{
 "meta": {
  "dataset": "Subscriber history — @environment_mindmap",
  "channel": "https://tgregister.com/channel/environment_mindmap",
  "retrieved_at": "2026-08-30T20:46:19.077Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 22,
  "window": {
   "from": "2026-08-07T16:31:54.760Z",
   "to": "2026-08-29T22:27:38.280Z"
  },
  "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": "2026-08-07T16:31:54.760Z",
   "subscribers": 40443,
   "source": 0
  },
  {
   "ts": "2026-08-08T02:18:56.724Z",
   "subscribers": 40426,
   "source": 4
  },
  {
   "ts": "2026-08-09T03:52:20.769Z",
   "subscribers": 40396,
   "source": 4
  },
  {
   "ts": "2026-08-10T03:41:41.177Z",
   "subscribers": 40369,
   "source": 4
  },
  {
   "ts": "2026-08-11T03:21:18.505Z",
   "subscribers": 40342,
   "source": 4
  },
  {
   "ts": "2026-08-12T04:33:00.845Z",
   "subscribers": 40319,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:34:04.381Z",
   "subscribers": 40319,
   "source": 1
  },
  {
   "ts": "2026-08-13T07:34:01.572Z",
   "subscribers": 40298,
   "source": 4
  },
  {
   "ts": "2026-08-14T15:35:08.482Z",
   "subscribers": 40260,
   "source": 4
  },
  {
   "ts": "2026-08-16T07:27:10.193Z",
   "subscribers": 40226,
   "source": 4
  },
  {
   "ts": "2026-08-17T15:24:58.510Z",
   "subscribers": 40191,
   "source": 4
  },
  {
   "ts": "2026-08-18T14:58:33.941Z",
   "subscribers": 40162,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:37:16.627Z",
   "subscribers": 40148,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:54:51.030Z",
   "subscribers": 40127,
   "source": 4
  },
  {
   "ts": "2026-08-21T13:23:33.158Z",
   "subscribers": 40096,
   "source": 4
  },
  {
   "ts": "2026-08-23T03:27:24.977Z",
   "subscribers": 40043,
   "source": 4
  },
  {
   "ts": "2026-08-24T16:49:10.528Z",
   "subscribers": 40008,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:44:23.936Z",
   "subscribers": 39982,
   "source": 4
  },
  {
   "ts": "2026-08-26T17:33:12.565Z",
   "subscribers": 39960,
   "source": 4
  },
  {
   "ts": "2026-08-27T19:48:29.484Z",
   "subscribers": 39932,
   "source": 4
  },
  {
   "ts": "2026-08-28T19:38:33.495Z",
   "subscribers": 39903,
   "source": 4
  },
  {
   "ts": "2026-08-29T22:27:38.280Z",
   "subscribers": 39884,
   "source": 4
  }
 ]
}