@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/transactionId> a owl:DatatypeProperty ;
    rdfs:label "transaction ID" ;
    skos:definition "Identifies a property transaction by its externally assigned PDTF identifier, a UUID also carried on onward-purchase chain links." ;
    rdfs:comment "External transaction identifier (the PDTF transaction id; also carried on onward-purchase chain links). Plain string datatype per ODR-0008 §Q5a; flat per §Q6a. Complements the opda:Transaction IC's transaction-id-lineage (ODR-0007 §Q1) — the notation surface for the identifier." ;
    rdfs:domain <https://opda.org.uk/pdtf/Transaction> ;
    rdfs:range xsd:string ;
    dct:source <https://opda.org.uk/pdtf/harness/data-dictionary/chain.onwardPurchase%5B%5D.transactionId> ;
    dct:source <https://opda.org.uk/pdtf/harness/data-dictionary/transactionId> .

# one hop — immediate neighbours
<https://opda.org.uk/pdtf/Transaction> a owl:Class .