@prefix this: <http://purl.org/np/RAT2hzokNz8N88kuZNH0hXYQ17vW0eF1uVB4vaApNQvW4> .
@prefix sub: <http://purl.org/np/RAT2hzokNz8N88kuZNH0hXYQ17vW0eF1uVB4vaApNQvW4#> .
@prefix schema: <https://schema.org/> .
@prefix bpmn: <http://dkm.fbk.eu/index.php/BPMN2_Ontology#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dc1: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix pplan: <http://purl.org/net/p-plan#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@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:LinguisticSystem a schema:ComputerLanguage;
    rdfs:label "python";
    rdfs:seeAlso <https://www.wikidata.org/wiki/Q28865>;
    owl:versionInfo "3.7.9.final.0" .
  
  sub:background a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "background" .
  
  sub:foreground a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "foreground" .
  
  sub:out1 a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "out1" .
  
  sub:step dc1:description """@is_fairstep(label='Blend two images')
def combine(background, foreground): return Image.blend(background, foreground, alpha=0.6)
""";
    dc1:language sub:LinguisticSystem;
    pplan:hasInputVar sub:background, sub:foreground;
    pplan:hasOutputVar sub:out1;
    a bpmn:ScriptTask, pplan:Step;
    rdfs:label "Blend two images" .
}

sub:provenance {
  sub:assertion prov:generatedAtTime "2021-06-14T14:25:31.527029"^^xsd:dateTime .
}

sub:pubInfo {
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCD0/NXW4aH07lWeqN00hKVsQFT8IArmlwRKAY8IFGV9ijOcjMkxlyXUp3v6tin5/cC4/HgVcv8mEPdCTbIFbnyLf1KmEgLvWs7SE7wIpQFhG79ptwaH3AVfP+BxIZyCXpTIGAV3Fu56yNEyn4nZZELS03O20D9WXDVD7le3RKzUQIDAQAB";
    npx:hasSignature "S4AMbX5cTQomDhxWCqhiaDfrQd5/smWznb0XLfW4L2z14z4JHxl0VrGDiSSpf2NhleSZIWhNzF0pYfGaZFkfwin7SYjgQy6QUANqn0uMtHg1eb9Oeq0hyQQ1eiBmiYeD71nqvh+2ROM/9vMexYUFDtwHFNCJSf2FqQeTFU/VGK8=";
    npx:hasSignatureTarget this: .
  
  this: npx:introduces sub:step;
    prov:generatedAtTime "2021-06-14T14:25:31.527029"^^xsd:dateTime;
    prov:wasAttributedTo <https://orcid.org/0000-0000-0000-0000> .
}