CONFERENCE METADATA — incomplete historical coverage; source presence is not proof of delivery.
Research dataset: Lukas Walter, Clemens Sauerwein, Daniel Woods, InfoSec.pptx, https://doi.org/10.5281/zenodo.15989593, CC BY 4.0 https://creativecommons.org/licenses/by/4.0/. Changes: metadata extraction, exact-match reconciliation and uncertainty flags. No endorsement implied.

{
  "id": "ccc-0a0a5e7d-84b7-51cc-9736-fb0e5d7bf394",
  "title": "Semestertickets ohne Überwachung",
  "presenters": [
    "Q Misell"
  ],
  "event": "Gulaschprogrammiernacht 23",
  "year": "2025",
  "source_url": "https://media.ccc.de/v/gpn23-12-semestertickets-ohne-berwachung-how-i-reverse-engineered-your-public-transport-app",
  "source_kind": "CCC recording catalog",
  "source_file": "ccc-gpn23.json",
  "rights": "Metadata and source links only; abstracts, biographies, transcripts and media not republished",
  "delivery_status": "Not independently verified",
  "title_status": "source supplied",
  "presenter_status": "source supplied",
  "media": [
    {
      "kind": "recording page",
      "url": "https://media.ccc.de/v/gpn23-12-semestertickets-ohne-berwachung-how-i-reverse-engineered-your-public-transport-app"
    }
  ],
  "provenance": [
    {
      "event": "gpn23",
      "title": "Gulaschprogrammiernacht 23",
      "source": "https://api.media.ccc.de/public/conferences/gpn23",
      "file": "ccc-gpn23.json",
      "sha256": "05afb17d53b45766d0585b24ffa26d747f96b034dc6d95ec5b90d6188feb6734",
      "checked": "2026-10-16T03:46:42Z",
      "source_records": 72
    }
  ],
  "source_guid": "0a0a5e7d-84b7-51cc-9736-fb0e5d7bf394",
  "source_event_api": "https://api.media.ccc.de/public/events/0a0a5e7d-84b7-51cc-9736-fb0e5d7bf394",
  "date": "2025-06-20T20:15:00.000+02:00",
  "duration_seconds": 3408,
  "language": "eng",
  "tags": [
    "12",
    "2025",
    "gpn23",
    "Software and Infrastructure",
    "ZKM Kubus",
    "gpn23-eng",
    "Day 2"
  ],
  "event_acronym": "gpn23",
  "source_schedule_url": "https://cfp.gulas.ch/gpn23/schedule/"
}