{
 "meta": {
  "dataset": "Subscriber history — @EngineersDiary",
  "channel": "https://tgregister.com/channel/EngineersDiary",
  "retrieved_at": "2026-09-10T09:57:56.667Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T21:03:14.596Z",
   "to": "2026-09-10T09:57:49.740Z"
  },
  "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": "2026-08-07T21:03:14.596Z",
   "subscribers": 10505,
   "source": 3
  },
  {
   "ts": "2026-08-08T15:41:12.183Z",
   "subscribers": 10504,
   "source": 4
  },
  {
   "ts": "2026-08-09T19:05:32.612Z",
   "subscribers": 10506,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:28:49.190Z",
   "subscribers": 10500,
   "source": 4
  },
  {
   "ts": "2026-08-11T16:16:17.857Z",
   "subscribers": 10495,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:33:06.850Z",
   "subscribers": 10490,
   "source": 4
  },
  {
   "ts": "2026-08-14T01:14:22.947Z",
   "subscribers": 10485,
   "source": 4
  },
  {
   "ts": "2026-08-15T16:23:39.374Z",
   "subscribers": 10476,
   "source": 4
  },
  {
   "ts": "2026-08-16T22:22:54.916Z",
   "subscribers": 10470,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:37:52.054Z",
   "subscribers": 10467,
   "source": 4
  },
  {
   "ts": "2026-08-18T23:07:21.862Z",
   "subscribers": 10460,
   "source": 4
  },
  {
   "ts": "2026-08-20T00:44:28.135Z",
   "subscribers": 10451,
   "source": 4
  },
  {
   "ts": "2026-08-21T00:36:25.210Z",
   "subscribers": 10452,
   "source": 4
  },
  {
   "ts": "2026-08-22T07:29:02.971Z",
   "subscribers": 10447,
   "source": 4
  },
  {
   "ts": "2026-08-23T22:25:14.244Z",
   "subscribers": 10434,
   "source": 4
  },
  {
   "ts": "2026-08-25T03:36:40.111Z",
   "subscribers": 10426,
   "source": 4
  },
  {
   "ts": "2026-08-26T05:52:32.495Z",
   "subscribers": 10412,
   "source": 4
  },
  {
   "ts": "2026-08-27T05:58:57.712Z",
   "subscribers": 10411,
   "source": 4
  },
  {
   "ts": "2026-08-28T05:48:56.584Z",
   "subscribers": 10406,
   "source": 4
  },
  {
   "ts": "2026-08-29T03:26:28.903Z",
   "subscribers": 10405,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:34:29.606Z",
   "subscribers": 10402,
   "source": 4
  },
  {
   "ts": "2026-08-31T03:06:59.491Z",
   "subscribers": 10399,
   "source": 4
  },
  {
   "ts": "2026-09-01T02:14:16.764Z",
   "subscribers": 10391,
   "source": 4
  },
  {
   "ts": "2026-09-02T02:12:42.084Z",
   "subscribers": 10385,
   "source": 4
  },
  {
   "ts": "2026-09-03T00:47:33.987Z",
   "subscribers": 10377,
   "source": 4
  },
  {
   "ts": "2026-09-04T16:21:25.430Z",
   "subscribers": 10372,
   "source": 4
  },
  {
   "ts": "2026-09-07T06:17:17.273Z",
   "subscribers": 10360,
   "source": 4
  },
  {
   "ts": "2026-09-10T09:57:49.740Z",
   "subscribers": 10346,
   "source": 4
  }
 ]
}
