{
 "meta": {
  "dataset": "Subscriber history — @derzko",
  "channel": "https://tgregister.com/channel/derzko",
  "retrieved_at": "2026-08-22T01:10:37.444Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 31,
  "window": {
   "from": "2026-08-06T05:32:50.942Z",
   "to": "2026-08-21T22:18:39.344Z"
  },
  "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": "2026-08-06T05:32:50.942Z",
   "subscribers": 12442,
   "source": 3
  },
  {
   "ts": "2026-08-06T13:42:02.493Z",
   "subscribers": 12442,
   "source": 4
  },
  {
   "ts": "2026-08-06T22:15:19.231Z",
   "subscribers": 12435,
   "source": 3
  },
  {
   "ts": "2026-08-07T04:28:13.553Z",
   "subscribers": 12434,
   "source": 4
  },
  {
   "ts": "2026-08-07T12:34:10.879Z",
   "subscribers": 12430,
   "source": 4
  },
  {
   "ts": "2026-08-08T06:16:15.826Z",
   "subscribers": 12424,
   "source": 4
  },
  {
   "ts": "2026-08-08T15:46:08.444Z",
   "subscribers": 12423,
   "source": 4
  },
  {
   "ts": "2026-08-09T03:54:13.076Z",
   "subscribers": 12421,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:13:00.706Z",
   "subscribers": 12420,
   "source": 4
  },
  {
   "ts": "2026-08-10T02:02:09.070Z",
   "subscribers": 12418,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:01:18.046Z",
   "subscribers": 12413,
   "source": 4
  },
  {
   "ts": "2026-08-11T01:34:20.621Z",
   "subscribers": 12406,
   "source": 4
  },
  {
   "ts": "2026-08-11T16:48:52.946Z",
   "subscribers": 12399,
   "source": 4
  },
  {
   "ts": "2026-08-12T03:04:00.291Z",
   "subscribers": 12394,
   "source": 4
  },
  {
   "ts": "2026-08-12T13:55:01.377Z",
   "subscribers": 12391,
   "source": 4
  },
  {
   "ts": "2026-08-13T03:26:03.618Z",
   "subscribers": 12390,
   "source": 4
  },
  {
   "ts": "2026-08-13T16:37:26.818Z",
   "subscribers": 12381,
   "source": 4
  },
  {
   "ts": "2026-08-14T13:54:13.828Z",
   "subscribers": 12378,
   "source": 4
  },
  {
   "ts": "2026-08-15T01:09:08.338Z",
   "subscribers": 12377,
   "source": 4
  },
  {
   "ts": "2026-08-16T03:15:46.441Z",
   "subscribers": 12371,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:58:52.404Z",
   "subscribers": 12369,
   "source": 4
  },
  {
   "ts": "2026-08-17T11:37:34.407Z",
   "subscribers": 12365,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:44:17.779Z",
   "subscribers": 12363,
   "source": 4
  },
  {
   "ts": "2026-08-18T11:19:01.717Z",
   "subscribers": 12361,
   "source": 4
  },
  {
   "ts": "2026-08-18T21:25:28.775Z",
   "subscribers": 12361,
   "source": 4
  },
  {
   "ts": "2026-08-19T12:23:37.081Z",
   "subscribers": 12359,
   "source": 4
  },
  {
   "ts": "2026-08-19T23:03:16.825Z",
   "subscribers": 12354,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:38:54.992Z",
   "subscribers": 12350,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:32:51.765Z",
   "subscribers": 12350,
   "source": 4
  },
  {
   "ts": "2026-08-21T13:05:12.203Z",
   "subscribers": 12348,
   "source": 4
  },
  {
   "ts": "2026-08-21T22:18:39.344Z",
   "subscribers": 12345,
   "source": 4
  }
 ]
}