{
 "meta": {
  "dataset": "Subscriber history — @DategramAppBot",
  "channel": "https://tgregister.com/channel/DategramAppBot",
  "retrieved_at": "2026-08-17T22:38:09.327Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 20,
  "window": {
   "from": "2026-08-06T23:00:42.384Z",
   "to": "2026-08-17T18:15:10.293Z"
  },
  "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": "2026-08-06T23:00:42.384Z",
   "subscribers": 618311,
   "source": 0
  },
  {
   "ts": "2026-08-07T18:40:48.153Z",
   "subscribers": 618311,
   "source": 1
  },
  {
   "ts": "2026-08-07T22:58:38.797Z",
   "subscribers": 620740,
   "source": 4
  },
  {
   "ts": "2026-08-07T23:04:28.761Z",
   "subscribers": 620740,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:03:32.064Z",
   "subscribers": 623259,
   "source": 4
  },
  {
   "ts": "2026-08-08T23:33:13.356Z",
   "subscribers": 623259,
   "source": 4
  },
  {
   "ts": "2026-08-09T21:31:41.381Z",
   "subscribers": 629072,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:29:30.966Z",
   "subscribers": 629072,
   "source": 4
  },
  {
   "ts": "2026-08-10T18:31:16.977Z",
   "subscribers": 633078,
   "source": 4
  },
  {
   "ts": "2026-08-11T02:41:41.190Z",
   "subscribers": 633078,
   "source": 4
  },
  {
   "ts": "2026-08-11T19:23:02.301Z",
   "subscribers": 637006,
   "source": 4
  },
  {
   "ts": "2026-08-12T05:12:29.760Z",
   "subscribers": 637006,
   "source": 4
  },
  {
   "ts": "2026-08-12T21:37:28.198Z",
   "subscribers": 639185,
   "source": 4
  },
  {
   "ts": "2026-08-13T07:58:53.451Z",
   "subscribers": 639185,
   "source": 4
  },
  {
   "ts": "2026-08-14T06:36:54.025Z",
   "subscribers": 641189,
   "source": 4
  },
  {
   "ts": "2026-08-14T20:37:09.570Z",
   "subscribers": 643911,
   "source": 4
  },
  {
   "ts": "2026-08-15T18:17:23.134Z",
   "subscribers": 640921,
   "source": 4
  },
  {
   "ts": "2026-08-16T15:52:30.138Z",
   "subscribers": 635834,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:45:41.108Z",
   "subscribers": 635834,
   "source": 4
  },
  {
   "ts": "2026-08-17T18:15:10.293Z",
   "subscribers": 632978,
   "source": 4
  }
 ]
}