{
 "meta": {
  "dataset": "Subscriber history — @upsc1",
  "channel": "https://tgregister.com/channel/upsc1",
  "retrieved_at": "2026-09-17T23:01:32.280Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 30,
  "window": {
   "from": "2026-08-07T11:07:47.810Z",
   "to": "2026-09-17T22:21:25.023Z"
  },
  "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": "2026-08-07T11:07:47.810Z",
   "subscribers": 12001,
   "source": 0
  },
  {
   "ts": "2026-08-07T11:15:35.519Z",
   "subscribers": 12001,
   "source": 3
  },
  {
   "ts": "2026-08-08T09:33:40.935Z",
   "subscribers": 12007,
   "source": 4
  },
  {
   "ts": "2026-08-09T07:12:59.502Z",
   "subscribers": 12014,
   "source": 4
  },
  {
   "ts": "2026-08-10T05:53:58.482Z",
   "subscribers": 12012,
   "source": 4
  },
  {
   "ts": "2026-08-11T05:34:28.954Z",
   "subscribers": 12016,
   "source": 4
  },
  {
   "ts": "2026-08-12T02:35:01.683Z",
   "subscribers": 12020,
   "source": 4
  },
  {
   "ts": "2026-08-12T23:55:34.518Z",
   "subscribers": 12037,
   "source": 4
  },
  {
   "ts": "2026-08-15T19:53:23.560Z",
   "subscribers": 12062,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:46:01.353Z",
   "subscribers": 12061,
   "source": 4
  },
  {
   "ts": "2026-08-18T09:03:17.842Z",
   "subscribers": 12074,
   "source": 4
  },
  {
   "ts": "2026-08-19T08:58:44.603Z",
   "subscribers": 12076,
   "source": 4
  },
  {
   "ts": "2026-08-20T12:12:38.455Z",
   "subscribers": 12096,
   "source": 4
  },
  {
   "ts": "2026-08-21T16:16:17.171Z",
   "subscribers": 12107,
   "source": 4
  },
  {
   "ts": "2026-08-23T07:42:25.578Z",
   "subscribers": 12123,
   "source": 4
  },
  {
   "ts": "2026-08-24T19:54:45.012Z",
   "subscribers": 12148,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:35:08.295Z",
   "subscribers": 12154,
   "source": 4
  },
  {
   "ts": "2026-08-26T16:34:08.781Z",
   "subscribers": 12162,
   "source": 4
  },
  {
   "ts": "2026-08-27T16:28:33.197Z",
   "subscribers": 12176,
   "source": 4
  },
  {
   "ts": "2026-08-28T14:15:24.024Z",
   "subscribers": 12185,
   "source": 4
  },
  {
   "ts": "2026-08-30T13:12:41.154Z",
   "subscribers": 12184,
   "source": 4
  },
  {
   "ts": "2026-08-31T16:03:37.923Z",
   "subscribers": 12185,
   "source": 4
  },
  {
   "ts": "2026-09-02T17:19:42.972Z",
   "subscribers": 12203,
   "source": 4
  },
  {
   "ts": "2026-09-04T02:40:38.173Z",
   "subscribers": 12221,
   "source": 4
  },
  {
   "ts": "2026-09-06T12:40:48.829Z",
   "subscribers": 12238,
   "source": 4
  },
  {
   "ts": "2026-09-09T17:20:43.807Z",
   "subscribers": 12269,
   "source": 4
  },
  {
   "ts": "2026-09-12T03:41:47.138Z",
   "subscribers": 12272,
   "source": 4
  },
  {
   "ts": "2026-09-13T23:58:09.947Z",
   "subscribers": 12278,
   "source": 4
  },
  {
   "ts": "2026-09-15T19:37:55.923Z",
   "subscribers": 12299,
   "source": 4
  },
  {
   "ts": "2026-09-17T22:21:25.023Z",
   "subscribers": 12317,
   "source": 4
  }
 ]
}