@prefix this: . @prefix sub: . @prefix np: . @prefix dct: . @prefix nt: . @prefix npx: . @prefix xsd: . @prefix rdfs: . sub:Head { this: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { a ; rdfs:isDefinedBy ; rdfs:label "Metadata preservation policy"@en; rdfs:subClassOf , ; "A data policy that describes the conditions under which metadata should be provided in the future."@en; . } sub:provenance { sub:assertion dct:creator , , . } sub:pubinfo { this: dct:created "2026-08-11T17:48:16Z"^^xsd:dateTime; dct:creator , , ; dct:license ; npx:introduces ; npx:supersedes ; nt:wasCreatedFromTemplate . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB"; npx:hasSignature "RH4AU5W4ji3u1gQ6/vY7h001vnWPjH+/kobwCJEY2C0nB0zuoN85dU1kjvPnpY4oKCk/X53rQVyIspauFOL+75/810x5oW7bYA0RI4cHGcZGzui9v8P38eS2AvUKYTML3qagdpFwfDt4TRQm5OEMg3qIBeKTX1rdmdBFCK27dBU="; npx:hasSignatureTarget this:; npx:signedBy . }