{
 "meta": {
  "dataset": "Subscriber history — @Civil_Engineering_Gate",
  "channel": "https://tgregister.com/channel/Civil_Engineering_Gate",
  "retrieved_at": "2026-09-06T15:59:23.028Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 26,
  "window": {
   "from": "2026-08-07T11:16:29.611Z",
   "to": "2026-09-04T08:20:52.826Z"
  },
  "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": "2026-08-07T11:16:29.611Z",
   "subscribers": 16623,
   "source": 0
  },
  {
   "ts": "2026-08-08T11:38:14.945Z",
   "subscribers": 16616,
   "source": 4
  },
  {
   "ts": "2026-08-09T13:11:44.034Z",
   "subscribers": 16609,
   "source": 4
  },
  {
   "ts": "2026-08-10T14:37:14.403Z",
   "subscribers": 16606,
   "source": 4
  },
  {
   "ts": "2026-08-11T13:38:05.213Z",
   "subscribers": 16604,
   "source": 4
  },
  {
   "ts": "2026-08-12T14:38:02.291Z",
   "subscribers": 16596,
   "source": 4
  },
  {
   "ts": "2026-08-13T18:28:29.613Z",
   "subscribers": 16582,
   "source": 4
  },
  {
   "ts": "2026-08-15T05:37:35.952Z",
   "subscribers": 16576,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:46:45.168Z",
   "subscribers": 16569,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:36:57.892Z",
   "subscribers": 16558,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:43:40.132Z",
   "subscribers": 16558,
   "source": 1
  },
  {
   "ts": "2026-08-18T16:28:57.829Z",
   "subscribers": 16550,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:02:50.092Z",
   "subscribers": 16545,
   "source": 4
  },
  {
   "ts": "2026-08-21T16:24:50.648Z",
   "subscribers": 16551,
   "source": 4
  },
  {
   "ts": "2026-08-23T03:22:33.208Z",
   "subscribers": 16548,
   "source": 4
  },
  {
   "ts": "2026-08-24T20:36:30.965Z",
   "subscribers": 16544,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:57:56.947Z",
   "subscribers": 16546,
   "source": 4
  },
  {
   "ts": "2026-08-26T17:26:26.271Z",
   "subscribers": 16541,
   "source": 4
  },
  {
   "ts": "2026-08-27T18:47:44.645Z",
   "subscribers": 16545,
   "source": 4
  },
  {
   "ts": "2026-08-28T22:08:06.413Z",
   "subscribers": 16538,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:56:12.110Z",
   "subscribers": 16532,
   "source": 4
  },
  {
   "ts": "2026-08-30T21:48:40.462Z",
   "subscribers": 16529,
   "source": 4
  },
  {
   "ts": "2026-08-31T20:56:32.224Z",
   "subscribers": 16526,
   "source": 4
  },
  {
   "ts": "2026-09-01T20:05:45.889Z",
   "subscribers": 16519,
   "source": 4
  },
  {
   "ts": "2026-09-02T23:57:35.819Z",
   "subscribers": 16516,
   "source": 4
  },
  {
   "ts": "2026-09-04T08:20:52.826Z",
   "subscribers": 16518,
   "source": 4
  }
 ]
}