{
 "meta": {
  "dataset": "Subscriber history — @basic_sciences_virtual_society",
  "channel": "https://tgregister.com/channel/basic_sciences_virtual_society",
  "retrieved_at": "2026-09-16T08:34:58.145Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 16,
  "window": {
   "from": "2026-08-06T02:08:05.880Z",
   "to": "2026-09-15T09:57:58.899Z"
  },
  "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": "2026-08-06T02:08:05.880Z",
   "subscribers": 9819,
   "source": 0
  },
  {
   "ts": "2026-08-06T02:49:39.165Z",
   "subscribers": 9819,
   "source": 3
  },
  {
   "ts": "2026-08-06T07:50:25.429Z",
   "subscribers": 9820,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:03:46.257Z",
   "subscribers": 9825,
   "source": 4
  },
  {
   "ts": "2026-08-11T15:25:04.503Z",
   "subscribers": 9839,
   "source": 4
  },
  {
   "ts": "2026-08-15T02:26:19.662Z",
   "subscribers": 9852,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:15:42.017Z",
   "subscribers": 9908,
   "source": 4
  },
  {
   "ts": "2026-08-21T07:05:48.069Z",
   "subscribers": 9928,
   "source": 4
  },
  {
   "ts": "2026-08-24T23:15:22.768Z",
   "subscribers": 9937,
   "source": 4
  },
  {
   "ts": "2026-08-28T04:34:58.574Z",
   "subscribers": 9949,
   "source": 4
  },
  {
   "ts": "2026-08-31T11:55:42.608Z",
   "subscribers": 9981,
   "source": 4
  },
  {
   "ts": "2026-09-04T09:57:07.621Z",
   "subscribers": 9998,
   "source": 4
  },
  {
   "ts": "2026-09-09T22:16:38.422Z",
   "subscribers": 10006,
   "source": 4
  },
  {
   "ts": "2026-09-12T04:42:10.941Z",
   "subscribers": 10031,
   "source": 4
  },
  {
   "ts": "2026-09-13T19:41:22.731Z",
   "subscribers": 10030,
   "source": 4
  },
  {
   "ts": "2026-09-15T09:57:58.899Z",
   "subscribers": 10040,
   "source": 4
  }
 ]
}