{
 "meta": {
  "dataset": "Subscriber history — @smclearningmaterial",
  "channel": "https://tgregister.com/channel/smclearningmaterial",
  "retrieved_at": "2026-09-16T21:59:51.513Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T09:57:32.571Z",
   "to": "2026-09-12T01:01:43.292Z"
  },
  "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": "2026-08-07T09:57:32.571Z",
   "subscribers": 4638,
   "source": 0
  },
  {
   "ts": "2026-08-10T16:38:20.102Z",
   "subscribers": 4644,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:34:32.841Z",
   "subscribers": 4640,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:06:28.240Z",
   "subscribers": 4632,
   "source": 4
  },
  {
   "ts": "2026-08-20T18:13:00.943Z",
   "subscribers": 4633,
   "source": 4
  },
  {
   "ts": "2026-08-24T04:27:01.183Z",
   "subscribers": 4628,
   "source": 4
  },
  {
   "ts": "2026-08-27T11:25:17.214Z",
   "subscribers": 4629,
   "source": 4
  },
  {
   "ts": "2026-08-30T15:52:25.986Z",
   "subscribers": 4626,
   "source": 4
  },
  {
   "ts": "2026-09-02T11:24:40.463Z",
   "subscribers": 4643,
   "source": 4
  },
  {
   "ts": "2026-09-02T22:18:27.511Z",
   "subscribers": 4643,
   "source": 1
  },
  {
   "ts": "2026-09-07T12:57:36.494Z",
   "subscribers": 4659,
   "source": 4
  },
  {
   "ts": "2026-09-12T01:01:43.292Z",
   "subscribers": 4657,
   "source": 4
  }
 ]
}