{
 "meta": {
  "dataset": "Subscriber history — @listmaterials",
  "channel": "https://tgregister.com/channel/listmaterials",
  "retrieved_at": "2026-08-16T09:57:41.347Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-07T14:45:55.974Z",
   "to": "2026-08-16T06:52:40.931Z"
  },
  "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": "2026-08-07T14:45:55.974Z",
   "subscribers": 28474,
   "source": 0
  },
  {
   "ts": "2026-08-08T03:01:25.423Z",
   "subscribers": 28494,
   "source": 4
  },
  {
   "ts": "2026-08-09T02:21:31.183Z",
   "subscribers": 28544,
   "source": 4
  },
  {
   "ts": "2026-08-10T03:21:23.954Z",
   "subscribers": 28568,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:54:37.902Z",
   "subscribers": 28612,
   "source": 4
  },
  {
   "ts": "2026-08-12T05:24:31.716Z",
   "subscribers": 28632,
   "source": 4
  },
  {
   "ts": "2026-08-13T05:18:18.076Z",
   "subscribers": 28656,
   "source": 4
  },
  {
   "ts": "2026-08-14T16:44:43.853Z",
   "subscribers": 28707,
   "source": 4
  },
  {
   "ts": "2026-08-14T17:20:44.246Z",
   "subscribers": 28707,
   "source": 1
  },
  {
   "ts": "2026-08-16T06:52:40.931Z",
   "subscribers": 28762,
   "source": 4
  }
 ]
}