{
 "meta": {
  "dataset": "Subscriber history — @usadvprogram",
  "channel": "https://tgregister.com/channel/usadvprogram",
  "retrieved_at": "2026-08-28T12:10:26.192Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 17,
  "window": {
   "from": "2026-08-07T08:14:01.198Z",
   "to": "2026-08-27T14:55:15.510Z"
  },
  "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": "2026-08-07T08:14:01.198Z",
   "subscribers": 12813,
   "source": 0
  },
  {
   "ts": "2026-08-07T19:11:14.676Z",
   "subscribers": 12811,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:14:10.465Z",
   "subscribers": 12816,
   "source": 4
  },
  {
   "ts": "2026-08-10T19:15:41.877Z",
   "subscribers": 12808,
   "source": 4
  },
  {
   "ts": "2026-08-11T22:15:19.265Z",
   "subscribers": 12807,
   "source": 4
  },
  {
   "ts": "2026-08-12T20:53:09.857Z",
   "subscribers": 12814,
   "source": 4
  },
  {
   "ts": "2026-08-14T02:39:23.922Z",
   "subscribers": 12813,
   "source": 4
  },
  {
   "ts": "2026-08-15T17:16:55.389Z",
   "subscribers": 12817,
   "source": 4
  },
  {
   "ts": "2026-08-18T14:03:32.741Z",
   "subscribers": 12814,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:27:37.788Z",
   "subscribers": 12814,
   "source": 1
  },
  {
   "ts": "2026-08-20T14:43:52.533Z",
   "subscribers": 12812,
   "source": 4
  },
  {
   "ts": "2026-08-21T19:07:18.905Z",
   "subscribers": 12815,
   "source": 4
  },
  {
   "ts": "2026-08-23T04:34:13.449Z",
   "subscribers": 12819,
   "source": 4
  },
  {
   "ts": "2026-08-24T18:27:01.720Z",
   "subscribers": 12832,
   "source": 4
  },
  {
   "ts": "2026-08-25T15:46:00.356Z",
   "subscribers": 12848,
   "source": 4
  },
  {
   "ts": "2026-08-26T17:24:59.366Z",
   "subscribers": 12843,
   "source": 4
  },
  {
   "ts": "2026-08-27T14:55:15.510Z",
   "subscribers": 12841,
   "source": 4
  }
 ]
}