OPDA Knowledge base
Logical tier claim

Verification Activity

opda:VerificationActivity

Verification Activity

Summary

Verification activity recording the production of a verified Claim from Evidence. [Event particular; PROV-O Activity / UFO Event particular]. The OIDC4IDA single time is the completion instant → prov:endedAtTime. Uses qualified form prov:qualifiedAttributionprov:Attribution with prov:hadRole so validation_method / verification_method are not discarded. Concept tier →

Attributes

This entity declares no module-local datatype properties. Completion timestamp lives on the inherited prov:Activity predicate (prov:endedAtTime).

Relationships

This entity declares no module-local object properties. Inbound predicates: the Claim is prov:wasGeneratedBy the VerificationActivity. Trust-framework citation uses the inherited dct:conformsTo predicate to a TrustFramework instance.

Identity key

Identity key = (Claim, prov-timestamp) tuple — each verification has its own URI; identity is established by the (claim-produced, completion-timestamp) pair. Per S009 5-residue mapping the verification context (conformsTo a TrustFramework) further qualifies the activity.

Constraints

No SHACL Violation/Warning shapes emitted on VerificationActivity at this tier. PROV-O lifecycle constraints (a prov:Activity requires either prov:atTime or both prov:startedAtTime + prov:endedAtTime) are inherited from upstream W3C PROV-O.

Derived attributes

AttributeDerived fromRule summarySeverity
hasVerificationSuccessionStatusprov:wasInformedBy chain to prior VerificationActivityre-verified when prior activity is named; initial-verification otherwiseInfo

ER diagram

%%{init: {"theme": "base", "themeVariables": {"primaryColor": "#E1BEE7", "primaryTextColor": "#4A148C", "primaryBorderColor": "#6A1B9A", "lineColor": "#37474F"}}}%% erDiagram accTitle: VerificationActivity — Entity-Relationship Diagram accDescr: Direct-neighbour view of VerificationActivity — produces Claim via PROV-O wasGeneratedBy, optionally conformsTo a TrustFramework, and chained via prov:wasInformedBy for re-verifications. VerificationActivity }o--|| Claim : "produces (Claim prov:wasGeneratedBy this)" VerificationActivity }o--o| TrustFramework : "dct:conformsTo" VerificationActivity }o--|| VerificationActivity : "prov:wasInformedBy"

Source ODR + ADR

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