Interoperability suite

Known-good and known-bad Universal Documents.

Use the same fixtures to test any independent implementation. Integrity, status, and identity remain separate results.

Open release-readiness carrier Verification evidence

Expected: integrity verified · signature not performed

Release-readiness UDS

Exact-byte BrowserCarrier companion with six independent trust states. Unresolved assurance remains amber.

Download raw fixture Verify

Expected: integrity verified

Canonical UDS 0.1.0

Known-good canonical fixture shared unchanged by Creator, Reader, and iSDK.

Download raw fixture Verify

Expected: verification failed

Tampered UDS

One protected value differs from the canonical seal input.

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Expected: structure rejected

Unknown schema

Demonstrates fail-closed handling for unsupported versions.

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Expected: integrity intact · expired

Expired snapshot

Integrity and current usability are different questions.

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Expected: integrity intact · revoked snapshot

Revoked snapshot

The sealed historical record remains; status says it should not be relied upon.

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Expected: structure rejected

Malformed metadata

Required canonical metadata is invalid.

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The canonical fixture provides deterministic SHA-256 integrity evidence. The release-readiness sample is not production-signed and does not claim independently verified signer identity.