{
 "meta": {
  "dataset": "Subscriber history — @zd_f3",
  "channel": "https://tgregister.com/channel/zd_f3",
  "retrieved_at": "2026-08-21T21:22:12.571Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 15,
  "window": {
   "from": "2026-08-06T22:39:36.278Z",
   "to": "2026-08-20T20:55:57.646Z"
  },
  "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": "2026-08-06T22:39:36.278Z",
   "subscribers": 51462,
   "source": 0
  },
  {
   "ts": "2026-08-06T22:45:13.301Z",
   "subscribers": 51462,
   "source": 3
  },
  {
   "ts": "2026-08-08T02:01:09.037Z",
   "subscribers": 51357,
   "source": 4
  },
  {
   "ts": "2026-08-09T00:55:15.393Z",
   "subscribers": 51305,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:21:27.577Z",
   "subscribers": 51233,
   "source": 4
  },
  {
   "ts": "2026-08-10T22:05:10.943Z",
   "subscribers": 51187,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:57:14.205Z",
   "subscribers": 51121,
   "source": 4
  },
  {
   "ts": "2026-08-12T18:15:30.530Z",
   "subscribers": 51071,
   "source": 4
  },
  {
   "ts": "2026-08-13T15:56:47.889Z",
   "subscribers": 51001,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:04:49.473Z",
   "subscribers": 50937,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:47:26.514Z",
   "subscribers": 50828,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:37:30.700Z",
   "subscribers": 50762,
   "source": 4
  },
  {
   "ts": "2026-08-18T21:45:04.764Z",
   "subscribers": 50697,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:43:44.897Z",
   "subscribers": 50629,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:55:57.646Z",
   "subscribers": 50557,
   "source": 4
  }
 ]
}