{
 "meta": {
  "dataset": "Subscriber history — @prolearning",
  "channel": "https://tgregister.com/channel/prolearning",
  "retrieved_at": "2026-09-17T00:57:40.578Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 31,
  "window": {
   "from": "2026-08-06T04:07:46.577Z",
   "to": "2026-09-15T05:57:20.192Z"
  },
  "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": "2026-08-06T04:07:46.577Z",
   "subscribers": 20924,
   "source": 0
  },
  {
   "ts": "2026-08-06T04:15:37.879Z",
   "subscribers": 20924,
   "source": 3
  },
  {
   "ts": "2026-08-06T12:51:33.422Z",
   "subscribers": 20917,
   "source": 4
  },
  {
   "ts": "2026-08-07T15:16:07.525Z",
   "subscribers": 20912,
   "source": 4
  },
  {
   "ts": "2026-08-08T15:45:16.634Z",
   "subscribers": 20904,
   "source": 4
  },
  {
   "ts": "2026-08-09T17:01:09.232Z",
   "subscribers": 20896,
   "source": 4
  },
  {
   "ts": "2026-08-10T16:35:07.421Z",
   "subscribers": 20901,
   "source": 4
  },
  {
   "ts": "2026-08-11T13:46:33.060Z",
   "subscribers": 20898,
   "source": 4
  },
  {
   "ts": "2026-08-12T12:57:57.102Z",
   "subscribers": 20893,
   "source": 4
  },
  {
   "ts": "2026-08-13T16:27:50.174Z",
   "subscribers": 20879,
   "source": 4
  },
  {
   "ts": "2026-08-16T16:02:45.510Z",
   "subscribers": 20870,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:43:07.089Z",
   "subscribers": 20866,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:42:53.433Z",
   "subscribers": 20865,
   "source": 4
  },
  {
   "ts": "2026-08-19T17:56:55.727Z",
   "subscribers": 20860,
   "source": 4
  },
  {
   "ts": "2026-08-20T20:28:12.151Z",
   "subscribers": 20849,
   "source": 4
  },
  {
   "ts": "2026-08-21T23:55:39.573Z",
   "subscribers": 20866,
   "source": 4
  },
  {
   "ts": "2026-08-23T16:37:36.331Z",
   "subscribers": 20862,
   "source": 4
  },
  {
   "ts": "2026-08-25T03:14:54.327Z",
   "subscribers": 20849,
   "source": 4
  },
  {
   "ts": "2026-08-26T06:24:13.470Z",
   "subscribers": 20847,
   "source": 4
  },
  {
   "ts": "2026-08-28T08:34:18.190Z",
   "subscribers": 20841,
   "source": 4
  },
  {
   "ts": "2026-08-29T06:57:56.928Z",
   "subscribers": 20835,
   "source": 4
  },
  {
   "ts": "2026-08-30T05:37:00.113Z",
   "subscribers": 20827,
   "source": 4
  },
  {
   "ts": "2026-08-31T03:57:15.428Z",
   "subscribers": 20824,
   "source": 4
  },
  {
   "ts": "2026-09-01T06:45:29.704Z",
   "subscribers": 20807,
   "source": 4
  },
  {
   "ts": "2026-09-02T09:28:13.320Z",
   "subscribers": 20795,
   "source": 4
  },
  {
   "ts": "2026-09-03T15:37:48.046Z",
   "subscribers": 20788,
   "source": 4
  },
  {
   "ts": "2026-09-05T16:38:41.704Z",
   "subscribers": 20777,
   "source": 4
  },
  {
   "ts": "2026-09-08T22:01:15.196Z",
   "subscribers": 20756,
   "source": 4
  },
  {
   "ts": "2026-09-11T13:19:51.974Z",
   "subscribers": 20750,
   "source": 4
  },
  {
   "ts": "2026-09-13T12:22:08.462Z",
   "subscribers": 20738,
   "source": 4
  },
  {
   "ts": "2026-09-15T05:57:20.192Z",
   "subscribers": 20735,
   "source": 4
  }
 ]
}
