ts": "2026-08-10T16:31:19.741Z",
   "subscribers": 38145,
   "source": 4
  },
  {
   "ts": "2026-08-11T16:06:52.079Z",
   "subscribers": 38141,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:28:23.551Z",
   "subscribers": 38143,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:45:34.460Z",
   "subscribers": 38143,
   "source": 1
  },
  {
   "ts": "2026-08-14T03:13:52.604Z",
   "subscribers": 38144,
   "source": 4
  },
  {
   "ts": "2026-08-15T17:24:08.278Z",
   "subscribers": 38162,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:25:24.157Z",
   "subscribers": 38177,
   "source": 4
  }
 ]
}