. . . . "This query returns all participation links." . . . "Get participation links" . . "prefix rdfs: \r\nprefix dct: \r\nprefix np: \r\nprefix npa: \r\nprefix npx: \r\n\r\nselect ?subj ?obj ?np ?date where {\r\n graph npa:graph {\r\n ?np npa:hasValidSignatureForPublicKey ?pubkey .\r\n filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?pubkey . }\r\n ?np dct:created ?date .\r\n ?np np:hasAssertion ?a .\r\n optional { ?np rdfs:label ?label }\r\n }\r\n graph ?a {\r\n ?subj ?obj .\r\n }\r\n}" . . "Tobias Kuhn" . "2025-06-02T12:47:20.399Z"^^ . . . . . . . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQD4Wj537OijfOWVtsHMznuXKISqBhtGDQZfdO6pbb4hg9EHMcUFGTLbWaPrP783PHv8HMAAPjvEkHLaOHMIknqhaIa5236lfBO3r+ljVdYBElBcLvROmwG+ZGtmPNZf7lMhI15xf5TfoaSa84AFRd5J2EXekK6PhaFQhRm1IpSYtwIDAQAB" . "gCj5c7O2DP+GxzuqO7VCo7v8LFvO4ChL062TXwBHNmgTFMPdTfHfw9smZFfFAPD3tvw/IRe8bueTrgpnvvgkqYLqC5YEQ2NeXHW0yE9/qvE4bPZ6LVsRGIC+eK+Fxw+1s8pF+soHh9JHLaGQUpIEC9DWWvPd5tc8YCOxpodbdTk=" . . .