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Narrow io.blockfact.audio.watermark.32 to image; fix resolver endpoint (#90) - #92

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domguinard merged 2 commits into
c2pa-org:mainfrom
knightfoxapps:fix-blockfact-softbinding-scope
Nov 11, 2026
Merged

domguinard merged 2 commits into
c2pa-org:mainfrom
knightfoxapps:fix-blockfact-softbinding-scope

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Summary

Corrects the io.blockfact.audio.watermark.32 entry (identifier 45) in two ways:

  1. Narrows decodedMediaTypes to ["image"]. The original entry listed audio, image, video. In practice BlockFact's production watermark is the image watermark; the audio and video paths are not production, so the declared media types are narrowed to match what actually resolves today. The description is updated accordingly.

  2. The softBindingResolutionApis endpoint now resolves. The registered URL https://api.blockfact.io/api/soft-binding/v1 was flagged in the monthly link check (Broken links found in softbinding-algorithm-list.json #90) as HTTP 404. The BlockFact Soft Binding Resolution API has now been deployed and implements the C2PA Decoupled v2.4 contract (service descriptor at the base URL, /v1/services/supportedAlgorithms, /v1/matches/byBinding, /v1/manifests/{manifestId}). The URL now returns HTTP 200.

The registered identifier (45) and alg string are unchanged, as these are stable identifiers.

Closes the BlockFact row in #90.

@domguinard
domguinard merged commit 38df0a4 into c2pa-org:main Nov 11, 2026
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@domguinard

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Approved during the WM TF meeting on Nov 11

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3 participants