{
 "meta": {
  "dataset": "Subscriber history — @zfbcc",
  "channel": "https://tgregister.com/channel/zfbcc",
  "retrieved_at": "2026-09-06T19:53:36.337Z",
  "licence": "CC BY 4.0 — attribute to tgregister.com",
  "n_readings": 45,
  "window": {
   "from": "2026-08-11T10:45:18.063Z",
   "to": "2026-09-04T23:40:11.899Z"
  },
  "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": "2026-08-11T10:45:18.063Z",
   "subscribers": 12738,
   "source": 0
  },
  {
   "ts": "2026-08-11T14:27:31.481Z",
   "subscribers": 12742,
   "source": 4
  },
  {
   "ts": "2026-08-11T17:11:51.444Z",
   "subscribers": 12752,
   "source": 4
  },
  {
   "ts": "2026-08-12T11:43:57.577Z",
   "subscribers": 12758,
   "source": 4
  },
  {
   "ts": "2026-08-12T16:34:16.650Z",
   "subscribers": 12765,
   "source": 4
  },
  {
   "ts": "2026-08-13T09:56:03.640Z",
   "subscribers": 12819,
   "source": 4
  },
  {
   "ts": "2026-08-14T00:07:47.066Z",
   "subscribers": 12833,
   "source": 4
  },
  {
   "ts": "2026-08-14T20:54:00.284Z",
   "subscribers": 12845,
   "source": 4
  },
  {
   "ts": "2026-08-15T15:42:59.724Z",
   "subscribers": 12849,
   "source": 4
  },
  {
   "ts": "2026-08-16T13:47:20.696Z",
   "subscribers": 12840,
   "source": 4
  },
  {
   "ts": "2026-08-17T09:27:06.391Z",
   "subscribers": 12914,
   "source": 4
  },
  {
   "ts": "2026-08-17T16:29:08.958Z",
   "subscribers": 12898,
   "source": 4
  },
  {
   "ts": "2026-08-18T07:02:35.031Z",
   "subscribers": 12930,
   "source": 4
  },
  {
   "ts": "2026-08-18T16:22:37.023Z",
   "subscribers": 12902,
   "source": 4
  },
  {
   "ts": "2026-08-19T07:37:58.753Z",
   "subscribers": 12900,
   "source": 4
  },
  {
   "ts": "2026-08-19T18:12:46.932Z",
   "subscribers": 12901,
   "source": 4
  },
  {
   "ts": "2026-08-20T09:34:41.449Z",
   "subscribers": 12933,
   "source": 4
  },
  {
   "ts": "2026-08-20T10:07:58.883Z",
   "subscribers": 12933,
   "source": 1
  },
  {
   "ts": "2026-08-20T17:52:18.174Z",
   "subscribers": 12939,
   "source": 4
  },
  {
   "ts": "2026-08-21T06:12:14.325Z",
   "subscribers": 12946,
   "source": 4
  },
  {
   "ts": "2026-08-22T05:14:03.413Z",
   "subscribers": 12958,
   "source": 4
  },
  {
   "ts": "2026-08-22T14:39:24.384Z",
   "subscribers": 12952,
   "source": 4
  },
  {
   "ts": "2026-08-23T23:02:50.822Z",
   "subscribers": 12932,
   "source": 4
  },
  {
   "ts": "2026-08-24T04:23:40.430Z",
   "subscribers": 12924,
   "source": 4
  },
  {
   "ts": "2026-08-25T04:38:47.890Z",
   "subscribers": 12955,
   "source": 4
  },
  {
   "ts": "2026-08-25T05:13:45.564Z",
   "subscribers": 12963,
   "source": 4
  },
  {
   "ts": "2026-08-26T03:02:40.811Z",
   "subscribers": 12985,
   "source": 4
  },
  {
   "ts": "2026-08-26T06:46:54.202Z",
   "subscribers": 12995,
   "source": 4
  },
  {
   "ts": "2026-08-27T05:22:55.154Z",
   "subscribers": 13014,
   "source": 4
  },
  {
   "ts": "2026-08-27T09:37:59.677Z",
   "subscribers": 13027,
   "source": 4
  },
  {
   "ts": "2026-08-28T06:13:06.790Z",
   "subscribers": 13035,
   "source": 4
  },
  {
   "ts": "2026-08-29T03:25:09.952Z",
   "subscribers": 13036,
   "source": 4
  },
  {
   "ts": "2026-08-29T12:23:08.756Z",
   "subscribers": 13002,
   "source": 4
  },
  {
   "ts": "2026-08-30T05:25:26.042Z",
   "subscribers": 13022,
   "source": 4
  },
  {
   "ts": "2026-08-30T09:25:51.798Z",
   "subscribers": 13035,
   "source": 4
  },
  {
   "ts": "2026-08-31T03:13:39.219Z",
   "subscribers": 13054,
   "source": 4
  },
  {
   "ts": "2026-08-31T07:03:15.582Z",
   "subscribers": 13060,
   "source": 4
  },
  {
   "ts": "2026-09-01T02:16:33.914Z",
   "subscribers": 13072,
   "source": 4
  },
  {
   "ts": "2026-09-01T06:38:05.908Z",
   "subscribers": 13077,
   "source": 4
  },
  {
   "ts": "2026-09-01T22:56:47.545Z",
   "subscribers": 13100,
   "source": 4
  },
  {
   "ts": "2026-09-02T04:34:31.163Z",
   "subscribers": 13101,
   "source": 4
  },
  {
   "ts": "2026-09-03T02:12:56.768Z",
   "subscribers": 13113,
   "source": 4
  },
  {
   "ts": "2026-09-03T06:18:37.889Z",
   "subscribers": 13114,
   "source": 4
  },
  {
   "ts": "2026-09-04T18:17:32.630Z",
   "subscribers": 13119,
   "source": 4
  },
  {
   "ts": "2026-09-04T23:40:11.899Z",
   "subscribers": 13121,
   "source": 4
  }
 ]
}