@prefix vann: <http://purl.org/vocab/vann/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix this: <https://w3id.org/np/o/ntemplate/np/UriPlaceholder/RAeqXfy_hJNv2mkj2dozJl2ct71WkoIgU0Q1rcFQpDIfY> .
@prefix sub: <https://w3id.org/np/o/ntemplate/np/UriPlaceholder/RAeqXfy_hJNv2mkj2dozJl2ct71WkoIgU0Q1rcFQpDIfY/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix nt: <https://w3id.org/np/o/ntemplate/> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix orcid: <https://orcid.org/> .
@prefix latest: <https://w3id.org/np/o/ntemplate/latest/UriPlaceholder> .

sub:Head {
  this: a np:Nanopublication;
    np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo .
}

sub:assertion {
  nt:UriPlaceholder rdfs:isDefinedBy latest:;
    rdfs:label "URI Placeholder"@en;
    rdfs:subClassOf nt:ValuePlaceholder;
    skos:definition "A placeholder that stands for any URI (of a possibly restricted set of URIs)."@en .
}

sub:provenance {
  sub:assertion dct:creator orcid:0000-0002-1267-0234 .
}

sub:pubinfo {
  this: dct:created "2025-05-15T08:31:03.900+02:00"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    dct:license <https://creativecommons.org/publicdomain/zero/1.0/>;
    npx:introduces nt:UriPlaceholder;
    npx:supersedes <https://w3id.org/np/o/ntemplate/np/UriPlaceholder/RAAH1htZ2F8qzParnM2FTArO0dSEpZ0mNpPtsbrhSKuPU> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB";
    npx:hasSignature "SG7aJMREoZH+Fa0ov3GDMyASg4bCgjhRHivKYPK3cPjUAA+wIP06aV1zyXidPpeEkTS/BFec9Awz5YWffczMpecCkOH0d9aSXjoi3SMLaSkq9Yua5rtguax6xajNseRQWCrk20pkD+N1JJFdrttN5/iMA8Uusy+2eV9XoBnbEZ4=";
    npx:hasSignatureTarget this: .
}