@prefix this: <https://w3id.org/np/RAM3r1Fitq-txwkVuWzeQ0FRwXANX9WOAH55FjZP8FGpc> .
@prefix sub: <https://w3id.org/np/RAM3r1Fitq-txwkVuWzeQ0FRwXANX9WOAH55FjZP8FGpc/> .
@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 ns1: <http://purl.org/np/> .
@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 {
  <https://w3id.org/kpxl/gen/terms/hasObserver> rdfs:label "has observer" .
  
  sub:assertion a nt:AssertionTemplate;
    dct:description "The creator of such a nanopublication declares to have participated in the specified event.";
    rdfs:label "Declaring the participation in an event";
    nt:hasNanopubLabelPattern "${resource} has observer: ${user}";
    nt:hasStatement sub:st1;
    nt:hasTag "Events" .
  
  sub:resource a nt:ExternalUriPlaceholder;
    rdfs:label "URI of resource that is observed" .
  
  sub:st1 rdf:object sub:user;
    rdf:predicate <https://w3id.org/kpxl/gen/terms/hasObserver>;
    rdf:subject sub:resource .
  
  sub:user a nt:AgentPlaceholder;
    rdfs:label "choose user";
    nt:hasDefaultValue nt:CREATOR .
}

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 "2026-02-03T15:56:13.019Z"^^xsd:dateTime;
    dct:creator orcid:0000-0002-1267-0234;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:wasCreatedAt <https://nanodash.knowledgepixels.com/>;
    rdfs:label "Declaring the participation in an event";
    nt:wasCreatedFromProvenanceTemplate ns1:RANwQa4ICWS5SOjw7gp99nBpXBasapwtZF1fIM3H2gYTM;
    nt:wasCreatedFromPubinfoTemplate <https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw>,
      <https://w3id.org/np/RAukAcWHRDlkqxk7H2XNSegc1WnHI569INvNr-xdptDGI>;
    nt:wasCreatedFromTemplate <https://w3id.org/np/RASDwdz5WzsWdeDRREs0i5n5xTtKTrKS8pCIFUXhlkpt0> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB";
    npx:hasSignature "FfjEjvLTvDA/RCeU1zeguu5Z3TKsjYSMLBTR5+jvTmUY6sT/o3K7nnBswqUJI3WRrkK4ffnBqoNSEGqo69wPTd9D8APt5kmEfeS6viN0P6M4bnBQR1AdDOUCNLXL19sIeAlP4Di9h/7D5gCkbZXnxGXBczsI0JcDHOIIY3AnxYA=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0002-1267-0234 .
}