{
 "meta": {
  "dataset": "Subscriber history — @sdzyq",
  "channel": "https://tgregister.com/channel/sdzyq",
  "retrieved_at": "2026-08-21T17:32:23.709Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 16,
  "window": {
   "from": "2026-08-07T12:24:48.904Z",
   "to": "2026-08-21T14:19:12.944Z"
  },
  "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": "2026-08-07T12:24:48.904Z",
   "subscribers": 20326,
   "source": 0
  },
  {
   "ts": "2026-08-07T15:10:25.366Z",
   "subscribers": 20325,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:26:51.705Z",
   "subscribers": 20355,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:14:01.133Z",
   "subscribers": 20396,
   "source": 4
  },
  {
   "ts": "2026-08-10T13:53:10.177Z",
   "subscribers": 20427,
   "source": 4
  },
  {
   "ts": "2026-08-11T11:23:56.705Z",
   "subscribers": 20472,
   "source": 4
  },
  {
   "ts": "2026-08-12T09:57:20.735Z",
   "subscribers": 20443,
   "source": 4
  },
  {
   "ts": "2026-08-13T09:25:46.437Z",
   "subscribers": 20485,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:04:10.136Z",
   "subscribers": 20483,
   "source": 4
  },
  {
   "ts": "2026-08-16T06:47:28.389Z",
   "subscribers": 20531,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:26:23.258Z",
   "subscribers": 20531,
   "source": 1
  },
  {
   "ts": "2026-08-17T13:25:06.229Z",
   "subscribers": 20544,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:12:33.273Z",
   "subscribers": 20854,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:02:55.799Z",
   "subscribers": 20150,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:43:24.093Z",
   "subscribers": 21867,
   "source": 4
  },
  {
   "ts": "2026-08-21T14:19:12.944Z",
   "subscribers": 22375,
   "source": 4
  }
 ]
}