{
 "meta": {
  "dataset": "Subscriber history — @tutorial_design",
  "channel": "https://tgregister.com/channel/tutorial_design",
  "retrieved_at": "2026-09-01T17:23:53.193Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 24,
  "window": {
   "from": "2026-08-07T14:39:54.054Z",
   "to": "2026-08-31T21:45:41.934Z"
  },
  "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": "2026-08-07T14:39:54.054Z",
   "subscribers": 13023,
   "source": 0
  },
  {
   "ts": "2026-08-07T14:45:47.169Z",
   "subscribers": 13023,
   "source": 3
  },
  {
   "ts": "2026-08-08T00:00:42.381Z",
   "subscribers": 13020,
   "source": 4
  },
  {
   "ts": "2026-08-09T01:31:26.744Z",
   "subscribers": 13018,
   "source": 4
  },
  {
   "ts": "2026-08-10T02:11:33.302Z",
   "subscribers": 13027,
   "source": 4
  },
  {
   "ts": "2026-08-11T00:21:38.166Z",
   "subscribers": 13026,
   "source": 4
  },
  {
   "ts": "2026-08-11T21:28:48.496Z",
   "subscribers": 13029,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:55:43.654Z",
   "subscribers": 13019,
   "source": 4
  },
  {
   "ts": "2026-08-14T03:05:17.057Z",
   "subscribers": 13020,
   "source": 4
  },
  {
   "ts": "2026-08-15T14:53:51.784Z",
   "subscribers": 13017,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:54:02.602Z",
   "subscribers": 13013,
   "source": 4
  },
  {
   "ts": "2026-08-18T08:12:30.279Z",
   "subscribers": 13011,
   "source": 4
  },
  {
   "ts": "2026-08-19T06:52:48.194Z",
   "subscribers": 13003,
   "source": 4
  },
  {
   "ts": "2026-08-20T03:38:28.879Z",
   "subscribers": 12998,
   "source": 4
  },
  {
   "ts": "2026-08-21T04:33:55.209Z",
   "subscribers": 13001,
   "source": 4
  },
  {
   "ts": "2026-08-22T13:28:19.635Z",
   "subscribers": 12998,
   "source": 4
  },
  {
   "ts": "2026-08-24T04:28:03.006Z",
   "subscribers": 13000,
   "source": 4
  },
  {
   "ts": "2026-08-25T05:13:11.599Z",
   "subscribers": 13004,
   "source": 4
  },
  {
   "ts": "2026-08-26T03:24:32.111Z",
   "subscribers": 12999,
   "source": 4
  },
  {
   "ts": "2026-08-27T02:24:07.841Z",
   "subscribers": 12992,
   "source": 4
  },
  {
   "ts": "2026-08-28T00:38:19.790Z",
   "subscribers": 12989,
   "source": 4
  },
  {
   "ts": "2026-08-29T00:04:35.326Z",
   "subscribers": 12984,
   "source": 4
  },
  {
   "ts": "2026-08-29T21:13:39.982Z",
   "subscribers": 12979,
   "source": 4
  },
  {
   "ts": "2026-08-31T21:45:41.934Z",
   "subscribers": 12974,
   "source": 4
  }
 ]
}
