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-import-1c79c2ce56e02c06d9",
  "title": "Trustbased P2P exchange on the semantic web and the WYMIWYG KnoBot project",
  "presenters": [
    "Reto Bachmann-Gmuer"
  ],
  "event": "20C3: Not a Number",
  "year": "2003",
  "source_url": "https://media.ccc.de/v/20C3-598-Trust_based_P2P_WYMIWYG_KnoBot_project",
  "source_kind": "CCC recording catalog",
  "source_file": "ccc-20c3.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/20C3-598-Trust_based_P2P_WYMIWYG_KnoBot_project"
    }
  ],
  "provenance": [
    {
      "event": "20c3",
      "title": "20C3: Not a Number",
      "source": "https://api.media.ccc.de/public/conferences/20c3",
      "file": "ccc-20c3.json",
      "sha256": "df5e207f4a627780bd5dbe9dfbe02906abcdd74f9fe031601aa0d3d81bccd01a",
      "checked": "2026-10-16T03:44:03Z",
      "source_records": 35
    }
  ],
  "source_guid": "import-1c79c2ce56e02c06d9",
  "source_event_api": "https://api.media.ccc.de/public/events/import-1c79c2ce56e02c06d9",
  "date": "2003-12-29T01:00:00.000+01:00",
  "duration_seconds": 4576,
  "language": "eng",
  "tags": [
    "20c3"
  ],
  "event_acronym": "20c3",
  "source_schedule_url": null
}