@prefix this: <https://w3id.org/np/RAt58NPjKL_Ynfh1ZJJOb4AS9yKdWDFbW8FjXVtXn8vQM> .
@prefix sub: <https://w3id.org/np/RAt58NPjKL_Ynfh1ZJJOb4AS9yKdWDFbW8FjXVtXn8vQM/> .
@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 rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix orcid: <https://orcid.org/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .

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

sub:assertion {
  <http://purl.org/aida/Metadata+in+Crossref+is+incomplete.> a <http://purl.org/petapico/o/hycl#AIDA-Sentence>;
    <http://purl.org/spar/cito/obtainsSupportFrom> <https://doi.org/10.31222/osf.io/smxe5_v2>,
      <https://doi.org/10.5281/zenodo.14931176>;
    <http://schema.org/about> <http://www.wikidata.org/entity/Q180160>, <http://www.wikidata.org/entity/Q5188229>;
    <http://www.w3.org/2004/02/skos/core#related> <https://w3id.org/np/RAkRMrSeiEsEiPM994SCfNLrs5JWwols7BsZV6Agjy2Q8/researchproject> .
}

sub:provenance {
  sub:assertion prov:wasAttributedTo orcid:0000-0001-8249-1752, <https://ror.org/027bh9e22> .
}

sub:pubinfo {
  <http://www.wikidata.org/entity/Q180160> nt:hasLabelFromApi "metadata - data about data" .
  
  <http://www.wikidata.org/entity/Q5188229> nt:hasLabelFromApi "Crossref - one of the official Digital Object Identifier Registration Agencies of the International DOI Foundation" .
  
  orcid:0000-0001-8249-1752 foaf:name "Ludo Waltman" .
  
  <https://w3id.org/np/RAkRMrSeiEsEiPM994SCfNLrs5JWwols7BsZV6Agjy2Q8/researchproject>
    nt:hasLabelFromApi "Analysis of Crossref metadata - This project provides an up-to-date overview of the availability of six metad..." .
  
  this: dct:created "2025-07-24T12:47:57.531Z"^^xsd:dateTime;
    dct:creator orcid:0000-0001-8249-1752;
    dct:license <https://creativecommons.org/publicdomain/zero/1.0/>;
    npx:hasNanopubType <http://purl.org/petapico/o/hycl#AIDA-Sentence>, <http://purl.org/petapico/o/hycl>;
    npx:introduces <http://purl.org/aida/Metadata+in+Crossref+is+incomplete.>;
    npx:wasCreatedAt <https://nanodash.knowledgepixels.com/>;
    rdfs:label "AIDA sentence: Metadata in Crossref is incomplete.";
    nt:wasCreatedFromProvenanceTemplate <https://w3id.org/np/RAW4qDSeYWgZwQDIPBOKlaCoSQiLZeavVCNsJMCcpU3kY>;
    nt:wasCreatedFromPubinfoTemplate <https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw>,
      <https://w3id.org/np/RAukAcWHRDlkqxk7H2XNSegc1WnHI569INvNr-xdptDGI>;
    nt:wasCreatedFromTemplate <https://w3id.org/np/RALmXhDw3rHcMveTgbv8VtWxijUHwnSqhCmtJFIPKWVaA> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0s8+lcdcEgfA6uBE3wJW/EEG6y5dzF/k249EdZQ3teyGI1uRhSCRiuYWFUHRGdo5m/Ey99bJB4dLYBPaX5N4m4YC/4vIrUUKPuzuZsujTlhpugvv2E74X+bV+yRF7i1f7B8mosbcAYXLyUC96ZPiB0eQgAsGVikp1h+PAk9NisgX6V6b/+Yk2iwT6X+naFnPjamfIzUT7dOXdnTn8qjQroLw4FA1QXF8TzMDL0z2STIsBW6rv5HOMxYwaEmFdP5GWUMkqOnlGPinhyNS2tabl+16qedPGbvV/uKLOwz7Xdu9lzhXLtDjuOlE/Ki0mMX5IuqqLtVcZJV4lsCQrd9UwQIDAQAB";
    npx:hasSignature "ZvKmk2YHUe8SBUeHuREE1VXKTtECPn17/oynkKilAL8rXh3crxbEvREyAnxGDHd5na1NsmlFxw/2KSjrugnFzZxIGRsqOcqsrs7/Qx32av7wAS1pzvgYjjw0TqclJTnzIltNcQZG3wBXR7ukGLbVzWRDrXJ8tFDraeRP8FNxslnL6s7ODGCVsJHJpFWE1fR25KoaKv6/QH3qGrBUNi+BTi0EEwZ/x/AdpErDUg+rakMTPXeaHQXhD2lr4iqC9jrMthVJ+uGUuLiovpfK9i791FmfLlu1MewAq8CtnlQBY+FC6GqlY0MgnRFb1j/WHzsnc5g96aUfjLIMO+x66oFXbw==";
    npx:hasSignatureTarget this:;
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}