@prefix this: . @prefix sub: . @prefix np: . @prefix dct: . @prefix nt: . @prefix npx: . @prefix xsd: . @prefix rdfs: . @prefix orcid: . @prefix ns1: . @prefix prov: . @prefix foaf: . sub:Head { this: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { a , , ; dct:conformsTo ; dct:description "A Variable has a Constraint, that confines an Entity involved in the observation."; rdfs:domain ; rdfs:label "has constraint"; rdfs:range ; . } sub:provenance { sub:assertion prov:wasAttributedTo orcid:0000-0002-1267-0234; prov:wasDerivedFrom . } sub:pubinfo { orcid:0000-0002-1267-0234 foaf:name "Tobias Kuhn" . this: dct:created "2026-03-16T14:38:38.185Z"^^xsd:dateTime; dct:creator orcid:0000-0002-1267-0234; dct:license ; npx:introduces ; npx:wasCreatedAt ; nt:wasCreatedFromProvenanceTemplate ns1:RAGXx_k9eQMnXaCbsXMsJbGClwZtQEGNg0GVJu6amdAVw; nt:wasCreatedFromPubinfoTemplate , ; nt:wasCreatedFromTemplate . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB"; npx:hasSignature "6nvD0nz+lct39L1PXEAqyMDAAyqQIPK+6bMfyiRu2L84LghHDNdEZJjWeAluxvwb2x4TaKvlBe5KoVO1xIz+AQG5kWPJvO3FFVzo7FdE/oMIOeMpTAQLXYMo0oAsXdkGeiDq07zsZT4SSoynvLHJQczxBDYpcNYDeOH2ZONPvi8="; npx:hasSignatureTarget this:; npx:signedBy orcid:0000-0002-1267-0234 . }