@prefix this: <https://w3id.org/np/RAV5vQFtYT3K0KDCq2F6tbTRc_4cZaD9wk6KBp-umFoFM> .
@prefix sub: <https://w3id.org/np/RAV5vQFtYT3K0KDCq2F6tbTRc_4cZaD9wk6KBp-umFoFM/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@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 mac: <https://w3id.org/spaces/mac/r/ontology/> .
@prefix npx: <http://purl.org/nanopub/x/> .

sub:Head {
  this: a np:Nanopublication;
    np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo .
}

sub:assertion {
  mac:isObservationOf a owl:ObjectProperty;
    dct:partOf mac:MAC-Ontology;
    rdfs:comment "Asserts that this observation FDO records a measured, predicted, or recorded property of the referent identified by the object URI. Used by Types 2–8 to link each observation to the central anchor FDO of the FAIR Digital Twin, making the anchor the hub of the knowlet topology. The object URI is the referent URI (i.e., the `sub:fdo` identifier declared by the anchor nanopublication), not the Trusty URI of the anchor itself.";
    rdfs:domain mac:Observation;
    rdfs:label "is observation of";
    rdfs:range mac:SpikeRBDVariant .
}

sub:provenance {
  sub:assertion dct:created "2026-05-22"^^xsd:date;
    prov:wasAttributedTo orcid:0000-0001-8888-635X .
}

sub:pubinfo {
  this: dct:created "2026-05-26T12:32:10Z"^^xsd:dateTime;
    dct:creator orcid:0000-0001-8888-635X;
    dct:license <https://creativecommons.org/licenses/by/4.0/>;
    rdfs:label "Vocabulary term: mac:isObservationOf" .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD3w/IUb755GIzp3ueODYkgELhyq4Clygb5Kspge50xo+n8uC/IvXwi+ukRjEpdfX/JZ09yKUCJ2AMMr/QchrsP1Xhg9Q3fEZ4E12XqFd5jX00Qs0K5XZwjBaV8NdDTJW9I4gpcyh0cry7hSBAWHkXEkqbK+lQvR4UFAKejFq6u/wIDAQAB";
    npx:hasSignature "aCypHelDnlA/eCU6rWQ5gdaVYnxUIIs4LcpUtaHGvvUBVmwJ8XYei4nPJbnb3B7FogkIQjP4TG52PQSdD/kFjumXIxatFL6/aoWwk00NIzjV97fo2cnZcdeVZnzjf89dWA2gnrhoLEDuyt8+DMZkQTThhI6/DRQuDM/pIYCHan4=";
    npx:hasSignatureTarget this:;
    npx:signedBy orcid:0000-0001-8888-635X .
}