Sign an Asset
Upload an image, video, or segmented bundle to watermark, sign, and (where applicable) attest on-chain.
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Drop an image, video, or segmented zip to sign
Supports JPEG, PNG, WebP, MP4, MOV, fragmented MP4, segmented MP4 (zip)
or use a sample asset:
Image samples support all available publisher flows. Video and fragmented MP4 currently support Simple Sign only. Group photo is ideal for testing face swap detection; synthetic images may fail watermark extraction after aggressive crops.