{
 "meta": {
  "dataset": "Subscriber history — @blackhat",
  "channel": "https://tgregister.com/channel/blackhat",
  "retrieved_at": "2026-09-11T12:26:49.181Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 21,
  "window": {
   "from": "2026-08-06T01:10:21.993Z",
   "to": "2026-08-27T20:33:50.697Z"
  },
  "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": "2026-08-06T01:10:21.993Z",
   "subscribers": 21857,
   "source": 0
  },
  {
   "ts": "2026-08-07T01:00:13.214Z",
   "subscribers": 21915,
   "source": 4
  },
  {
   "ts": "2026-08-08T00:50:40.673Z",
   "subscribers": 21952,
   "source": 4
  },
  {
   "ts": "2026-08-09T02:52:04.818Z",
   "subscribers": 22010,
   "source": 4
  },
  {
   "ts": "2026-08-10T02:51:38.010Z",
   "subscribers": 22044,
   "source": 4
  },
  {
   "ts": "2026-08-11T01:36:42.339Z",
   "subscribers": 22104,
   "source": 4
  },
  {
   "ts": "2026-08-12T03:52:16.294Z",
   "subscribers": 22180,
   "source": 4
  },
  {
   "ts": "2026-08-13T05:05:31.651Z",
   "subscribers": 22344,
   "source": 4
  },
  {
   "ts": "2026-08-14T17:57:56.175Z",
   "subscribers": 22593,
   "source": 4
  },
  {
   "ts": "2026-08-15T20:02:42.310Z",
   "subscribers": 22593,
   "source": 1
  },
  {
   "ts": "2026-08-16T05:46:55.165Z",
   "subscribers": 22863,
   "source": 4
  },
  {
   "ts": "2026-08-17T14:57:50.217Z",
   "subscribers": 23115,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:42:30.901Z",
   "subscribers": 23236,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:28:02.280Z",
   "subscribers": 23317,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:04:42.327Z",
   "subscribers": 23431,
   "source": 4
  },
  {
   "ts": "2026-08-21T17:57:50.341Z",
   "subscribers": 23496,
   "source": 4
  },
  {
   "ts": "2026-08-23T07:27:01.163Z",
   "subscribers": 23577,
   "source": 4
  },
  {
   "ts": "2026-08-24T23:19:07.644Z",
   "subscribers": 23663,
   "source": 4
  },
  {
   "ts": "2026-08-25T22:34:32.314Z",
   "subscribers": 23713,
   "source": 4
  },
  {
   "ts": "2026-08-26T22:25:31.322Z",
   "subscribers": 28934,
   "source": 4
  },
  {
   "ts": "2026-08-27T20:33:50.697Z",
   "subscribers": 28971,
   "source": 4
  }
 ]
}