{
 "meta": {
  "dataset": "Subscriber history — @Mindmap_upsc",
  "channel": "https://tgregister.com/channel/Mindmap_upsc",
  "retrieved_at": "2026-09-06T23:46:20.103Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 27,
  "window": {
   "from": "2026-08-07T16:31:41.337Z",
   "to": "2026-09-05T00:18:01.179Z"
  },
  "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": "2026-08-07T16:31:41.337Z",
   "subscribers": 19674,
   "source": 0
  },
  {
   "ts": "2026-08-08T10:35:23.597Z",
   "subscribers": 19668,
   "source": 4
  },
  {
   "ts": "2026-08-09T12:39:14.563Z",
   "subscribers": 19651,
   "source": 4
  },
  {
   "ts": "2026-08-10T09:25:20.809Z",
   "subscribers": 19642,
   "source": 4
  },
  {
   "ts": "2026-08-11T07:32:13.600Z",
   "subscribers": 19632,
   "source": 4
  },
  {
   "ts": "2026-08-12T07:15:01.062Z",
   "subscribers": 19624,
   "source": 4
  },
  {
   "ts": "2026-08-13T08:16:36.609Z",
   "subscribers": 19617,
   "source": 4
  },
  {
   "ts": "2026-08-14T18:05:27.215Z",
   "subscribers": 19598,
   "source": 4
  },
  {
   "ts": "2026-08-16T04:48:47.644Z",
   "subscribers": 19578,
   "source": 4
  },
  {
   "ts": "2026-08-16T20:00:26.366Z",
   "subscribers": 19578,
   "source": 1
  },
  {
   "ts": "2026-08-17T12:24:34.849Z",
   "subscribers": 19568,
   "source": 4
  },
  {
   "ts": "2026-08-18T10:53:07.670Z",
   "subscribers": 19551,
   "source": 4
  },
  {
   "ts": "2026-08-19T08:44:31.369Z",
   "subscribers": 19535,
   "source": 4
  },
  {
   "ts": "2026-08-20T07:45:08.233Z",
   "subscribers": 19528,
   "source": 4
  },
  {
   "ts": "2026-08-21T06:52:37.311Z",
   "subscribers": 19519,
   "source": 4
  },
  {
   "ts": "2026-08-22T18:18:32.977Z",
   "subscribers": 19501,
   "source": 4
  },
  {
   "ts": "2026-08-24T14:07:49.420Z",
   "subscribers": 19478,
   "source": 4
  },
  {
   "ts": "2026-08-25T15:43:05.217Z",
   "subscribers": 19467,
   "source": 4
  },
  {
   "ts": "2026-08-26T18:54:45.426Z",
   "subscribers": 19456,
   "source": 4
  },
  {
   "ts": "2026-08-27T20:06:28.762Z",
   "subscribers": 19445,
   "source": 4
  },
  {
   "ts": "2026-08-28T23:08:01.189Z",
   "subscribers": 19438,
   "source": 4
  },
  {
   "ts": "2026-08-30T00:04:47.011Z",
   "subscribers": 19431,
   "source": 4
  },
  {
   "ts": "2026-08-31T00:35:04.880Z",
   "subscribers": 19421,
   "source": 4
  },
  {
   "ts": "2026-09-01T03:58:48.992Z",
   "subscribers": 19410,
   "source": 4
  },
  {
   "ts": "2026-09-02T03:39:21.236Z",
   "subscribers": 19394,
   "source": 4
  },
  {
   "ts": "2026-09-03T09:22:57.522Z",
   "subscribers": 19385,
   "source": 4
  },
  {
   "ts": "2026-09-05T00:18:01.179Z",
   "subscribers": 19368,
   "source": 4
  }
 ]
}