@prefix fabio: <http://purl.org/spar/fabio/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix this: <http://purl.org/np/RAYmRYiNiOFMwMSAASqk2kbRxtqBorOtafISe5v9H4SnE> .
@prefix sub: <http://purl.org/np/RAYmRYiNiOFMwMSAASqk2kbRxtqBorOtafISe5v9H4SnE#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix nt: <https://w3id.org/np/o/ntemplate/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix orcid: <https://orcid.org/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix npx: <http://purl.org/nanopub/x/> .

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

sub:assertion {
  sub:article a nt:ExternalUriPlaceholder, nt:IntroducedResource;
    rdfs:label "DOI of the article (starting with https://doi.org/10...)" .
  
  sub:article-type a nt:RestrictedChoicePlaceholder;
    rdfs:label "The type of the article";
    nt:hasDefaultValue fabio:ScholarlyWork;
    nt:hasRegex "https://doi.org/10.+";
    nt:possibleValue fabio:ResearchPaper, fabio:ScholarlyWork .
  
  sub:assertion a nt:AssertionTemplate, nt:UnlistedTemplate;
    dcterms:description "Such a nanopublication contains the main high-level metadata about a scholarly article, including title, authors, and links to other nanopublications.";
    rdfs:label "Describing core article metadata";
    nt:hasStatement sub:st01;
    nt:hasTag "Journals" .
  
  sub:st01 rdf:object sub:article-type;
    rdf:predicate rdf:type;
    rdf:subject sub:article .
  
  fabio:ResearchPaper rdfs:label "research paper - A scholarly work that reports original research contributions addressing theoretical, analytical or experimental aspects of a particular scholarly domain." .
  
  fabio:ScholarlyWork rdfs:label "scholarly work - A general term that includes all other listed types" .
  
  rdf:type rdfs:label "is a" .
}

sub:provenance {
  sub:assertion prov:wasAttributedTo orcid:0000-0002-1267-0234 .
}

sub:pubinfo {
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjDGQCS1S+SRnERDuYDXOugdYUP0efEquHJEEHAbU/uLzBVlga89zqrNPCS7fBE6lArBUWEmT8eLKdMapyqvAzI1J3jUWTMhDJF+XFBkUiuiFfNSc4vJJcmi0yujtnuzXsRIG202jyaP4f5ULoskFwaZOSBZJfiE0dsB3D7DTIAQIDAQAB";
    npx:hasSignature "WOA0nq6sE5w2LOhXa+dUtzA9fKDJpYb+pHItWlJH1vGmdyTbWQtc4tWkIVzldqkf0RRa7nMnCilW9NtbfZuun/PIzPsiB8nlCCueVQ74EA61E08G9pU067r+LkOs/f3eTBC6AMov9hns76IGoy17rBRNpQXi3l/lNOQ8hLNUSFw=";
    npx:hasSignatureTarget this: .
  
  this: dcterms:created "2023-07-21T07:31:45.517Z"^^xsd:dateTime;
    dcterms:creator orcid:0000-0002-1267-0234;
    dcterms:license <https://creativecommons.org/licenses/by/4.0/>;
    nt:wasCreatedFromProvenanceTemplate <http://purl.org/np/RANwQa4ICWS5SOjw7gp99nBpXBasapwtZF1fIM3H2gYTM>;
    nt:wasCreatedFromPubinfoTemplate <http://purl.org/np/RAA2MfqdBCzmz9yVWjKLXNbyfBNcwsMmOqcNUxkk1maIM>,
      <http://purl.org/np/RAh1gm83JiG5M6kDxXhaYT1l49nCzyrckMvTzcPn-iv90>;
    nt:wasCreatedFromTemplate <http://purl.org/np/RA5awHTBKJwv0iGa1au6zAor35CtkO-ZQDglzUuq8AT88> .
}