. . . . "Multi-placeholder test" . . . "Multi-placeholder test" . . "prefix rdfs: \r\nprefix np: \r\nprefix npa: \r\nprefix npx: \r\nprefix xsd: \r\nprefix dct: \r\n\r\nselect ?np ?label ?date where {\r\n graph npa:graph {\r\n values ?_type_multi_iri {}\r\n ?np npx:hasNanopubType ?_type_multi_iri .\r\n ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .\r\n filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . }\r\n ?np dct:created ?date .\r\n optional { ?np rdfs:label ?label }\r\n }\r\n}\r\norder by desc(?date)\r\nlimit 100" . . "Tobias Kuhn" . "2025-09-16T11:11:22.875Z"^^ . . . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCjDGQCS1S+SRnERDuYDXOugdYUP0efEquHJEEHAbU/uLzBVlga89zqrNPCS7fBE6lArBUWEmT8eLKdMapyqvAzI1J3jUWTMhDJF+XFBkUiuiFfNSc4vJJcmi0yujtnuzXsRIG202jyaP4f5ULoskFwaZOSBZJfiE0dsB3D7DTIAQIDAQAB" . "SZPddUbfXQpvyeubQBqsHA1NDVDtdGethE6jj6RLgShqTVvzVxOTWaqUSPR1Cexqormsop15tQN/B7qyyiHksiqXkaaNWyVTWgGyj01kvOJhl2Ue5YQweLeuSRGVJjerNkeDVuSqe9olkSTSBJ7yGl4FDbkzaOBVdZN9YnuBiaQ=" . . .