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PerTh Multimodal, announced by @zohaibahmed on 2026-06-24, is presented as the…

Brief

PerTh Multimodal is an API-deployable tool introduced on 2026-06-24 that embeds imperceptible watermarks across audio, image, video, and text. The system supports signing content with C2PA and includes decoding functionality to check files for Resemble marks, C2PA signatures, or SynthID markers, aimed at teams needing provenance and detection.

Why it matters

PerTh Multimodal, announced by @zohaibahmed on 2026-06-24, is presented as the first multimodal watermarker any team can deploy via API.

Key details

  • It encodes an imperceptible mark into audio, image, video, and text, and can sign outputs with C2PA.
  • PerTh can also decode files to detect a Resemble mark, C2PA metadata, or SynthID indicators.
Source evidence

Meet PerTh Multimodal: the first multimodal watermarker any team can deploy via API.

Encode an imperceptible mark into audio, image, video & text. Sign with C2PA. Decode any file to check for a Resemble mark, C2PA, or SynthID.

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