@prefix this: <http://purl.org/np/RAM1hWQyT7EYGh7bM2pfLY1fEtGmDPi0jhmYrxINnlxhk> .
@prefix sub: <http://purl.org/np/RAM1hWQyT7EYGh7bM2pfLY1fEtGmDPi0jhmYrxINnlxhk#> .
@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 fip: <https://w3id.org/fair/fip/terms/> .
@prefix prov: <http://www.w3.org/ns/prov#> .

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

sub:assertion {
  sub:DDI-Codebook a fip:Available-FAIR-Enabling-Resource, fip:FAIR-Enabling-Resource,
      fip:Metadata-schema;
    rdfs:comment "DDI-Codebook is a more light-weight version of the standard, intended primarily to document simple survey data. Originally DTD-based, DDI-C is also available as an XML Schema.";
    rdfs:label "DDI-Codebook|Data Documentation Initiative - Codebook";
    skos:exactMatch <https://ddialliance.org/Specification/DDI-Codebook/2.5/> .
}

sub:provenance {
  sub:assertion prov:wasAttributedTo orcid:0000-0003-2195-3997 .
}

sub:pubinfo {
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtpcftn7kbe6toJbOTDQaCcCssEFSWqt6J4rZ02w+TfY7/eIOgJZYOlpL6G3AzO2RNmVYWRPSlMiykaFuaRuBitvk1GKfGdprfZbvXwmeOxpqCTRBQX9EnFyQyd+Ra/ajfw/UsG8skeu1xnUEpnQbpgbQYc/fvhJNN0UwEc77mOwIDAQAB";
    npx:hasSignature "CqnZFwA/2RN6k8HUVeb6aWHehfzxuoK2XcgeNhbF/mSnXI5cJ3yLjjNGyShptYcVGKYk23tNG+H3rkNr4Yjw8GaOOQWQz42XFBnc6CnzUbIdkoAOQVwvIo9sHT9jeIZ5umuoztQgrP4kDZgB6Abd2kjkva4TQZQcufs4eyV4unY=";
    npx:hasSignatureTarget this: .
  
  this: dct:created "2022-01-15T19:21:30.654+01:00"^^xsd:dateTime;
    dct:creator orcid:0000-0003-2195-3997;
    npx:introduces sub:DDI-Codebook;
    npx:supersedes <http://purl.org/np/RA87Y_FzHpNmNUiye7jXeS1HPCnMEWOkL0VkznVFOVzMg>;
    nt:wasCreatedFromProvenanceTemplate <http://purl.org/np/RANwQa4ICWS5SOjw7gp99nBpXBasapwtZF1fIM3H2gYTM>;
    nt:wasCreatedFromPubinfoTemplate <http://purl.org/np/RAA2MfqdBCzmz9yVWjKLXNbyfBNcwsMmOqcNUxkk1maIM>,
      <http://purl.org/np/RAjpBMlw3owYhJUBo3DtsuDlXsNAJ8cnGeWAutDVjuAuI>;
    nt:wasCreatedFromTemplate <http://purl.org/np/RAhptb1hUg1kQ6LRBLJfBHXVwYbU2Y4SwY9UJg2qkzvpI> .
}