{
 "meta": {
  "dataset": "Subscriber history — @spb_conc",
  "channel": "https://tgregister.com/channel/spb_conc",
  "retrieved_at": "2026-08-18T02:35:05.473Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-07T13:16:26.993Z",
   "to": "2026-08-17T16:08:53.711Z"
  },
  "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": "2026-08-07T13:16:26.993Z",
   "subscribers": 12418,
   "source": 3
  },
  {
   "ts": "2026-08-08T03:56:14.319Z",
   "subscribers": 12421,
   "source": 4
  },
  {
   "ts": "2026-08-09T03:54:41.754Z",
   "subscribers": 12423,
   "source": 4
  },
  {
   "ts": "2026-08-10T03:56:41.738Z",
   "subscribers": 12426,
   "source": 4
  },
  {
   "ts": "2026-08-11T07:06:27.037Z",
   "subscribers": 12425,
   "source": 4
  },
  {
   "ts": "2026-08-12T06:43:43.759Z",
   "subscribers": 12428,
   "source": 4
  },
  {
   "ts": "2026-08-13T07:34:56.250Z",
   "subscribers": 12427,
   "source": 4
  },
  {
   "ts": "2026-08-14T19:19:02.442Z",
   "subscribers": 12435,
   "source": 4
  },
  {
   "ts": "2026-08-16T07:25:35.842Z",
   "subscribers": 12438,
   "source": 4
  },
  {
   "ts": "2026-08-17T16:08:53.711Z",
   "subscribers": 12528,
   "source": 4
  }
 ]
}