{
 "meta": {
  "dataset": "Subscriber history — @HD_PHYS",
  "channel": "https://tgregister.com/channel/HD_PHYS",
  "retrieved_at": "2026-08-18T21:38:12.624Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T18:09:37.522Z",
   "to": "2026-08-18T17:03:13.251Z"
  },
  "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": "2026-08-07T18:09:37.522Z",
   "subscribers": 13737,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:16:10.095Z",
   "subscribers": 13737,
   "source": 3
  },
  {
   "ts": "2026-08-08T06:41:13.975Z",
   "subscribers": 13723,
   "source": 4
  },
  {
   "ts": "2026-08-09T08:21:18.880Z",
   "subscribers": 13708,
   "source": 4
  },
  {
   "ts": "2026-08-10T11:35:19.756Z",
   "subscribers": 13702,
   "source": 4
  },
  {
   "ts": "2026-08-11T12:12:11.825Z",
   "subscribers": 13715,
   "source": 4
  },
  {
   "ts": "2026-08-12T11:15:29.857Z",
   "subscribers": 13705,
   "source": 4
  },
  {
   "ts": "2026-08-13T11:48:24.142Z",
   "subscribers": 13694,
   "source": 4
  },
  {
   "ts": "2026-08-14T23:46:26.249Z",
   "subscribers": 13684,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:18:48.277Z",
   "subscribers": 13659,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:04:01.417Z",
   "subscribers": 13648,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:03:13.251Z",
   "subscribers": 13650,
   "source": 4
  }
 ]
}