{
 "meta": {
  "dataset": "Subscriber history — @bp520",
  "channel": "https://tgregister.com/channel/bp520",
  "retrieved_at": "2026-09-12T14:59:27.773Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T09:33:26.092Z",
   "to": "2026-09-11T18:21:28.857Z"
  },
  "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": "2026-08-07T09:33:26.092Z",
   "subscribers": 15139,
   "source": 0
  },
  {
   "ts": "2026-08-08T00:57:39.394Z",
   "subscribers": 15138,
   "source": 4
  },
  {
   "ts": "2026-08-09T04:11:03.270Z",
   "subscribers": 15163,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:52:00.205Z",
   "subscribers": 15175,
   "source": 4
  },
  {
   "ts": "2026-08-11T03:41:22.571Z",
   "subscribers": 15180,
   "source": 4
  },
  {
   "ts": "2026-08-12T01:16:54.619Z",
   "subscribers": 15185,
   "source": 4
  },
  {
   "ts": "2026-08-13T01:54:12.611Z",
   "subscribers": 15202,
   "source": 4
  },
  {
   "ts": "2026-08-14T06:55:28.905Z",
   "subscribers": 15207,
   "source": 4
  },
  {
   "ts": "2026-08-17T10:43:59.114Z",
   "subscribers": 15196,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:03:59.284Z",
   "subscribers": 15218,
   "source": 4
  },
  {
   "ts": "2026-08-18T19:56:06.942Z",
   "subscribers": 15218,
   "source": 1
  },
  {
   "ts": "2026-08-19T12:06:51.001Z",
   "subscribers": 15210,
   "source": 4
  },
  {
   "ts": "2026-08-20T09:34:51.854Z",
   "subscribers": 15221,
   "source": 4
  },
  {
   "ts": "2026-08-21T10:17:00.766Z",
   "subscribers": 15222,
   "source": 4
  },
  {
   "ts": "2026-08-22T17:06:24.918Z",
   "subscribers": 15232,
   "source": 4
  },
  {
   "ts": "2026-08-24T11:56:23.281Z",
   "subscribers": 15266,
   "source": 4
  },
  {
   "ts": "2026-08-25T10:45:02.312Z",
   "subscribers": 15285,
   "source": 4
  },
  {
   "ts": "2026-08-26T13:35:04.096Z",
   "subscribers": 15307,
   "source": 4
  },
  {
   "ts": "2026-08-27T12:36:27.854Z",
   "subscribers": 15314,
   "source": 4
  },
  {
   "ts": "2026-08-28T14:44:28.195Z",
   "subscribers": 15312,
   "source": 4
  },
  {
   "ts": "2026-08-29T13:08:22.868Z",
   "subscribers": 15318,
   "source": 4
  },
  {
   "ts": "2026-08-30T11:35:18.097Z",
   "subscribers": 15322,
   "source": 4
  },
  {
   "ts": "2026-08-31T11:13:45.393Z",
   "subscribers": 15325,
   "source": 4
  },
  {
   "ts": "2026-09-01T12:04:59.689Z",
   "subscribers": 15336,
   "source": 4
  },
  {
   "ts": "2026-09-03T19:41:31.997Z",
   "subscribers": 15339,
   "source": 4
  },
  {
   "ts": "2026-09-05T21:58:36.130Z",
   "subscribers": 15359,
   "source": 4
  },
  {
   "ts": "2026-09-09T05:17:01.741Z",
   "subscribers": 15380,
   "source": 4
  },
  {
   "ts": "2026-09-11T18:21:28.857Z",
   "subscribers": 15411,
   "source": 4
  }
 ]
}
