{
 "meta": {
  "dataset": "Subscriber history — @chemistry_api",
  "channel": "https://tgregister.com/channel/chemistry_api",
  "retrieved_at": "2026-09-10T04:05:16.166Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T08:50:12.516Z",
   "to": "2026-09-07T02:02:02.566Z"
  },
  "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": "2026-08-07T08:50:12.516Z",
   "subscribers": 12866,
   "source": 0
  },
  {
   "ts": "2026-08-08T14:05:29.827Z",
   "subscribers": 12860,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:13:10.243Z",
   "subscribers": 12849,
   "source": 4
  },
  {
   "ts": "2026-08-10T16:23:24.389Z",
   "subscribers": 12835,
   "source": 4
  },
  {
   "ts": "2026-08-11T13:12:26.437Z",
   "subscribers": 12824,
   "source": 4
  },
  {
   "ts": "2026-08-12T11:24:57.010Z",
   "subscribers": 12818,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:53:25.184Z",
   "subscribers": 12808,
   "source": 4
  },
  {
   "ts": "2026-08-14T19:47:58.477Z",
   "subscribers": 12791,
   "source": 4
  },
  {
   "ts": "2026-08-16T15:08:29.924Z",
   "subscribers": 12777,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:35:25.374Z",
   "subscribers": 12763,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:08:15.030Z",
   "subscribers": 12749,
   "source": 4
  },
  {
   "ts": "2026-08-19T22:53:03.274Z",
   "subscribers": 12737,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:37:31.956Z",
   "subscribers": 12737,
   "source": 1
  },
  {
   "ts": "2026-08-20T22:08:20.246Z",
   "subscribers": 12722,
   "source": 4
  },
  {
   "ts": "2026-08-22T09:47:52.168Z",
   "subscribers": 12631,
   "source": 4
  },
  {
   "ts": "2026-08-24T02:43:23.724Z",
   "subscribers": 12527,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:13:41.209Z",
   "subscribers": 12502,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:43:02.744Z",
   "subscribers": 12480,
   "source": 4
  },
  {
   "ts": "2026-08-27T02:04:16.164Z",
   "subscribers": 12460,
   "source": 4
  },
  {
   "ts": "2026-08-28T01:16:50.358Z",
   "subscribers": 12437,
   "source": 4
  },
  {
   "ts": "2026-08-29T02:08:30.666Z",
   "subscribers": 12416,
   "source": 4
  },
  {
   "ts": "2026-08-29T23:13:08.606Z",
   "subscribers": 12393,
   "source": 4
  },
  {
   "ts": "2026-08-31T02:04:39.405Z",
   "subscribers": 12378,
   "source": 4
  },
  {
   "ts": "2026-09-01T01:18:01.051Z",
   "subscribers": 12354,
   "source": 4
  },
  {
   "ts": "2026-09-02T02:07:17.635Z",
   "subscribers": 12332,
   "source": 4
  },
  {
   "ts": "2026-09-03T00:55:01.487Z",
   "subscribers": 12316,
   "source": 4
  },
  {
   "ts": "2026-09-04T11:54:54.653Z",
   "subscribers": 12300,
   "source": 4
  },
  {
   "ts": "2026-09-07T02:02:02.566Z",
   "subscribers": 12257,
   "source": 4
  }
 ]
}