{
 "meta": {
  "dataset": "Subscriber history — @phd_students",
  "channel": "https://tgregister.com/channel/phd_students",
  "retrieved_at": "2026-09-10T02:32:28.106Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T18:21:28.734Z",
   "to": "2026-09-08T21:35:34.564Z"
  },
  "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": "2026-08-07T18:21:28.734Z",
   "subscribers": 37357,
   "source": 0
  },
  {
   "ts": "2026-08-08T11:33:22.210Z",
   "subscribers": 37421,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:36:31.105Z",
   "subscribers": 37531,
   "source": 4
  },
  {
   "ts": "2026-08-10T09:51:23.118Z",
   "subscribers": 37645,
   "source": 4
  },
  {
   "ts": "2026-08-11T12:47:25.257Z",
   "subscribers": 37718,
   "source": 4
  },
  {
   "ts": "2026-08-12T10:15:19.886Z",
   "subscribers": 37797,
   "source": 4
  },
  {
   "ts": "2026-08-13T02:52:27.421Z",
   "subscribers": 37797,
   "source": 1
  },
  {
   "ts": "2026-08-13T08:55:51.030Z",
   "subscribers": 37851,
   "source": 4
  },
  {
   "ts": "2026-08-14T16:34:15.500Z",
   "subscribers": 37949,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:06:13.517Z",
   "subscribers": 38155,
   "source": 4
  },
  {
   "ts": "2026-08-17T16:06:06.982Z",
   "subscribers": 38241,
   "source": 4
  },
  {
   "ts": "2026-08-18T17:25:51.958Z",
   "subscribers": 38294,
   "source": 4
  },
  {
   "ts": "2026-08-19T14:51:53.780Z",
   "subscribers": 38333,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:17:24.862Z",
   "subscribers": 38381,
   "source": 4
  },
  {
   "ts": "2026-08-21T14:35:50.970Z",
   "subscribers": 38412,
   "source": 4
  },
  {
   "ts": "2026-08-23T03:08:07.137Z",
   "subscribers": 38544,
   "source": 4
  },
  {
   "ts": "2026-08-24T16:28:52.795Z",
   "subscribers": 38673,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:07:43.945Z",
   "subscribers": 38770,
   "source": 4
  },
  {
   "ts": "2026-08-26T15:26:29.759Z",
   "subscribers": 38834,
   "source": 4
  },
  {
   "ts": "2026-08-27T15:37:14.515Z",
   "subscribers": 38891,
   "source": 4
  },
  {
   "ts": "2026-08-28T16:16:21.622Z",
   "subscribers": 38991,
   "source": 4
  },
  {
   "ts": "2026-08-29T14:48:29.900Z",
   "subscribers": 39027,
   "source": 4
  },
  {
   "ts": "2026-08-30T12:57:10.659Z",
   "subscribers": 39069,
   "source": 4
  },
  {
   "ts": "2026-08-31T10:37:15.285Z",
   "subscribers": 39127,
   "source": 4
  },
  {
   "ts": "2026-09-01T10:33:31.613Z",
   "subscribers": 39183,
   "source": 4
  },
  {
   "ts": "2026-09-02T07:24:42.345Z",
   "subscribers": 39212,
   "source": 4
  },
  {
   "ts": "2026-09-03T14:15:22.894Z",
   "subscribers": 39279,
   "source": 4
  },
  {
   "ts": "2026-09-05T14:39:13.135Z",
   "subscribers": 39423,
   "source": 4
  },
  {
   "ts": "2026-09-08T21:35:34.564Z",
   "subscribers": 39865,
   "source": 4
  }
 ]
}