{
 "meta": {
  "dataset": "Subscriber history — @firstaidschool",
  "channel": "https://tgregister.com/channel/firstaidschool",
  "retrieved_at": "2026-08-15T18:11:34.907Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 10,
  "window": {
   "from": "2026-08-06T08:16:51.843Z",
   "to": "2026-08-15T02:57:01.217Z"
  },
  "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": "2026-08-06T08:16:51.843Z",
   "subscribers": 26556,
   "source": 3
  },
  {
   "ts": "2026-08-06T21:17:55.447Z",
   "subscribers": 26552,
   "source": 4
  },
  {
   "ts": "2026-08-07T19:31:10.029Z",
   "subscribers": 26548,
   "source": 4
  },
  {
   "ts": "2026-08-08T21:18:31.293Z",
   "subscribers": 26542,
   "source": 4
  },
  {
   "ts": "2026-08-10T00:30:53.639Z",
   "subscribers": 26539,
   "source": 4
  },
  {
   "ts": "2026-08-10T21:35:09.830Z",
   "subscribers": 26535,
   "source": 4
  },
  {
   "ts": "2026-08-11T18:04:08.465Z",
   "subscribers": 26530,
   "source": 4
  },
  {
   "ts": "2026-08-12T16:44:04.432Z",
   "subscribers": 26588,
   "source": 4
  },
  {
   "ts": "2026-08-13T18:17:02.151Z",
   "subscribers": 26600,
   "source": 4
  },
  {
   "ts": "2026-08-15T02:57:01.217Z",
   "subscribers": 26596,
   "source": 4
  }
 ]
}