{
 "meta": {
  "dataset": "Subscriber history — @mathsbio_api_Team",
  "channel": "https://tgregister.com/channel/mathsbio_api_Team",
  "retrieved_at": "2026-08-29T13:15:51.307Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 22,
  "window": {
   "from": "2026-08-07T00:14:23.591Z",
   "to": "2026-08-29T00:44:02.955Z"
  },
  "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": "2026-08-07T00:14:23.591Z",
   "subscribers": 13729,
   "source": 0
  },
  {
   "ts": "2026-08-07T15:30:31.412Z",
   "subscribers": 13731,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:22:51.226Z",
   "subscribers": 13736,
   "source": 4
  },
  {
   "ts": "2026-08-09T11:32:17.105Z",
   "subscribers": 13739,
   "source": 4
  },
  {
   "ts": "2026-08-10T08:11:54.635Z",
   "subscribers": 13737,
   "source": 4
  },
  {
   "ts": "2026-08-11T06:06:58.122Z",
   "subscribers": 13754,
   "source": 4
  },
  {
   "ts": "2026-08-12T08:24:10.003Z",
   "subscribers": 13765,
   "source": 4
  },
  {
   "ts": "2026-08-13T10:26:23.078Z",
   "subscribers": 13776,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:07:09.687Z",
   "subscribers": 13803,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:07:40.828Z",
   "subscribers": 13804,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:17:11.604Z",
   "subscribers": 13797,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:57:57.458Z",
   "subscribers": 13809,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:17:46.977Z",
   "subscribers": 13816,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:21:44.142Z",
   "subscribers": 13816,
   "source": 1
  },
  {
   "ts": "2026-08-20T18:03:26.600Z",
   "subscribers": 13817,
   "source": 4
  },
  {
   "ts": "2026-08-22T05:15:17.716Z",
   "subscribers": 13785,
   "source": 4
  },
  {
   "ts": "2026-08-24T00:16:51.554Z",
   "subscribers": 13747,
   "source": 4
  },
  {
   "ts": "2026-08-25T03:46:55.312Z",
   "subscribers": 13745,
   "source": 4
  },
  {
   "ts": "2026-08-26T00:23:19.365Z",
   "subscribers": 13732,
   "source": 4
  },
  {
   "ts": "2026-08-27T02:14:51.771Z",
   "subscribers": 13708,
   "source": 4
  },
  {
   "ts": "2026-08-28T03:48:40.150Z",
   "subscribers": 13696,
   "source": 4
  },
  {
   "ts": "2026-08-29T00:44:02.955Z",
   "subscribers": 13687,
   "source": 4
  }
 ]
}