{
 "meta": {
  "dataset": "Subscriber history — @OpenLibrary",
  "channel": "https://tgregister.com/channel/OpenLibrary",
  "retrieved_at": "2026-08-29T06:23:42.849Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 23,
  "window": {
   "from": "2026-08-06T13:37:53.048Z",
   "to": "2026-08-28T18:33:02.480Z"
  },
  "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": "2026-08-06T13:37:53.048Z",
   "subscribers": 40587,
   "source": 0
  },
  {
   "ts": "2026-08-06T13:45:15.972Z",
   "subscribers": 40587,
   "source": 3
  },
  {
   "ts": "2026-08-06T22:06:21.400Z",
   "subscribers": 40581,
   "source": 4
  },
  {
   "ts": "2026-08-07T21:14:17.736Z",
   "subscribers": 40568,
   "source": 4
  },
  {
   "ts": "2026-08-09T00:53:05.098Z",
   "subscribers": 40558,
   "source": 4
  },
  {
   "ts": "2026-08-09T23:34:39.609Z",
   "subscribers": 40540,
   "source": 4
  },
  {
   "ts": "2026-08-10T23:38:38.549Z",
   "subscribers": 40529,
   "source": 4
  },
  {
   "ts": "2026-08-11T22:22:34.253Z",
   "subscribers": 40520,
   "source": 4
  },
  {
   "ts": "2026-08-13T00:55:16.646Z",
   "subscribers": 40516,
   "source": 4
  },
  {
   "ts": "2026-08-14T04:17:44.260Z",
   "subscribers": 40513,
   "source": 4
  },
  {
   "ts": "2026-08-15T12:19:21.491Z",
   "subscribers": 40509,
   "source": 4
  },
  {
   "ts": "2026-08-16T20:07:08.302Z",
   "subscribers": 40494,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:58:54.377Z",
   "subscribers": 40495,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:15:50.482Z",
   "subscribers": 40486,
   "source": 4
  },
  {
   "ts": "2026-08-19T23:18:59.332Z",
   "subscribers": 40482,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:33:09.556Z",
   "subscribers": 40475,
   "source": 4
  },
  {
   "ts": "2026-08-22T00:22:53.192Z",
   "subscribers": 40451,
   "source": 4
  },
  {
   "ts": "2026-08-23T14:18:49.130Z",
   "subscribers": 40430,
   "source": 4
  },
  {
   "ts": "2026-08-25T00:07:47.533Z",
   "subscribers": 40404,
   "source": 4
  },
  {
   "ts": "2026-08-26T02:27:11.651Z",
   "subscribers": 40397,
   "source": 4
  },
  {
   "ts": "2026-08-27T00:13:13.548Z",
   "subscribers": 40393,
   "source": 4
  },
  {
   "ts": "2026-08-27T20:57:51.960Z",
   "subscribers": 40386,
   "source": 4
  },
  {
   "ts": "2026-08-28T18:33:02.480Z",
   "subscribers": 40385,
   "source": 4
  }
 ]
}