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-d86c1288-480d-5abf-94ad-cf96e194cba7",
  "title": "Was ist eigentlich Farbe?",
  "presenters": [
    "blinry"
  ],
  "event": "Gulaschprogrammiernacht 20",
  "year": "2022",
  "source_url": "https://media.ccc.de/v/gpn20-92-was-ist-eigentlich-farbe-",
  "source_kind": "CCC recording catalog",
  "source_file": "ccc-gpn20.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/gpn20-92-was-ist-eigentlich-farbe-"
    }
  ],
  "provenance": [
    {
      "event": "gpn20",
      "title": "Gulaschprogrammiernacht 20",
      "source": "https://api.media.ccc.de/public/conferences/gpn20",
      "file": "ccc-gpn20.json",
      "sha256": "2c902fdb17ec80399b1592b0ba0e80767b0c2ccb22eb6b2111a04cf0caf71e20",
      "checked": "2026-10-16T03:46:32Z",
      "source_records": 66
    }
  ],
  "source_guid": "d86c1288-480d-5abf-94ad-cf96e194cba7",
  "source_event_api": "https://api.media.ccc.de/public/events/d86c1288-480d-5abf-94ad-cf96e194cba7",
  "date": "2022-05-20T22:45:00.000+02:00",
  "duration_seconds": 4153,
  "language": "deu",
  "tags": [
    "gpn20",
    "92",
    "2022",
    "Science",
    "gulaschprogrammiernacht",
    "gpn",
    "entropia"
  ],
  "event_acronym": "gpn20",
  "source_schedule_url": ""
}