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-HimAg2Mox6GCcmhbE0NWkQ",
  "title": "Through a PRISM, Darkly",
  "presenters": [
    "Kurt Opsahl"
  ],
  "event": "30C3",
  "year": "2013",
  "source_url": "https://media.ccc.de/v/30C3_-_5255_-_en_-_saal_1_-_201312301400_-_through_a_prism_darkly_-_kurt_opsahl",
  "source_kind": "CCC recording catalog",
  "source_file": "ccc-30c3.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/30C3_-_5255_-_en_-_saal_1_-_201312301400_-_through_a_prism_darkly_-_kurt_opsahl"
    }
  ],
  "provenance": [
    {
      "event": "30c3",
      "title": "30C3",
      "source": "https://api.media.ccc.de/public/conferences/30c3",
      "file": "ccc-30c3.json",
      "sha256": "beaece1f0168b5a5ca830e59b73fcd725d8a79df2a30ae6da46f6c2baaf53a7c",
      "checked": "2026-10-16T03:44:41Z",
      "source_records": 135
    }
  ],
  "source_guid": "HimAg2Mox6GCcmhbE0NWkQ",
  "source_event_api": "https://media.ccc.de/public/events/HimAg2Mox6GCcmhbE0NWkQ",
  "date": "2013-12-30T01:00:00.000+01:00",
  "duration_seconds": 3813,
  "language": "eng",
  "tags": [
    "30c3",
    "Ethics",
    "Society & Politics"
  ],
  "event_acronym": "30c3",
  "source_schedule_url": "https://events.ccc.de/congress/2013/Fahrplan/"
}