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-e668a746-0109-5d6b-950b-677a6e752e37",
  "title": "Tschüss Spotify und co.:",
  "presenters": [
    "Nik / Treat!"
  ],
  "event": "Gulaschprogrammiernacht 23",
  "year": "2025",
  "source_url": "https://media.ccc.de/v/gpn23-153-tschss-spotify-und-co-self-hosted-musik-streaming-vol-2",
  "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/gpn23-153-tschss-spotify-und-co-self-hosted-musik-streaming-vol-2"
    }
  ],
  "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": "e668a746-0109-5d6b-950b-677a6e752e37",
  "source_event_api": "https://api.media.ccc.de/public/events/e668a746-0109-5d6b-950b-677a6e752e37",
  "date": "2025-06-20T14:45:00.000+02:00",
  "duration_seconds": 3111,
  "language": "deu",
  "tags": [
    "153",
    "2025",
    "gpn23",
    "Software and Infrastructure",
    "ZKM Vortragssaal",
    "gpn23-deu",
    "Day 2"
  ],
  "event_acronym": "gpn23",
  "source_schedule_url": "https://cfp.gulas.ch/gpn23/schedule/"
}