{
 "meta": {
  "dataset": "Subscriber history — @heartree",
  "channel": "https://tgregister.com/channel/heartree",
  "retrieved_at": "2026-08-21T15:58:39.383Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 13,
  "window": {
   "from": "2026-08-08T12:03:47.527Z",
   "to": "2026-08-21T12:18:23.267Z"
  },
  "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": "2026-08-08T12:03:47.527Z",
   "subscribers": 12398,
   "source": 3
  },
  {
   "ts": "2026-08-09T04:20:57.819Z",
   "subscribers": 12387,
   "source": 4
  },
  {
   "ts": "2026-08-10T03:51:30.708Z",
   "subscribers": 12374,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:06:11.023Z",
   "subscribers": 12354,
   "source": 4
  },
  {
   "ts": "2026-08-12T02:53:14.901Z",
   "subscribers": 12331,
   "source": 4
  },
  {
   "ts": "2026-08-12T23:54:42.880Z",
   "subscribers": 12311,
   "source": 4
  },
  {
   "ts": "2026-08-14T08:36:27.057Z",
   "subscribers": 12281,
   "source": 4
  },
  {
   "ts": "2026-08-15T20:57:21.294Z",
   "subscribers": 12260,
   "source": 4
  },
  {
   "ts": "2026-08-17T11:38:04.102Z",
   "subscribers": 12237,
   "source": 4
  },
  {
   "ts": "2026-08-18T14:54:46.732Z",
   "subscribers": 12211,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:42:32.401Z",
   "subscribers": 12194,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:15:10.945Z",
   "subscribers": 12176,
   "source": 4
  },
  {
   "ts": "2026-08-21T12:18:23.267Z",
   "subscribers": 12147,
   "source": 4
  }
 ]
}