{
 "meta": {
  "dataset": "Subscriber history — @upsc_CSM_Pyq",
  "channel": "https://tgregister.com/channel/upsc_CSM_Pyq",
  "retrieved_at": "2026-08-28T02:09:31.230Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 20,
  "window": {
   "from": "2026-08-06T20:32:30.273Z",
   "to": "2026-08-27T21:05:25.819Z"
  },
  "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": "2026-08-06T20:32:30.273Z",
   "subscribers": 13831,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:28:56.695Z",
   "subscribers": 13827,
   "source": 4
  },
  {
   "ts": "2026-08-08T16:20:49.793Z",
   "subscribers": 13816,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:51:42.461Z",
   "subscribers": 13810,
   "source": 4
  },
  {
   "ts": "2026-08-10T11:48:17.565Z",
   "subscribers": 13800,
   "source": 4
  },
  {
   "ts": "2026-08-11T10:13:30.634Z",
   "subscribers": 13796,
   "source": 4
  },
  {
   "ts": "2026-08-12T11:33:08.053Z",
   "subscribers": 13791,
   "source": 4
  },
  {
   "ts": "2026-08-13T10:05:44.534Z",
   "subscribers": 13788,
   "source": 4
  },
  {
   "ts": "2026-08-14T21:14:17.666Z",
   "subscribers": 13775,
   "source": 4
  },
  {
   "ts": "2026-08-16T07:23:50.082Z",
   "subscribers": 13763,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:53:31.708Z",
   "subscribers": 13754,
   "source": 4
  },
  {
   "ts": "2026-08-18T15:47:03.557Z",
   "subscribers": 13745,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:56:23.167Z",
   "subscribers": 13734,
   "source": 4
  },
  {
   "ts": "2026-08-19T19:33:20.559Z",
   "subscribers": 13734,
   "source": 1
  },
  {
   "ts": "2026-08-20T17:03:57.968Z",
   "subscribers": 13731,
   "source": 4
  },
  {
   "ts": "2026-08-23T08:18:17.302Z",
   "subscribers": 13724,
   "source": 4
  },
  {
   "ts": "2026-08-24T22:34:46.924Z",
   "subscribers": 13711,
   "source": 4
  },
  {
   "ts": "2026-08-25T21:13:39.167Z",
   "subscribers": 13704,
   "source": 4
  },
  {
   "ts": "2026-08-26T20:28:57.672Z",
   "subscribers": 13698,
   "source": 4
  },
  {
   "ts": "2026-08-27T21:05:25.819Z",
   "subscribers": 13685,
   "source": 4
  }
 ]
}
