{
 "meta": {
  "dataset": "Subscriber history — @certigram",
  "channel": "https://tgregister.com/channel/certigram",
  "retrieved_at": "2026-09-11T18:12:09.591Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T15:53:15.916Z",
   "to": "2026-09-09T23:02:02.223Z"
  },
  "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": "2026-08-07T15:53:15.916Z",
   "subscribers": 23413,
   "source": 0
  },
  {
   "ts": "2026-08-08T13:12:51.114Z",
   "subscribers": 23399,
   "source": 4
  },
  {
   "ts": "2026-08-09T16:21:53.269Z",
   "subscribers": 23381,
   "source": 4
  },
  {
   "ts": "2026-08-10T15:08:58.499Z",
   "subscribers": 23360,
   "source": 4
  },
  {
   "ts": "2026-08-11T16:47:13.554Z",
   "subscribers": 23344,
   "source": 4
  },
  {
   "ts": "2026-08-12T17:57:37.162Z",
   "subscribers": 23337,
   "source": 4
  },
  {
   "ts": "2026-08-13T18:28:29.613Z",
   "subscribers": 23332,
   "source": 4
  },
  {
   "ts": "2026-08-15T01:28:28.846Z",
   "subscribers": 23303,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:14:46.468Z",
   "subscribers": 23303,
   "source": 1
  },
  {
   "ts": "2026-08-16T17:25:06.926Z",
   "subscribers": 23283,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:26:07.830Z",
   "subscribers": 23243,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:16:00.590Z",
   "subscribers": 23230,
   "source": 4
  },
  {
   "ts": "2026-08-19T15:44:25.861Z",
   "subscribers": 23201,
   "source": 4
  },
  {
   "ts": "2026-08-20T12:35:15.795Z",
   "subscribers": 23192,
   "source": 4
  },
  {
   "ts": "2026-08-21T12:05:49.733Z",
   "subscribers": 23171,
   "source": 4
  },
  {
   "ts": "2026-08-22T19:14:28.789Z",
   "subscribers": 23141,
   "source": 4
  },
  {
   "ts": "2026-08-24T13:07:47.669Z",
   "subscribers": 23125,
   "source": 4
  },
  {
   "ts": "2026-08-25T16:13:05.939Z",
   "subscribers": 23097,
   "source": 4
  },
  {
   "ts": "2026-08-26T17:54:22.798Z",
   "subscribers": 23092,
   "source": 4
  },
  {
   "ts": "2026-08-27T14:24:00.252Z",
   "subscribers": 23064,
   "source": 4
  },
  {
   "ts": "2026-08-28T13:12:55.745Z",
   "subscribers": 23053,
   "source": 4
  },
  {
   "ts": "2026-08-29T14:13:41.528Z",
   "subscribers": 23017,
   "source": 4
  },
  {
   "ts": "2026-08-30T14:55:53.757Z",
   "subscribers": 23009,
   "source": 4
  },
  {
   "ts": "2026-08-31T14:28:53.721Z",
   "subscribers": 22981,
   "source": 4
  },
  {
   "ts": "2026-09-01T17:06:46.351Z",
   "subscribers": 22968,
   "source": 4
  },
  {
   "ts": "2026-09-02T20:36:31.804Z",
   "subscribers": 22951,
   "source": 4
  },
  {
   "ts": "2026-09-04T07:19:46.086Z",
   "subscribers": 22931,
   "source": 4
  },
  {
   "ts": "2026-09-06T12:40:29.397Z",
   "subscribers": 22883,
   "source": 4
  },
  {
   "ts": "2026-09-09T23:02:02.223Z",
   "subscribers": 22830,
   "source": 4
  }
 ]
}
