. . . . "This query returns the owners of a given unit." . . . "Get owners" . . "prefix rdfs: \r\nprefix dct: \r\nprefix np: \r\nprefix npa: \r\nprefix npx: \r\nprefix gen: \r\n\r\nselect ?owner ?np ?pubkeyhash ?date where {\r\n graph npa:graph {\r\n ?np npa:hasValidSignatureForPublicKeyHash ?pubkeyhash .\r\n filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkeyhash . }\r\n ?np dct:created ?date .\r\n ?np np:hasAssertion ?a .\r\n }\r\n graph ?a {\r\n ?_unit_iri gen:hasOwner ?owner .\r\n }\r\n}" . . "Tobias Kuhn" . "2025-09-10T11:43:38.298+02:00"^^ . . . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB" . "nAIb4gTUSbXjLZVyzTqOIGfB2tacW5HZVtj5pxbF7gV/cDwVLXGzGlavKiYDUzCFrVRikVMp1r9RtTs4kBcsqGEN5mP7sTe1My6apm7XhkETAiL5osx35GQFoKeDmKKKTZffwFFXr0M+jID9gC99JdwK4p1M5cs/MzXksZ5U1zs=" . . .