Grainmark Studio
Seal known-source media at capture. Verify later copies after re-encode, crop, or transcode.
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Upload▸
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Edit▸
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Seal▸
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Anchor▸
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ResultsDrop media here or click to upload
Image (JPG, PNG, WebP) or Video (MP4, MOV, WebM) — up to 200 MB
VRC-48M Official
Verified Authentic seal
Custom Brand
Your logo + VRC-48M
Anchoring your media...
Extracting topological features and building your proof.
- ○ Uploading media file...
- ○ Extracting 48-dimensional features...
- ○ Mapping to topological manifold...
- ○ Building Merkle proof tree...
- ○ Generating anchor certificate...