{
 "meta": {
  "dataset": "Subscriber history — @Civil_Engineering_Master",
  "channel": "https://tgregister.com/channel/Civil_Engineering_Master",
  "retrieved_at": "2026-09-06T22:36:26.142Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-07T19:02:45.964Z",
   "to": "2026-09-05T14:59:38.262Z"
  },
  "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": "2026-08-07T19:02:45.964Z",
   "subscribers": 12098,
   "source": 0
  },
  {
   "ts": "2026-08-08T18:53:50.563Z",
   "subscribers": 12092,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:50:59.594Z",
   "subscribers": 12091,
   "source": 4
  },
  {
   "ts": "2026-08-10T23:05:29.518Z",
   "subscribers": 12087,
   "source": 4
  },
  {
   "ts": "2026-08-11T20:22:50.640Z",
   "subscribers": 12092,
   "source": 4
  },
  {
   "ts": "2026-08-12T23:44:32.902Z",
   "subscribers": 12091,
   "source": 4
  },
  {
   "ts": "2026-08-14T02:16:05.149Z",
   "subscribers": 12101,
   "source": 4
  },
  {
   "ts": "2026-08-15T09:55:24.285Z",
   "subscribers": 12100,
   "source": 4
  },
  {
   "ts": "2026-08-16T21:17:08.040Z",
   "subscribers": 12109,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:55:52.422Z",
   "subscribers": 12114,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:56:18.157Z",
   "subscribers": 12136,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:37:51.178Z",
   "subscribers": 12163,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:56:02.893Z",
   "subscribers": 12164,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:44:24.979Z",
   "subscribers": 12164,
   "source": 1
  },
  {
   "ts": "2026-08-21T23:48:54.433Z",
   "subscribers": 12171,
   "source": 4
  },
  {
   "ts": "2026-08-23T17:47:44.472Z",
   "subscribers": 12213,
   "source": 4
  },
  {
   "ts": "2026-08-25T02:36:54.394Z",
   "subscribers": 12219,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:42:35.503Z",
   "subscribers": 12244,
   "source": 4
  },
  {
   "ts": "2026-08-27T06:12:24.570Z",
   "subscribers": 12245,
   "source": 4
  },
  {
   "ts": "2026-08-28T08:43:34.089Z",
   "subscribers": 12249,
   "source": 4
  },
  {
   "ts": "2026-08-29T11:13:00.335Z",
   "subscribers": 12250,
   "source": 4
  },
  {
   "ts": "2026-08-30T09:08:31.595Z",
   "subscribers": 12256,
   "source": 4
  },
  {
   "ts": "2026-08-31T06:27:02.742Z",
   "subscribers": 12262,
   "source": 4
  },
  {
   "ts": "2026-09-01T05:45:57.625Z",
   "subscribers": 12296,
   "source": 4
  },
  {
   "ts": "2026-09-02T07:48:46.733Z",
   "subscribers": 12308,
   "source": 4
  },
  {
   "ts": "2026-09-03T16:20:07.066Z",
   "subscribers": 12358,
   "source": 4
  },
  {
   "ts": "2026-09-05T14:59:38.262Z",
   "subscribers": 12360,
   "source": 4
  }
 ]
}