{
 "meta": {
  "dataset": "Subscriber history — @ForestApp_Study_Group",
  "channel": "https://tgregister.com/channel/ForestApp_Study_Group",
  "retrieved_at": "2026-09-08T19:11:33.183Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-07T09:11:38.745Z",
   "to": "2026-09-07T13:59:57.775Z"
  },
  "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": "2026-08-07T09:11:38.745Z",
   "subscribers": 19740,
   "source": 0
  },
  {
   "ts": "2026-08-08T06:22:30.586Z",
   "subscribers": 19734,
   "source": 4
  },
  {
   "ts": "2026-08-09T06:41:22.431Z",
   "subscribers": 19741,
   "source": 4
  },
  {
   "ts": "2026-08-10T07:32:00.478Z",
   "subscribers": 19727,
   "source": 4
  },
  {
   "ts": "2026-08-11T04:41:33.421Z",
   "subscribers": 19734,
   "source": 4
  },
  {
   "ts": "2026-08-12T01:32:25.322Z",
   "subscribers": 19733,
   "source": 4
  },
  {
   "ts": "2026-08-12T22:25:48.026Z",
   "subscribers": 20742,
   "source": 4
  },
  {
   "ts": "2026-08-14T02:06:59.650Z",
   "subscribers": 20751,
   "source": 4
  },
  {
   "ts": "2026-08-15T16:25:03.626Z",
   "subscribers": 20752,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:11:16.710Z",
   "subscribers": 20752,
   "source": 1
  },
  {
   "ts": "2026-08-17T09:55:20.006Z",
   "subscribers": 20763,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:43:14.274Z",
   "subscribers": 20767,
   "source": 4
  },
  {
   "ts": "2026-08-19T11:58:45.529Z",
   "subscribers": 20759,
   "source": 4
  },
  {
   "ts": "2026-08-20T15:23:12.949Z",
   "subscribers": 20771,
   "source": 4
  },
  {
   "ts": "2026-08-21T20:07:48.186Z",
   "subscribers": 20778,
   "source": 4
  },
  {
   "ts": "2026-08-23T12:12:52.478Z",
   "subscribers": 20764,
   "source": 4
  },
  {
   "ts": "2026-08-24T23:58:18.509Z",
   "subscribers": 20777,
   "source": 4
  },
  {
   "ts": "2026-08-26T23:13:19.747Z",
   "subscribers": 20773,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:09:12.597Z",
   "subscribers": 20792,
   "source": 4
  },
  {
   "ts": "2026-08-29T02:35:07.229Z",
   "subscribers": 20806,
   "source": 4
  },
  {
   "ts": "2026-08-30T02:05:00.688Z",
   "subscribers": 20817,
   "source": 4
  },
  {
   "ts": "2026-08-31T01:26:56.223Z",
   "subscribers": 20830,
   "source": 4
  },
  {
   "ts": "2026-09-01T00:47:56.277Z",
   "subscribers": 20851,
   "source": 4
  },
  {
   "ts": "2026-09-02T00:27:22.474Z",
   "subscribers": 20859,
   "source": 4
  },
  {
   "ts": "2026-09-03T00:34:40.555Z",
   "subscribers": 20866,
   "source": 4
  },
  {
   "ts": "2026-09-04T18:01:36.850Z",
   "subscribers": 20880,
   "source": 4
  },
  {
   "ts": "2026-09-07T13:59:57.775Z",
   "subscribers": 20945,
   "source": 4
  }
 ]
}