@prefix this: <https://w3id.org/np/o/ntemplate/np/ValuePlaceholder/RAXIAmdM3IXiFVz0KZiq1EnzYgB9nQzTWpLLQEEsk5-wk> .
@prefix sub: <https://w3id.org/np/o/ntemplate/np/ValuePlaceholder/RAXIAmdM3IXiFVz0KZiq1EnzYgB9nQzTWpLLQEEsk5-wk/> .
@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/ValuePlaceholder> .
sub:Head {
  this: np:hasAssertion sub:assertion ;
    np:hasProvenance sub:provenance ;
    np:hasPublicationInfo sub:pubinfo ;
    a np:Nanopublication .
}
sub:assertion {
  nt:ValuePlaceholder rdfs:isDefinedBy latest: ;
    rdfs:label "Value Placeholder"@en ;
    rdfs:subClassOf nt:Placeholder ;
    skos:definition "A placeholder that stands for any RDF value (of a possibly restricted set of values), including URIs and literals."@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/ValuePlaceholder/RAo76h829Mtofc_02wzPIVW1GTEwlXcUzEXhT_lo7hio0> .
  sub:sig npx:hasAlgorithm "RSA" ;
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB" ;
    npx:hasSignature "q3M4KyzcYA6GqngySBC6UMoUJ6YAA0EDmQNQVXTMD559Yu+YH0hEH49gVLU6cknoaqPZpDmqgRCB8nfgSoSwUdQRVKE1GiTaWlEoYUHjvWQtwt2br3ALIQu4QQCWF7+3zb9wdsiCbXPz78Xyn8xwT+zAStQaKeLcV0jL8gQsKDU=" ;
    npx:hasSignatureTarget this: .
}