{
 "meta": {
  "dataset": "Subscriber history — @Mark4Map_bot",
  "channel": "https://tgregister.com/channel/Mark4Map_bot",
  "retrieved_at": "2026-09-16T21:57:42.526Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 31,
  "window": {
   "from": "2026-08-07T11:17:10.157Z",
   "to": "2026-09-15T23:17:14.384Z"
  },
  "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": "2026-08-07T11:17:10.157Z",
   "subscribers": 182820,
   "source": 0
  },
  {
   "ts": "2026-08-08T00:05:34.242Z",
   "subscribers": 183121,
   "source": 4
  },
  {
   "ts": "2026-08-08T19:03:32.461Z",
   "subscribers": 183121,
   "source": 1
  },
  {
   "ts": "2026-08-09T00:53:38.586Z",
   "subscribers": 183506,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:41:36.818Z",
   "subscribers": 183866,
   "source": 4
  },
  {
   "ts": "2026-08-10T23:37:51.472Z",
   "subscribers": 184028,
   "source": 4
  },
  {
   "ts": "2026-08-12T01:02:21.843Z",
   "subscribers": 184467,
   "source": 4
  },
  {
   "ts": "2026-08-13T04:25:45.702Z",
   "subscribers": 184385,
   "source": 4
  },
  {
   "ts": "2026-08-14T09:15:56.128Z",
   "subscribers": 184616,
   "source": 4
  },
  {
   "ts": "2026-08-15T18:53:12.586Z",
   "subscribers": 185060,
   "source": 4
  },
  {
   "ts": "2026-08-16T22:16:23.777Z",
   "subscribers": 185426,
   "source": 4
  },
  {
   "ts": "2026-08-17T20:17:36.090Z",
   "subscribers": 185694,
   "source": 4
  },
  {
   "ts": "2026-08-18T19:37:14.294Z",
   "subscribers": 186060,
   "source": 4
  },
  {
   "ts": "2026-08-20T14:47:04.240Z",
   "subscribers": 185993,
   "source": 4
  },
  {
   "ts": "2026-08-21T21:49:18.362Z",
   "subscribers": 186020,
   "source": 4
  },
  {
   "ts": "2026-08-23T12:05:30.858Z",
   "subscribers": 186057,
   "source": 4
  },
  {
   "ts": "2026-08-25T01:36:40.534Z",
   "subscribers": 185515,
   "source": 4
  },
  {
   "ts": "2026-08-26T04:25:01.248Z",
   "subscribers": 186101,
   "source": 4
  },
  {
   "ts": "2026-08-27T04:33:15.005Z",
   "subscribers": 185869,
   "source": 4
  },
  {
   "ts": "2026-08-28T01:04:57.089Z",
   "subscribers": 185535,
   "source": 4
  },
  {
   "ts": "2026-08-28T22:04:42.035Z",
   "subscribers": 185311,
   "source": 4
  },
  {
   "ts": "2026-08-31T01:18:00.537Z",
   "subscribers": 183305,
   "source": 4
  },
  {
   "ts": "2026-09-01T03:44:54.576Z",
   "subscribers": 182753,
   "source": 4
  },
  {
   "ts": "2026-09-02T00:47:05.436Z",
   "subscribers": 184295,
   "source": 4
  },
  {
   "ts": "2026-09-03T01:44:40.429Z",
   "subscribers": 184983,
   "source": 4
  },
  {
   "ts": "2026-09-04T10:41:57.329Z",
   "subscribers": 185206,
   "source": 4
  },
  {
   "ts": "2026-09-06T22:22:09.727Z",
   "subscribers": 184918,
   "source": 4
  },
  {
   "ts": "2026-09-10T03:19:05.603Z",
   "subscribers": 185346,
   "source": 4
  },
  {
   "ts": "2026-09-12T08:37:01.177Z",
   "subscribers": 186047,
   "source": 4
  },
  {
   "ts": "2026-09-14T03:39:24.570Z",
   "subscribers": 186007,
   "source": 4
  },
  {
   "ts": "2026-09-15T23:17:14.384Z",
   "subscribers": 185615,
   "source": 4
  }
 ]
}