IBC2025 Session Summary: Stamping Your Content (C2PA Provenance)

The session gave particular focus to the news broadcasting sector. Smith outlined the contribution of the IBC Accelerator programme, which has supported collaborative innovation with more than 400 organisations and 50 projects since its launch in 2019. Forrest emphasised the urgent requirement for trust in the media industry, noting the growing sophistication of AI-generated content and the consequent erosion of the traditional ‘seeing is believing’ principle. Cox detailed the technical operation of the stamping tool, designed to provide a final trust assertion prior to publication by employing fingerprinting and watermarking techniques to restore lost credentials.

Parnall and Peter discussed the integration of C2PA into content acquisition, illustrated by Sony’s PXW-Z300 camcorder, which incorporates this capability. Parnall shared findings from a BBC Verify project, highlighting both the ease with which operators could use the camera and the centrality of content credentials in validating authenticity. Taddist expanded on the significance of content credentials across multiple stages of production, underlining the need to manage provenance data selectively to prevent privacy issues while safeguarding authenticity.

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