{
 "meta": {
  "dataset": "Subscriber history — @devops_sre_notes",
  "channel": "https://tgregister.com/channel/devops_sre_notes",
  "retrieved_at": "2026-09-11T16:12:17.207Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 28,
  "window": {
   "from": "2026-08-07T04:49:38.577Z",
   "to": "2026-09-10T06:20:07.907Z"
  },
  "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": "2026-08-07T04:49:38.577Z",
   "subscribers": 13086,
   "source": 0
  },
  {
   "ts": "2026-08-07T05:00:19.890Z",
   "subscribers": 13086,
   "source": 3
  },
  {
   "ts": "2026-08-08T06:53:22.588Z",
   "subscribers": 13102,
   "source": 4
  },
  {
   "ts": "2026-08-09T05:04:13.423Z",
   "subscribers": 13112,
   "source": 4
  },
  {
   "ts": "2026-08-10T05:13:49.011Z",
   "subscribers": 13121,
   "source": 4
  },
  {
   "ts": "2026-08-11T03:51:21.727Z",
   "subscribers": 13129,
   "source": 4
  },
  {
   "ts": "2026-08-12T02:11:59.101Z",
   "subscribers": 13140,
   "source": 4
  },
  {
   "ts": "2026-08-12T22:53:03.336Z",
   "subscribers": 13144,
   "source": 4
  },
  {
   "ts": "2026-08-14T10:27:10.406Z",
   "subscribers": 13165,
   "source": 4
  },
  {
   "ts": "2026-08-16T01:43:26.458Z",
   "subscribers": 13167,
   "source": 4
  },
  {
   "ts": "2026-08-17T12:12:16.072Z",
   "subscribers": 13174,
   "source": 4
  },
  {
   "ts": "2026-08-18T09:37:35.783Z",
   "subscribers": 13186,
   "source": 4
  },
  {
   "ts": "2026-08-19T08:47:17.361Z",
   "subscribers": 13235,
   "source": 4
  },
  {
   "ts": "2026-08-20T08:22:38.933Z",
   "subscribers": 13244,
   "source": 4
  },
  {
   "ts": "2026-08-21T07:47:04.795Z",
   "subscribers": 13238,
   "source": 4
  },
  {
   "ts": "2026-08-22T19:17:15.076Z",
   "subscribers": 13251,
   "source": 4
  },
  {
   "ts": "2026-08-24T14:37:33.813Z",
   "subscribers": 13256,
   "source": 4
  },
  {
   "ts": "2026-08-25T17:02:19.717Z",
   "subscribers": 13258,
   "source": 4
  },
  {
   "ts": "2026-08-27T20:23:46.870Z",
   "subscribers": 13271,
   "source": 4
  },
  {
   "ts": "2026-08-28T17:07:57.101Z",
   "subscribers": 13286,
   "source": 4
  },
  {
   "ts": "2026-08-29T19:37:43.572Z",
   "subscribers": 13272,
   "source": 4
  },
  {
   "ts": "2026-08-30T16:04:04.082Z",
   "subscribers": 13271,
   "source": 4
  },
  {
   "ts": "2026-08-31T19:08:53.518Z",
   "subscribers": 13274,
   "source": 4
  },
  {
   "ts": "2026-09-01T22:46:57.852Z",
   "subscribers": 13280,
   "source": 4
  },
  {
   "ts": "2026-09-02T21:58:58.392Z",
   "subscribers": 13283,
   "source": 4
  },
  {
   "ts": "2026-09-04T12:02:28.343Z",
   "subscribers": 13290,
   "source": 4
  },
  {
   "ts": "2026-09-06T22:40:58.354Z",
   "subscribers": 13284,
   "source": 4
  },
  {
   "ts": "2026-09-10T06:20:07.907Z",
   "subscribers": 13281,
   "source": 4
  }
 ]
}