@prefix this: <https://w3id.org/np/RAecvUbvUWiIOKP7ZEQk7hnUsb8lWWUr1lRbVN2PsSUSA> .
@prefix sub: <https://w3id.org/np/RAecvUbvUWiIOKP7ZEQk7hnUsb8lWWUr1lRbVN2PsSUSA/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@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:alpha-knowlet a <https://w3id.org/kpxl/grlc/grlc-query>;
    dct:description "All observation FDOs about the Alpha Spike RBD variant — real-world occurrence, computational predictions, experimental DMS, and WHO classification — forming the FAIR Digital Twin knowlet for Alpha. Worked example of a single FDT.";
    dct:license <https://www.apache.org/licenses/LICENSE-2.0>;
    rdfs:label "MAC FDT — Alpha variant digital twin (knowlet)";
    <https://w3id.org/kpxl/grlc/endpoint> <https://w3id.org/np/l/nanopub-query-1.1/repo/full>;
    <https://w3id.org/kpxl/grlc/sparql> """PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX np:   <http://www.nanopub.org/nschema#>
PREFIX npa:  <http://purl.org/nanopub/admin/>
PREFIX npx:  <http://purl.org/nanopub/x/>
PREFIX dct:  <http://purl.org/dc/terms/>
PREFIX fdof: <https://w3id.org/fdof/ontology#>
PREFIX mac:  <https://w3id.org/spaces/mac/r/ontology/>

SELECT ?obs ?type ?label WHERE {
  GRAPH npa:graph {
    ?n1 npa:hasValidSignatureForPublicKey ?pubkey .
    filter not exists {
      ?np2 npx:invalidates ?n1 ;
           npa:hasValidSignatureForPublicKey ?pubkey .
    }
    ?n1 np:hasAssertion ?a .
  }
  graph ?a {
    ?obs mac:isObservationOf <https://w3id.org/np/RA4BHII2Bz7HfpUkaSJqNmhjF8F7hyWpCJnvXYkA4EP_M/Alpha-RBD-Variant> .
    ?obs a ?type .
    FILTER(?type != fdof:FAIRDigitalObject)
    OPTIONAL { ?obs rdfs:label ?label . }
  }
} ORDER BY ?type""" .
}

sub:provenance {
  sub:assertion prov:wasAttributedTo orcid:0000-0001-8888-635X .
}

sub:pubinfo {
  this: dct:created "2026-05-28T10:51:46Z"^^xsd:dateTime;
    dct:creator orcid:0000-0001-8888-635X;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:introduces sub:alpha-knowlet;
    rdfs:label "MAC FDT — Alpha variant digital twin (knowlet)";
    nt:wasCreatedFromProvenanceTemplate <https://w3id.org/np/RA7lSq6MuK_TIC6JMSHvLtee3lpLoZDOqLJCLXevnrPoU>;
    nt:wasCreatedFromPubinfoTemplate <https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw>,
      <https://w3id.org/np/RAMEgudZsQ1bh1fZhfYnkthqH6YSXpghSE_DEN1I-6eAI>, <https://w3id.org/np/RARW4MsFkHuwjycNElvEVtuMjpf4yWDL10-0C5l2MqqRQ>,
      <https://w3id.org/np/RAukAcWHRDlkqxk7H2XNSegc1WnHI569INvNr-xdptDGI>;
    nt:wasCreatedFromTemplate <https://w3id.org/np/RAEFAt-QcFK0ZhqfvlsmS10BnzGJA0xwOICZXkO-ai87k> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD3w/IUb755GIzp3ueODYkgELhyq4Clygb5Kspge50xo+n8uC/IvXwi+ukRjEpdfX/JZ09yKUCJ2AMMr/QchrsP1Xhg9Q3fEZ4E12XqFd5jX00Qs0K5XZwjBaV8NdDTJW9I4gpcyh0cry7hSBAWHkXEkqbK+lQvR4UFAKejFq6u/wIDAQAB";
    npx:hasSignature "lkNqbLQSIUwnugjlgD7vuDjG6zBgFRkpx2BSJ1p74Y8R71S62BuTkYVBwPAkz6r6KUy+0sg8NVw6VflUpoDZ93MWILiD1rmruWNPWN+VGe7r/GWztppmRQlMk84TBZAhGfTz3V1yvUTnqEx2edlLJQBjxrE3/6cik+9D2IyyGcs=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0001-8888-635X .
}