@prefix this: <https://w3id.org/np/RA9gIRwHxnN_YmLyYwwtAu7Uh4vUvvg_7YTfkOwfp6hVQ> .
@prefix sub: <https://w3id.org/np/RA9gIRwHxnN_YmLyYwwtAu7Uh4vUvvg_7YTfkOwfp6hVQ/> .
@prefix schema: <http://schema.org/> .
@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#> .
@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 {
  schema:ReadAction rdfs:label "read action" .
  
  schema:agent rdfs:label "has reader" .
  
  schema:endTime rdfs:label "has read date" .
  
  schema:object rdfs:label "has the read item" .
  
  rdf:type rdfs:label "is a" .
  
  rdfs:comment rdfs:label "has comment" .
  
  rdfs:label rdfs:label "has the label" .
  
  sub:assertion a nt:AssertionTemplate;
    dct:description "The creator of such a nanopublication declares to have read a specific item (paper, book, article, etc.).";
    rdfs:label "Declaring to have read something";
    nt:hasNanopubLabelPattern "Read: ${label}";
    nt:hasStatement sub:st1, sub:st2, sub:st3, sub:st4, sub:st5, sub:st6;
    nt:hasTag "Reading";
    nt:hasTargetNanopubType schema:ReadAction .
  
  sub:comment a nt:LongLiteralPlaceholder;
    rdfs:label "comment or note about the reading" .
  
  sub:item a nt:ExternalUriPlaceholder;
    rdfs:label "URI of the read item (e.g. DOI URL)" .
  
  sub:label a nt:LiteralPlaceholder;
    rdfs:label "short label (e.g. 'Doe et al. 2024')" .
  
  sub:readDate a nt:LiteralPlaceholder;
    rdfs:label "date read (YYYY, YYYY-MM, or YYYY-MM-DD)";
    nt:hasRegex "[0-9]{4}(-[0-9]{2}(-[0-9]{2})?)?" .
  
  sub:readaction a nt:IntroducedResource, nt:LocalResource;
    rdfs:label "this" .
  
  sub:reader a nt:AgentPlaceholder;
    rdfs:label "who read it";
    nt:hasDefaultValue nt:CREATOR .
  
  sub:st1 rdf:object schema:ReadAction;
    rdf:predicate rdf:type;
    rdf:subject sub:readaction .
  
  sub:st2 rdf:object sub:item;
    rdf:predicate schema:object;
    rdf:subject sub:readaction .
  
  sub:st3 rdf:object sub:label;
    rdf:predicate rdfs:label;
    rdf:subject sub:item .
  
  sub:st4 rdf:object sub:reader;
    rdf:predicate schema:agent;
    rdf:subject sub:readaction .
  
  sub:st5 a nt:OptionalStatement;
    rdf:object sub:readDate;
    rdf:predicate schema:endTime;
    rdf:subject sub:readaction .
  
  sub:st6 a nt:OptionalStatement;
    rdf:object sub:comment;
    rdf:predicate rdfs:comment;
    rdf:subject sub:readaction .
}

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

sub:pubinfo {
  orcid:0000-0002-1267-0234 foaf:name "Tobias Kuhn" .
  
  this: dct:created "2026-04-07T16:05:07Z"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:supersedes <https://w3id.org/np/RABlU0fGwHEsWeb0LQEUP3nNGqoLo_wSOqveZ4sGTyN-s>;
    rdfs:label "Declaring to have read something";
    nt:wasCreatedFromProvenanceTemplate <https://w3id.org/np/RA7lSq6MuK_TIC6JMSHvLtee3lpLoZDOqLJCLXevnrPoU>;
    nt:wasCreatedFromPubinfoTemplate <https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw>,
      <https://w3id.org/np/RAoTD7udB2KtUuOuAe74tJi1t3VzK0DyWS7rYVAq1GRvw>, <https://w3id.org/np/RAukAcWHRDlkqxk7H2XNSegc1WnHI569INvNr-xdptDGI>;
    nt:wasCreatedFromTemplate <https://w3id.org/np/RASDwdz5WzsWdeDRREs0i5n5xTtKTrKS8pCIFUXhlkpt0> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB";
    npx:hasSignature "MQET15MuZqAPNVHjDQrGTWJuP4B44yeIFPcE07gV8pyAq50WyGOqurLoZ88IyhnolIC5PA735LQFYQUR4+oPCz/GXH+IU5NpedWNqeBLzEbVSaDAgGlBqTx/w68jUVh68gV7/bAMc3AC2mSNEMmx+mZ6PK/zJETcMxrluPNBH30=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0002-1267-0234 .
}