{
 "meta": {
  "dataset": "Subscriber history — @City_List",
  "channel": "https://tgregister.com/channel/City_List",
  "retrieved_at": "2026-08-19T09:08:50.574Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 12,
  "window": {
   "from": "2026-08-07T12:26:03.309Z",
   "to": "2026-08-18T22:24:21.195Z"
  },
  "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": "2026-08-07T12:26:03.309Z",
   "subscribers": 9991,
   "source": 0
  },
  {
   "ts": "2026-08-07T12:31:50.201Z",
   "subscribers": 9991,
   "source": 3
  },
  {
   "ts": "2026-08-08T12:38:52.427Z",
   "subscribers": 10030,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:01:26.702Z",
   "subscribers": 10026,
   "source": 4
  },
  {
   "ts": "2026-08-10T13:25:23.210Z",
   "subscribers": 10022,
   "source": 4
  },
  {
   "ts": "2026-08-11T15:13:53.326Z",
   "subscribers": 10020,
   "source": 4
  },
  {
   "ts": "2026-08-12T18:16:12.900Z",
   "subscribers": 10024,
   "source": 4
  },
  {
   "ts": "2026-08-14T02:15:44.847Z",
   "subscribers": 10031,
   "source": 4
  },
  {
   "ts": "2026-08-15T08:17:22.390Z",
   "subscribers": 10036,
   "source": 4
  },
  {
   "ts": "2026-08-16T18:48:54.889Z",
   "subscribers": 10028,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:46:24.411Z",
   "subscribers": 10016,
   "source": 4
  },
  {
   "ts": "2026-08-18T22:24:21.195Z",
   "subscribers": 10004,
   "source": 4
  }
 ]
}
