@prefix ns1: <http://purl.org/np/> .
@prefix this: <http://purl.org/np/RAFLFFcqY0Xpknr0lbHmBrj7iP-SgYrC2XStP_VZwUHU0> .
@prefix sub: <http://purl.org/np/RAFLFFcqY0Xpknr0lbHmBrj7iP-SgYrC2XStP_VZwUHU0#> .
@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 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#> .

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

sub:assertion {
  sub:assertion a nt:AssertionTemplate;
    rdfs:label "Announcing a paper that I have read";
    nt:hasStatement sub:st1, sub:st2;
    nt:hasTag "Social";
    nt:hasTargetNanopubType <http://purl.org/petapico/o/paperclub#hasRead> .
  
  sub:comment a nt:LiteralPlaceholder;
    rdfs:label "comment text" .
  
  sub:paper a nt:UriPlaceholder;
    rdfs:label "DOI for the paper starting with '10.'";
    nt:hasPrefix "https://doi.org/";
    nt:hasPrefixLabel "the paper with DOI";
    nt:hasRegex "10.(\\d)+/(\\S)+" .
  
  sub:st1 a rdf:Statement;
    rdf:object sub:paper;
    rdf:predicate <http://purl.org/petapico/o/paperclub#hasRead>;
    rdf:subject nt:CREATOR;
    nt:statementOrder "1" .
  
  sub:st2 a nt:OptionalStatement;
    rdf:object sub:comment;
    rdf:predicate rdfs:comment;
    rdf:subject sub:paper;
    nt:statementOrder "2" .
  
  <http://purl.org/petapico/o/paperclub#hasRead> rdfs:label "have read the paper" .
  
  rdfs:comment rdfs:label "has my comment" .
}

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 "CXDCAFKJhvQ7CnZMlcX/p/Q1KL9NiVB33oGHmR7orZsYhWB3Lt31/M0Ss6aPbmUjgqf1IbP83A2SsoFgC3+GIv5CbJ5tngunwGLREiNqTNQf3h6+kE1AA+z2HXnr3jX2xeltZx0hMgpHCFB//6USyT5tcli2oKW6M7btj96h1Oo=";
    npx:hasSignatureTarget this: .
  
  this: dct:created "2023-08-07T14:54:27.852+02:00"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:supersedes ns1:RA2mB2TB0r400hYfSqg-iEADibElEZuxdIa5lIN-0MubA;
    nt:wasCreatedFromProvenanceTemplate ns1:RANwQa4ICWS5SOjw7gp99nBpXBasapwtZF1fIM3H2gYTM;
    nt:wasCreatedFromPubinfoTemplate ns1:RAA2MfqdBCzmz9yVWjKLXNbyfBNcwsMmOqcNUxkk1maIM,
      ns1:RAh1gm83JiG5M6kDxXhaYT1l49nCzyrckMvTzcPn-iv90, ns1:RAjpBMlw3owYhJUBo3DtsuDlXsNAJ8cnGeWAutDVjuAuI;
    nt:wasCreatedFromTemplate ns1:RAcWdTxuDiVS_r3AtyI1TlF6_0oiGqUs75JsK6JTfQzsQ .
}