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Add com.etchv.watermark.1 (entry 61) #93

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Add com.etchv.watermark.1 (entry 61) #93

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24 changes: 24 additions & 0 deletions softbinding-algorithm-list.json
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Original file line number Diff line number Diff line change
Expand Up @@ -921,5 +921,29 @@
"softBindingResolutionApis": [
"https://aidr.studio/api/c2pa/v1"
]
},
{
"identifier": 61,
"alg": "com.etchv.watermark.1",
"type": "watermark",
"decodedMediaTypes": [
"image"
],
"encodedMediaTypes": [
"image/jpeg",
"image/png",
"image/webp",
"image/tiff",
"image/gif"
],
"entryMetadata": {
"description": "Etchv invisible image watermark carrying a 256-bit per-file identifier, embedded before C2PA signing. The manifest's c2pa.soft-binding assertion holds the identifier (base64 of its 32 bytes), and the identifier resolves to that manifest through Etchv's public Soft Binding Resolution API, so provenance can be recovered after metadata is stripped. Only files their owner opted in to public provenance resolve.",
"dateEntered": "2026-10-28T20:00:00.000Z",
"contact": "security@etchv.com",
"informationalUrl": "https://etchv.com/docs/guides/content-credentials"
},
"softBindingResolutionApis": [
"https://api.etchv.com/c2pa/v1"
]
}
]