{
 "meta": {
  "dataset": "Subscriber history — @phdstudentgroup",
  "channel": "https://tgregister.com/channel/phdstudentgroup",
  "retrieved_at": "2026-09-09T22:12:10.793Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 25,
  "window": {
   "from": "2026-08-09T21:16:25.315Z",
   "to": "2026-09-07T19:40:00.342Z"
  },
  "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": "2026-08-09T21:16:25.315Z",
   "subscribers": 12637,
   "source": 0
  },
  {
   "ts": "2026-08-10T02:02:01.535Z",
   "subscribers": 12643,
   "source": 4
  },
  {
   "ts": "2026-08-11T01:11:29.769Z",
   "subscribers": 12654,
   "source": 4
  },
  {
   "ts": "2026-08-12T03:42:55.515Z",
   "subscribers": 12646,
   "source": 4
  },
  {
   "ts": "2026-08-13T04:26:36.955Z",
   "subscribers": 12652,
   "source": 4
  },
  {
   "ts": "2026-08-14T17:07:18.244Z",
   "subscribers": 12674,
   "source": 4
  },
  {
   "ts": "2026-08-16T08:58:55.828Z",
   "subscribers": 12671,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:33:33.854Z",
   "subscribers": 12669,
   "source": 4
  },
  {
   "ts": "2026-08-19T16:34:29.801Z",
   "subscribers": 12665,
   "source": 4
  },
  {
   "ts": "2026-08-20T15:42:34.003Z",
   "subscribers": 12709,
   "source": 4
  },
  {
   "ts": "2026-08-20T16:43:59.164Z",
   "subscribers": 12709,
   "source": 1
  },
  {
   "ts": "2026-08-21T20:59:19.210Z",
   "subscribers": 12727,
   "source": 4
  },
  {
   "ts": "2026-08-23T11:35:18.345Z",
   "subscribers": 12731,
   "source": 4
  },
  {
   "ts": "2026-08-25T00:28:11.304Z",
   "subscribers": 12733,
   "source": 4
  },
  {
   "ts": "2026-08-25T23:43:58.385Z",
   "subscribers": 12748,
   "source": 4
  },
  {
   "ts": "2026-08-26T21:44:34.321Z",
   "subscribers": 12749,
   "source": 4
  },
  {
   "ts": "2026-08-27T22:12:51.991Z",
   "subscribers": 12757,
   "source": 4
  },
  {
   "ts": "2026-08-28T23:57:34.525Z",
   "subscribers": 12753,
   "source": 4
  },
  {
   "ts": "2026-08-29T21:04:36.407Z",
   "subscribers": 12752,
   "source": 4
  },
  {
   "ts": "2026-08-30T20:25:33.899Z",
   "subscribers": 12747,
   "source": 4
  },
  {
   "ts": "2026-08-31T23:18:12.053Z",
   "subscribers": 12758,
   "source": 4
  },
  {
   "ts": "2026-09-01T23:24:53.628Z",
   "subscribers": 12765,
   "source": 4
  },
  {
   "ts": "2026-09-03T01:33:11.566Z",
   "subscribers": 12777,
   "source": 4
  },
  {
   "ts": "2026-09-04T20:20:41.143Z",
   "subscribers": 12799,
   "source": 4
  },
  {
   "ts": "2026-09-07T19:40:00.342Z",
   "subscribers": 12814,
   "source": 4
  }
 ]
}