@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://opda.org.uk/pdtf/digest> a owl:DatatypeProperty ;
    rdfs:label "digest" ;
    skos:definition "Relates a claim or piece of evidence to its cryptographic hash, expressed as an algorithm-qualified digest value drawn from the digest-algorithm concept scheme." ;
    rdfs:comment "Cryptographic digest of a Claim or Evidence (algorithm + value, e.g. 'sha256:e3b0...'). Local term per S009 5-residue (PROV-O has no notion of signature or hash). Algorithm validation by opda:DigestAlgorithmScheme SKOS scheme (ADR-0012 emits the constraint)." ;
    rdfs:range xsd:string ;
    dct:source <https://opda.org.uk/pdtf/harness/odr/ODR-0009/section-Q4> .
