@prefix ns1: <http://purl.org/dc/terms/> .
@prefix orcid: <https://orcid.org/> .
@prefix this: <http://purl.org/np/RAThqxk3UVIsz9vXl6MRYVnvBhuEXi_zvVnoxIVl_H16w> .
@prefix sub: <http://purl.org/np/RAThqxk3UVIsz9vXl6MRYVnvBhuEXi_zvVnoxIVl_H16w#> .
@prefix bpmn: <http://dkm.fbk.eu/index.php/BPMN2_Ontology#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@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: a np:Nanopublication;
    np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubInfo .
}

sub:assertion {
  sub:a a "float", pplan:Variable;
    rdfs:label "a" .
  
  sub:b a "float", pplan:Variable;
    rdfs:label "b" .
  
  sub:step a bpmn:ScriptTask, pplan:Step;
    ns1:description """@is_fairstep(label='Subtraction')
def sub(a: float, b: float) -> float:
    \"\"\"Subtracting numbers.\"\"\"
    return a - b
""";
    pplan:hasInputVar sub:a, sub:b;
    pplan:hasOutputVar sub:sub-output1;
    rdfs:label "Subtraction" .
  
  sub:sub-output1 a "float", pplan:Variable;
    rdfs:label "sub-output1" .
}

sub:provenance {
  sub:assertion prov:generatedAtTime "2021-01-26T09:41:48.637350"^^xsd:dateTime .
}

sub:pubInfo {
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCOqbrPT5RmzxsvRXGHZSAXPzeRLt9ogiosL3tcPKC0g5J8B1577lnJ3oVKSfD80lgPJdr9K671RazGL/mkZ/yu/uCNqne07Q9jd6OIAEi3fldiVfGK8ZDh43rGWRuG+BlvbZ1lZRFrWsURTKTpMgh0C6vJFRIMkWH6ImbZC5JbbQIDAQAB";
    npx:hasSignature "eDTQMHQP4tV7fdbnkZYYw7EgrZSO9LdXW6YjzjOJifq5fEdWKVsquyCdUGs5OlqTupbJFg6Kl2yO+4xoaDRwBkMqkXszfz8L+3Ppntl2XfYRoY4OF1ePP0g/8B9j3ycPv5lyrkkFaXx1eU6C0MAYua97himm1P/zHuCxcM+InwU=";
    npx:hasSignatureTarget this: .
  
  this: npx:introduces sub:step;
    prov:generatedAtTime "2021-01-26T09:41:48.637350"^^xsd:dateTime;
    prov:wasAttributedTo orcid:0000-0001-7769-4272 .
}