@prefix this: <http://purl.org/np/RAaWEe6MBUcFDw2Chfh9JmN41s3Ne7-XAJWNnlzzqpzWo> .
@prefix sub: <http://purl.org/np/RAaWEe6MBUcFDw2Chfh9JmN41s3Ne7-XAJWNnlzzqpzWo#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@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: np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo;
    a np:Nanopublication .
}

sub:assertion {
  sub:assertion a nt:AssertionTemplate;
    rdfs:label "Announcing a nanopub service";
    nt:hasStatement sub:st0 .
  
  sub:class a nt:GuidedChoicePlaceholder;
    rdfs:label "the URI of the nanopub service class";
    nt:possibleValuesFromApi "http://purl.org/nanopub/api/find_valid_signed_things?type=http%3A%2F%2Fpurl.org%2Fnanopub%2Fx%2F&searchterm=" .
  
  sub:service a nt:IntroducedResource, nt:UriPlaceholder;
    rdfs:label "the URL of the nanopub service" .
  
  sub:st0 rdf:object sub:class;
    rdf:predicate rdf:type;
    rdf:subject sub:service .
  
  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 "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB";
    npx:hasSignature "STUSHaUH4Dm4LxyPysZUNYbXerwGhXHKlooIOglZp/TKINyZstZ6IptDsfs9lRh8mdVFzZldk4Bm0jHAdYCGFWqudXprPM161D0muGy688hIwEWyCi2DjAWW0a5VamqdzUwjP+L8lwYd+u6CrtpseYVEc3hht4ZrbGsMHZmqfl8=";
    npx:hasSignatureTarget this: .
  
  this: dct:created "2022-01-12T07:50:40.510+01:00"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    nt:wasCreatedFromProvenanceTemplate <http://purl.org/np/RANwQa4ICWS5SOjw7gp99nBpXBasapwtZF1fIM3H2gYTM>;
    nt:wasCreatedFromPubinfoTemplate <http://purl.org/np/RAA2MfqdBCzmz9yVWjKLXNbyfBNcwsMmOqcNUxkk1maIM>;
    nt:wasCreatedFromTemplate <http://purl.org/np/RA1eIzGmwi8vumqb17c4t351tspV1H-e5vuK9D8MUu5GU> .
}