{
 "meta": {
  "dataset": "Subscriber history — @schoolhack_1",
  "channel": "https://tgregister.com/channel/schoolhack_1",
  "retrieved_at": "2026-09-10T06:09:21.619Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 29,
  "window": {
   "from": "2026-08-07T13:05:43.850Z",
   "to": "2026-09-07T08:19:07.502Z"
  },
  "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": "2026-08-07T13:05:43.850Z",
   "subscribers": 13505,
   "source": 0
  },
  {
   "ts": "2026-08-07T13:16:26.711Z",
   "subscribers": 13505,
   "source": 3
  },
  {
   "ts": "2026-08-07T16:54:25.910Z",
   "subscribers": 13494,
   "source": 4
  },
  {
   "ts": "2026-08-08T14:36:23.112Z",
   "subscribers": 13481,
   "source": 4
  },
  {
   "ts": "2026-08-09T13:21:04.329Z",
   "subscribers": 13454,
   "source": 4
  },
  {
   "ts": "2026-08-10T15:31:20.812Z",
   "subscribers": 13435,
   "source": 4
  },
  {
   "ts": "2026-08-11T17:47:53.420Z",
   "subscribers": 13387,
   "source": 4
  },
  {
   "ts": "2026-08-12T16:14:28.178Z",
   "subscribers": 13376,
   "source": 4
  },
  {
   "ts": "2026-08-13T17:37:10.739Z",
   "subscribers": 13354,
   "source": 4
  },
  {
   "ts": "2026-08-14T22:37:51.762Z",
   "subscribers": 13312,
   "source": 4
  },
  {
   "ts": "2026-08-16T14:14:49.966Z",
   "subscribers": 13291,
   "source": 4
  },
  {
   "ts": "2026-08-17T17:36:13.672Z",
   "subscribers": 13270,
   "source": 4
  },
  {
   "ts": "2026-08-18T20:26:00.647Z",
   "subscribers": 13249,
   "source": 4
  },
  {
   "ts": "2026-08-19T23:15:38.149Z",
   "subscribers": 13221,
   "source": 4
  },
  {
   "ts": "2026-08-20T21:37:34.108Z",
   "subscribers": 13199,
   "source": 4
  },
  {
   "ts": "2026-08-21T23:48:00.826Z",
   "subscribers": 13182,
   "source": 4
  },
  {
   "ts": "2026-08-23T12:48:47.863Z",
   "subscribers": 13165,
   "source": 4
  },
  {
   "ts": "2026-08-25T00:56:41.279Z",
   "subscribers": 13136,
   "source": 4
  },
  {
   "ts": "2026-08-25T21:53:07.324Z",
   "subscribers": 13128,
   "source": 4
  },
  {
   "ts": "2026-08-26T18:25:30.958Z",
   "subscribers": 13118,
   "source": 4
  },
  {
   "ts": "2026-08-27T18:56:51.581Z",
   "subscribers": 13100,
   "source": 4
  },
  {
   "ts": "2026-08-28T20:26:03.947Z",
   "subscribers": 13085,
   "source": 4
  },
  {
   "ts": "2026-08-29T23:32:54.968Z",
   "subscribers": 13070,
   "source": 4
  },
  {
   "ts": "2026-08-30T20:44:22.250Z",
   "subscribers": 13053,
   "source": 4
  },
  {
   "ts": "2026-08-31T18:44:58.055Z",
   "subscribers": 13044,
   "source": 4
  },
  {
   "ts": "2026-09-01T21:34:28.670Z",
   "subscribers": 13021,
   "source": 4
  },
  {
   "ts": "2026-09-02T22:07:26.005Z",
   "subscribers": 12993,
   "source": 4
  },
  {
   "ts": "2026-09-04T15:00:22.148Z",
   "subscribers": 12972,
   "source": 4
  },
  {
   "ts": "2026-09-07T08:19:07.502Z",
   "subscribers": 12934,
   "source": 4
  }
 ]
}
