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-888b1e61-3ac0-4681-8db6-47bb0614f16c",
  "title": "QR-Codes",
  "presenters": [
    "Sebastian Buchwald"
  ],
  "event": "Gulaschprogrammiernacht 17",
  "year": "2017",
  "source_url": "https://media.ccc.de/v/gpn17-8589-qr-codes",
  "source_kind": "CCC recording catalog",
  "source_file": "ccc-gpn17.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/gpn17-8589-qr-codes"
    }
  ],
  "provenance": [
    {
      "event": "gpn17",
      "title": "Gulaschprogrammiernacht 17",
      "source": "https://api.media.ccc.de/public/conferences/gpn17",
      "file": "ccc-gpn17.json",
      "sha256": "89e2f0aeea5f5cccc9c1fdd9a3223790a6d7ccad783ddde04eebe9075133c881",
      "checked": "2026-10-16T03:46:22Z",
      "source_records": 44
    }
  ],
  "source_guid": "888b1e61-3ac0-4681-8db6-47bb0614f16c",
  "source_event_api": "https://api.media.ccc.de/public/events/888b1e61-3ac0-4681-8db6-47bb0614f16c",
  "date": "2017-05-25T00:00:00.000+02:00",
  "duration_seconds": 3206,
  "language": "deu",
  "tags": [
    "gpn17",
    "8589"
  ],
  "event_acronym": "gpn17",
  "source_schedule_url": "https://entropia.de/GPN17:Fahrplan:XML?action=raw"
}