@prefix this: . @prefix sub: . @prefix np: . @prefix ex: . @prefix xsd: . @prefix prov: . @prefix dc: . @prefix npx: . sub:Head { this: np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo; a np:Nanopublication . } sub:assertion { sub:assertion ex:text "test test 4" . } sub:provenance { sub:assertion prov:wasDerivedFrom ex: . } sub:pubinfo { sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB"; npx:hasSignature "P6ngvxxMoGeJbUXqoynEC3mlz/Mmqm0UkYmZq42q+endVxSR8I9SMzbGkUf42BceEFK+6SYLaBPgKz9TLI9da+X0i+YlbVWUkp27SqBAfYt9H9w7Inq7rYqIi9vD+s1d2ktjwg4l3Uj04rzfzM9dQxBkWQ2yVhUgngDWafAbef4="; npx:hasSignatureTarget this: . this: dc:created "2025-01-01T00:00:00.000+02:00"^^xsd:dateTime; dc:creator ; a npx:ExampleNanopub . }