{
 "meta": {
  "dataset": "Subscriber history — @libraryspa",
  "channel": "https://tgregister.com/channel/libraryspa",
  "retrieved_at": "2026-09-11T12:10:48.419Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T12:46:09.310Z",
   "to": "2026-09-08T18:37:38.164Z"
  },
  "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": "2026-08-07T12:46:09.310Z",
   "subscribers": 18764,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:12:37.383Z",
   "subscribers": 18753,
   "source": 4
  },
  {
   "ts": "2026-08-08T17:39:05.420Z",
   "subscribers": 18684,
   "source": 4
  },
  {
   "ts": "2026-08-09T15:13:53.504Z",
   "subscribers": 18637,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:11:22.314Z",
   "subscribers": 18589,
   "source": 4
  },
  {
   "ts": "2026-08-11T15:04:16.065Z",
   "subscribers": 18529,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:24:44.950Z",
   "subscribers": 18507,
   "source": 4
  },
  {
   "ts": "2026-08-13T11:28:41.491Z",
   "subscribers": 19470,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:23:28.522Z",
   "subscribers": 19443,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:08:54.208Z",
   "subscribers": 19357,
   "source": 4
  },
  {
   "ts": "2026-08-16T20:19:00.632Z",
   "subscribers": 19357,
   "source": 1
  },
  {
   "ts": "2026-08-17T18:05:32.462Z",
   "subscribers": 19300,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:28:13.420Z",
   "subscribers": 19243,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:46:13.024Z",
   "subscribers": 19215,
   "source": 4
  },
  {
   "ts": "2026-08-20T22:04:36.334Z",
   "subscribers": 19195,
   "source": 4
  },
  {
   "ts": "2026-08-22T09:45:07.606Z",
   "subscribers": 19115,
   "source": 4
  },
  {
   "ts": "2026-08-24T00:56:32.386Z",
   "subscribers": 19040,
   "source": 4
  },
  {
   "ts": "2026-08-25T05:27:30.665Z",
   "subscribers": 18989,
   "source": 4
  },
  {
   "ts": "2026-08-26T08:56:04.378Z",
   "subscribers": 18932,
   "source": 4
  },
  {
   "ts": "2026-08-27T10:44:07.222Z",
   "subscribers": 18899,
   "source": 4
  },
  {
   "ts": "2026-08-28T08:25:07.999Z",
   "subscribers": 18869,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:08:16.572Z",
   "subscribers": 18822,
   "source": 4
  },
  {
   "ts": "2026-08-30T09:36:13.074Z",
   "subscribers": 18739,
   "source": 4
  },
  {
   "ts": "2026-08-31T07:25:59.069Z",
   "subscribers": 18738,
   "source": 4
  },
  {
   "ts": "2026-09-01T04:27:48.419Z",
   "subscribers": 18722,
   "source": 4
  },
  {
   "ts": "2026-09-02T05:13:33.793Z",
   "subscribers": 18690,
   "source": 4
  },
  {
   "ts": "2026-09-03T09:47:01.901Z",
   "subscribers": 18640,
   "source": 4
  },
  {
   "ts": "2026-09-05T09:57:06.260Z",
   "subscribers": 18699,
   "source": 4
  },
  {
   "ts": "2026-09-08T18:37:38.164Z",
   "subscribers": 18646,
   "source": 4
  }
 ]
}