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--IQ8B6j26wifUfonzAh3zw", "title": "Hannover Freifunk", "presenters": [ "cawi2001" ], "event": "Hackover 2014", "year": "2014", "source_url": "https://media.ccc.de/v/hackover14_-_6468_-_de_-_raum_1_7_-_201410242000_-_hannover_freifunk_-_cawi2001", "source_kind": "CCC recording catalog", "source_file": "ccc-hackover2014.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/hackover14_-_6468_-_de_-_raum_1_7_-_201410242000_-_hannover_freifunk_-_cawi2001" } ], "provenance": [ { "event": "hackover2014", "title": "Hackover 2014", "source": "https://api.media.ccc.de/public/conferences/hackover2014", "file": "ccc-hackover2014.json", "sha256": "4c1049d49cb9a76ab38c0c91c4b89c827da2ba273571d3ab3b34d66c57e1db80", "checked": "2026-10-16T03:46:57Z", "source_records": 12 } ], "source_guid": "-IQ8B6j26wifUfonzAh3zw", "source_event_api": "https://api.media.ccc.de/public/events/-IQ8B6j26wifUfonzAh3zw", "date": "2014-10-24T02:00:00.000+02:00", "duration_seconds": 4360, "language": "eng", "tags": [ "Freifunk" ], "event_acronym": "hackover2014", "source_schedule_url": "http://c3voc.de/share/schedules/hackover14.xml" }