{
 "meta": {
  "dataset": "Subscriber history — @ds_problems_lib",
  "channel": "https://tgregister.com/channel/ds_problems_lib",
  "retrieved_at": "2026-09-12T01:32:02.097Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 14,
  "window": {
   "from": "2026-08-06T04:01:41.493Z",
   "to": "2026-09-11T23:41:35.583Z"
  },
  "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": "2026-08-06T04:01:41.493Z",
   "subscribers": 3985,
   "source": 0
  },
  {
   "ts": "2026-08-06T04:20:02.504Z",
   "subscribers": 3985,
   "source": 3
  },
  {
   "ts": "2026-08-07T01:14:27.319Z",
   "subscribers": 3990,
   "source": 4
  },
  {
   "ts": "2026-08-10T01:51:30.849Z",
   "subscribers": 3991,
   "source": 4
  },
  {
   "ts": "2026-08-12T15:26:07.378Z",
   "subscribers": 3992,
   "source": 4
  },
  {
   "ts": "2026-08-16T02:18:12.681Z",
   "subscribers": 3997,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:59:02.974Z",
   "subscribers": 3998,
   "source": 4
  },
  {
   "ts": "2026-08-21T22:15:04.482Z",
   "subscribers": 3997,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:37:10.017Z",
   "subscribers": 3993,
   "source": 4
  },
  {
   "ts": "2026-08-28T07:55:02.293Z",
   "subscribers": 3990,
   "source": 4
  },
  {
   "ts": "2026-08-30T22:39:04.077Z",
   "subscribers": 3986,
   "source": 4
  },
  {
   "ts": "2026-09-02T21:46:05.260Z",
   "subscribers": 3983,
   "source": 4
  },
  {
   "ts": "2026-09-07T14:39:10.721Z",
   "subscribers": 3979,
   "source": 4
  },
  {
   "ts": "2026-09-11T23:41:35.583Z",
   "subscribers": 3984,
   "source": 4
  }
 ]
}