{
 "meta": {
  "dataset": "Subscriber history — @PDF90",
  "channel": "https://tgregister.com/channel/PDF90",
  "retrieved_at": "2026-08-28T18:28:43.043Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 21,
  "window": {
   "from": "2026-08-06T17:31:52.658Z",
   "to": "2026-08-28T02:48:34.197Z"
  },
  "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": "2026-08-06T17:31:52.658Z",
   "subscribers": 22896,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:05:42.360Z",
   "subscribers": 22886,
   "source": 4
  },
  {
   "ts": "2026-08-08T21:22:59.646Z",
   "subscribers": 22866,
   "source": 4
  },
  {
   "ts": "2026-08-09T20:52:32.853Z",
   "subscribers": 22853,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:18:38.117Z",
   "subscribers": 22848,
   "source": 4
  },
  {
   "ts": "2026-08-11T17:22:36.931Z",
   "subscribers": 22833,
   "source": 4
  },
  {
   "ts": "2026-08-12T16:57:36.950Z",
   "subscribers": 22816,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:25:46.768Z",
   "subscribers": 22804,
   "source": 4
  },
  {
   "ts": "2026-08-15T12:28:41.092Z",
   "subscribers": 22785,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:48:21.225Z",
   "subscribers": 22785,
   "source": 1
  },
  {
   "ts": "2026-08-16T21:34:29.182Z",
   "subscribers": 22780,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:14:39.233Z",
   "subscribers": 22775,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:08:00.310Z",
   "subscribers": 22770,
   "source": 4
  },
  {
   "ts": "2026-08-19T23:07:25.919Z",
   "subscribers": 22763,
   "source": 4
  },
  {
   "ts": "2026-08-20T23:05:34.408Z",
   "subscribers": 22756,
   "source": 4
  },
  {
   "ts": "2026-08-22T09:24:09.090Z",
   "subscribers": 22749,
   "source": 4
  },
  {
   "ts": "2026-08-24T03:03:03.955Z",
   "subscribers": 22722,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:35:38.135Z",
   "subscribers": 22716,
   "source": 4
  },
  {
   "ts": "2026-08-26T02:14:40.722Z",
   "subscribers": 22702,
   "source": 4
  },
  {
   "ts": "2026-08-27T04:23:41.853Z",
   "subscribers": 22694,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:48:34.197Z",
   "subscribers": 22684,
   "source": 4
  }
 ]
}