{
 "meta": {
  "dataset": "Subscriber history — @massstudy2025",
  "channel": "https://tgregister.com/channel/massstudy2025",
  "retrieved_at": "2026-08-18T06:37:25.814Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-07T12:17:55.784Z",
   "to": "2026-08-17T11:44:09.095Z"
  },
  "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": "2026-08-07T12:17:55.784Z",
   "subscribers": 482785,
   "source": 3
  },
  {
   "ts": "2026-08-07T20:10:36.652Z",
   "subscribers": 482832,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:10:51.724Z",
   "subscribers": 482955,
   "source": 4
  },
  {
   "ts": "2026-08-09T20:52:39.439Z",
   "subscribers": 483088,
   "source": 4
  },
  {
   "ts": "2026-08-10T22:55:17.310Z",
   "subscribers": 483107,
   "source": 4
  },
  {
   "ts": "2026-08-12T00:55:25.499Z",
   "subscribers": 483046,
   "source": 4
  },
  {
   "ts": "2026-08-12T23:33:49.224Z",
   "subscribers": 483070,
   "source": 4
  },
  {
   "ts": "2026-08-14T11:38:55.419Z",
   "subscribers": 483221,
   "source": 4
  },
  {
   "ts": "2026-08-16T02:38:11.361Z",
   "subscribers": 483048,
   "source": 4
  },
  {
   "ts": "2026-08-17T11:44:09.095Z",
   "subscribers": 482973,
   "source": 4
  }
 ]
}
