@prefix this: . @prefix sub: . @prefix np: . @prefix pav: . @prefix authority: . @prefix npx: . @prefix xsd: . @prefix p-plan: . @prefix prov: . @prefix dc: . sub:Head { this: np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubInfo; a np:Nanopublication . } sub:assertion { sub:step dc:description "Spin 10 min at 3,000 x g, 4 °C (4,500 rpm JS13.1), discard supernatant"; a p-plan:Step . } sub:provenance { sub:assertion pav:createdWith ; prov:generatedAtTime "2021-01-26T22:33:24.922002"^^xsd:dateTime; prov:wasAttributedTo . } sub:pubInfo { sub:assertion prov:wasDerivedFrom authority:YUW8QmBOEeujUHsFXbqZSQ . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEOtYac15zsWN/LAu3q7YFdW0UZNfX3BAarHW/LB1DHGcz0yYr0v7hKGbnCLJ+UkDfu3Mgj7BnCm1s8ulMULKfF4YjqS2YKHYZjNKVaIjSigFOpjOwIx99+qPlvd5CuG+Gia/sJA05jy2bPKLwb/kmVeeX0zORZudWLyRMLXp8UQIDAQAB"; npx:hasSignature "af6QQkGKqJm5a9KTgc/Bzg+Mx4LkrauGuhMQ8k6+YtztO2GVRzCt+rfcxSYvNgYz4Ggc9FURPvA6NmQQM8JQw3dUS4G9EAD1cyRMQEHjcQAVHd8Plw9CRJoomOFEKihNxzocr9rFr2jWmC5IZe7nWpRMOAf5L9GtIzceH6xNVPk="; npx:hasSignatureTarget this: . this: npx:introduces sub:step; prov:generatedAtTime "2021-01-26T22:33:24.922002"^^xsd:dateTime; prov:wasAttributedTo . }