{
 "meta": {
  "dataset": "Subscriber history — @calculation_smart_bot",
  "channel": "https://tgregister.com/channel/calculation_smart_bot",
  "retrieved_at": "2026-08-30T14:58:28.226Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 17,
  "window": {
   "from": "2026-08-07T20:32:06.257Z",
   "to": "2026-08-30T09:43:41.148Z"
  },
  "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": "2026-08-07T20:32:06.257Z",
   "subscribers": 28843,
   "source": 0
  },
  {
   "ts": "2026-08-08T15:17:13.191Z",
   "subscribers": 28795,
   "source": 4
  },
  {
   "ts": "2026-08-10T12:53:01.315Z",
   "subscribers": 28775,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:54:11.834Z",
   "subscribers": 28746,
   "source": 4
  },
  {
   "ts": "2026-08-13T12:06:26.700Z",
   "subscribers": 28676,
   "source": 4
  },
  {
   "ts": "2026-08-14T17:21:32.423Z",
   "subscribers": 28676,
   "source": 1
  },
  {
   "ts": "2026-08-14T23:57:29.902Z",
   "subscribers": 28699,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:08:02.368Z",
   "subscribers": 28785,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:55:22.345Z",
   "subscribers": 28817,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:35:19.999Z",
   "subscribers": 28919,
   "source": 4
  },
  {
   "ts": "2026-08-22T04:26:52.001Z",
   "subscribers": 28189,
   "source": 4
  },
  {
   "ts": "2026-08-23T16:04:23.177Z",
   "subscribers": 28840,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:07:52.883Z",
   "subscribers": 28302,
   "source": 4
  },
  {
   "ts": "2026-08-27T02:37:32.267Z",
   "subscribers": 28856,
   "source": 4
  },
  {
   "ts": "2026-08-28T05:34:24.336Z",
   "subscribers": 28796,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:43:46.945Z",
   "subscribers": 28698,
   "source": 4
  },
  {
   "ts": "2026-08-30T09:43:41.148Z",
   "subscribers": 28649,
   "source": 4
  }
 ]
}