Atestaria is the authenticity protocol that proves who created what and when — in a way nobody can forge, not with AI, not with tomorrow's quantum computers.
Interop · Conformance

Interoperability test results

As the neutral trust layer of the open web, Atestaria runs the official C2PA 2.0 and W3C Verifiable Credentials 2.0 conformance vectors on every deploy. Summary regenerated every 60 s; same data as JSON: /v1/interop.

C2PA 2.0 FAILURES

3 of 5
CaseResultDetail
c2pa.golden_roundtripFAIL{"error": ""}
c2pa.tamper_detectedFAIL{"error": ""}
c2pa.vector:vector_00.jsonPASS{"valid": true, "manifest_id": "urn:uuid:51697dd2-569e-4901-b602-b444859103da"}
c2pa.vector:vector_01.jsonPASS{"valid": true, "manifest_id": "urn:uuid:e7121556-1eef-4109-b199-10da800beeed"}
c2pa.vector:vector_02.jsonPASS{"valid": true, "manifest_id": "urn:uuid:64d593ec-4e87-44a4-890e-ea4cd755dc80"}

W3C Verifiable Credentials Data Model 2.0 FAILURES

3 of 5
CaseResultDetail
vc.kms_roundtripFAIL{"error": ""}
vc.tamper_detectedFAIL{"error": ""}
vc.vector:vector_00.jsonPASS{"valid": true, "trust_source": "kms:interop-vc"}
vc.vector:vector_01.jsonPASS{"valid": true, "trust_source": "kms:interop-vc"}
vc.vector:vector_02.jsonPASS{"valid": true, "trust_source": "kms:interop-vc"}

Official upstream spec examples (C2PA 2.0 + W3C VC 2.0) ALL PASS

2 of 2
CaseResultDetail
c2pa.spec:c2pa_v2_minimal.jsonPASS{"valid": true}
vc.spec:w3c_vc2_simple.jsonPASS{"valid": true}

Generated 2026-05-03T21:44:45Z

Authentic. Auditable. Built to outlast.
Atestaria is the authenticity protocol that proves who created what and when — in a way nobody can forge, not with AI, not with tomorrow's quantum computers.