~/talk

Provenance Without Surveillance: Privacy Engineering for AI Content Transparency

Talkat PEPR '26 · 2026-06-01..06-02· [privacy-and-compliance, security]
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Argues that C2PA-style provenance is dual-use and offers a concrete privacy playbook: a deployed pipeline that collapses action logs, uses org-level signing, coarsens timestamps, and strips EXIF before signing, yielding about 80% less identifying metadata in their example. Recommends allow-list assertions, retention limits, and re-sign on ingest so manifests don’t enable cross-platform linkage; shows how pass-through manifests reveal distribution graphs while resigning preserves labels without user-level identifiers.

AI-written summary · about

  1. 0:00AI provenance privacy challenges
  2. 1:17AI provenance infrastructure need
  3. 3:05C2PA metadata privacy risks
  4. 6:56AI-generated content risk spectrum
  5. 8:21Provenance data privacy controls
  6. 10:29Data travel platform controls
  7. 13:14Privacy controls real-world example
  8. 17:50Cross-platform risks standardization
  9. 19:18Q&A
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