{
 "meta": {
  "dataset": "Subscriber history — @umschooltech",
  "channel": "https://tgregister.com/channel/umschooltech",
  "retrieved_at": "2026-09-09T04:57:26.812Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T17:59:23.590Z",
   "to": "2026-09-08T07:02:11.884Z"
  },
  "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": "2026-08-07T17:59:23.590Z",
   "subscribers": 14312,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:00:54.419Z",
   "subscribers": 14312,
   "source": 3
  },
  {
   "ts": "2026-08-07T23:08:14.501Z",
   "subscribers": 14441,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:00:48.020Z",
   "subscribers": 14543,
   "source": 4
  },
  {
   "ts": "2026-08-09T20:12:26.723Z",
   "subscribers": 14580,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:36:18.014Z",
   "subscribers": 14714,
   "source": 4
  },
  {
   "ts": "2026-08-11T17:52:33.542Z",
   "subscribers": 14863,
   "source": 4
  },
  {
   "ts": "2026-08-12T18:24:12.596Z",
   "subscribers": 14905,
   "source": 4
  },
  {
   "ts": "2026-08-13T15:26:52.698Z",
   "subscribers": 14995,
   "source": 4
  },
  {
   "ts": "2026-08-15T01:16:00.107Z",
   "subscribers": 14989,
   "source": 4
  },
  {
   "ts": "2026-08-16T17:29:07.864Z",
   "subscribers": 14897,
   "source": 4
  },
  {
   "ts": "2026-08-17T19:59:11.425Z",
   "subscribers": 14793,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:17:29.640Z",
   "subscribers": 14752,
   "source": 4
  },
  {
   "ts": "2026-08-19T23:06:04.254Z",
   "subscribers": 14689,
   "source": 4
  },
  {
   "ts": "2026-08-20T21:57:27.082Z",
   "subscribers": 14625,
   "source": 4
  },
  {
   "ts": "2026-08-22T09:45:58.250Z",
   "subscribers": 14543,
   "source": 4
  },
  {
   "ts": "2026-08-24T03:55:36.531Z",
   "subscribers": 14441,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:43:50.449Z",
   "subscribers": 14390,
   "source": 4
  },
  {
   "ts": "2026-08-26T06:04:05.951Z",
   "subscribers": 14326,
   "source": 4
  },
  {
   "ts": "2026-08-27T05:22:55.154Z",
   "subscribers": 14264,
   "source": 4
  },
  {
   "ts": "2026-08-28T02:54:19.476Z",
   "subscribers": 14204,
   "source": 4
  },
  {
   "ts": "2026-08-29T00:06:44.071Z",
   "subscribers": 14165,
   "source": 4
  },
  {
   "ts": "2026-08-29T22:27:10.233Z",
   "subscribers": 14101,
   "source": 4
  },
  {
   "ts": "2026-08-30T21:17:17.828Z",
   "subscribers": 14041,
   "source": 4
  },
  {
   "ts": "2026-08-31T20:27:18.414Z",
   "subscribers": 14020,
   "source": 4
  },
  {
   "ts": "2026-09-01T23:16:11.233Z",
   "subscribers": 13931,
   "source": 4
  },
  {
   "ts": "2026-09-03T06:16:05.922Z",
   "subscribers": 13860,
   "source": 4
  },
  {
   "ts": "2026-09-05T03:20:39.495Z",
   "subscribers": 13736,
   "source": 4
  },
  {
   "ts": "2026-09-08T07:02:11.884Z",
   "subscribers": 13566,
   "source": 4
  }
 ]
}