{
 "meta": {
  "dataset": "Subscriber history — @Historylibrary",
  "channel": "https://tgregister.com/channel/Historylibrary",
  "retrieved_at": "2026-09-07T18:14:58.109Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-06T04:12:59.298Z",
   "to": "2026-09-05T13:36:55.772Z"
  },
  "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": "2026-08-06T04:12:59.298Z",
   "subscribers": 16906,
   "source": 0
  },
  {
   "ts": "2026-08-06T16:01:35.828Z",
   "subscribers": 16909,
   "source": 4
  },
  {
   "ts": "2026-08-07T17:11:27.544Z",
   "subscribers": 16913,
   "source": 4
  },
  {
   "ts": "2026-08-08T20:13:51.680Z",
   "subscribers": 16923,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:11:40.154Z",
   "subscribers": 16949,
   "source": 4
  },
  {
   "ts": "2026-08-10T20:11:11.144Z",
   "subscribers": 16962,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:52:04.694Z",
   "subscribers": 16974,
   "source": 4
  },
  {
   "ts": "2026-08-12T19:36:44.251Z",
   "subscribers": 16982,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:17:09.961Z",
   "subscribers": 16987,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:57:43.021Z",
   "subscribers": 16993,
   "source": 4
  },
  {
   "ts": "2026-08-16T22:03:55.703Z",
   "subscribers": 17004,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:03:19.956Z",
   "subscribers": 17004,
   "source": 1
  },
  {
   "ts": "2026-08-17T22:58:21.122Z",
   "subscribers": 17022,
   "source": 4
  },
  {
   "ts": "2026-08-18T23:17:13.694Z",
   "subscribers": 17030,
   "source": 4
  },
  {
   "ts": "2026-08-20T01:17:36.837Z",
   "subscribers": 17040,
   "source": 4
  },
  {
   "ts": "2026-08-21T03:05:28.664Z",
   "subscribers": 17054,
   "source": 4
  },
  {
   "ts": "2026-08-22T11:04:51.624Z",
   "subscribers": 17055,
   "source": 4
  },
  {
   "ts": "2026-08-24T03:29:22.058Z",
   "subscribers": 17080,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:27:19.211Z",
   "subscribers": 17096,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:24:23.108Z",
   "subscribers": 17113,
   "source": 4
  },
  {
   "ts": "2026-08-27T03:38:32.146Z",
   "subscribers": 17115,
   "source": 4
  },
  {
   "ts": "2026-08-28T03:34:51.334Z",
   "subscribers": 17124,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:02:56.218Z",
   "subscribers": 17133,
   "source": 4
  },
  {
   "ts": "2026-08-30T08:47:16.008Z",
   "subscribers": 17134,
   "source": 4
  },
  {
   "ts": "2026-08-31T10:36:14.470Z",
   "subscribers": 17147,
   "source": 4
  },
  {
   "ts": "2026-09-02T06:04:58.470Z",
   "subscribers": 17153,
   "source": 4
  },
  {
   "ts": "2026-09-03T12:00:31.917Z",
   "subscribers": 17170,
   "source": 4
  },
  {
   "ts": "2026-09-05T13:36:55.772Z",
   "subscribers": 17192,
   "source": 4
  }
 ]
}
