[
    {
        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/provenance",
        "@graph": [
            {
                "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/assertion",
                "http://www.w3.org/ns/prov#wasAttributedTo": [
                    {
                        "@id": "https://orcid.org/0000-0002-1267-0234"
                    }
                ]
            }
        ]
    },
    {
        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/Head",
        "@graph": [
            {
                "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0",
                "http://www.nanopub.org/nschema#hasAssertion": [
                    {
                        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/assertion"
                    }
                ],
                "http://www.nanopub.org/nschema#hasProvenance": [
                    {
                        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/provenance"
                    }
                ],
                "http://www.nanopub.org/nschema#hasPublicationInfo": [
                    {
                        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/pubinfo"
                    }
                ],
                "@type": [
                    "http://www.nanopub.org/nschema#Nanopublication"
                ]
            }
        ]
    },
    {
        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/assertion",
        "@graph": [
            {
                "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/get-presentations-for-event",
                "http://purl.org/dc/terms/description": [
                    {
                        "@value": "Returns all presentations of the given event, with label, date, time, location, presenter, and nanopub link. Only the latest non-invalidated nanopub per presentation URI is shown, so overriding nanopublications replace earlier versions."
                    }
                ],
                "http://purl.org/dc/terms/license": [
                    {
                        "@id": "http://www.apache.org/licenses/LICENSE-2.0"
                    }
                ],
                "@type": [
                    "https://w3id.org/kpxl/grlc/grlc-query"
                ],
                "http://www.w3.org/2000/01/rdf-schema#label": [
                    {
                        "@value": "Get presentations for event"
                    }
                ],
                "https://w3id.org/kpxl/grlc/endpoint": [
                    {
                        "@id": "https://w3id.org/np/l/nanopub-query-1.1/repo/type/3952cad1a6d2561f045d33e5e79c03e7264b0a492b8becf6c62656c596cf398c"
                    }
                ],
                "https://w3id.org/kpxl/grlc/sparql": [
                    {
                        "@value": "prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>\nprefix dct: <http://purl.org/dc/terms/>\nprefix np: <http://www.nanopub.org/nschema#>\nprefix npa: <http://purl.org/nanopub/admin/>\nprefix npx: <http://purl.org/nanopub/x/>\nprefix wd: <http://www.wikidata.org/entity/>\nprefix schema: <https://schema.org/>\n\nselect ?presentation ?presentation_label ?date ?time ?location ?speaker ?np (\"^\" as ?np_label) (?np as ?override_target) where {\n  graph npa:graph {\n    ?np npa:hasValidSignatureForPublicKeyHash ?pubkey .\n    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKeyHash ?pubkey . }\n    filter not exists { ?np npx:hasNanopubType npx:ExampleNanopub . }\n    ?np dct:created ?npdate .\n    ?np np:hasAssertion ?a .\n    ?np npx:introduces ?presentation .\n  }\n  {\n    select ?presentation (max(?npdate2) as ?latestdate) where {\n      graph npa:graph {\n        ?np2 npa:hasValidSignatureForPublicKeyHash ?pubkey2 .\n        filter not exists { ?npx2 npx:invalidates ?np2 ; npa:hasValidSignatureForPublicKeyHash ?pubkey2 . }\n        filter not exists { ?np2 npx:hasNanopubType npx:ExampleNanopub . }\n        ?np2 dct:created ?npdate2 .\n        ?np2 npx:introduces ?presentation .\n      }\n    } group by ?presentation\n  }\n  filter(?npdate = ?latestdate)\n  values ?_event_multi_iri {}\n  graph ?a {\n    ?presentation a wd:Q604733 .\n    ?presentation dct:isPartOf ?_event_multi_iri .\n    ?presentation wd:P823 ?speaker .\n  }\n  optional { graph ?a { ?presentation rdfs:label ?presentation_label . } }\n  optional { graph ?a { ?presentation dct:date ?olddate . } }\n  optional { graph ?a { ?presentation schema:startDate ?startDate . } }\n  optional { graph ?a { ?presentation schema:endDate ?endDate . } }\n  optional { graph ?a { ?presentation schema:location ?location . } }\n  bind(coalesce(strbefore(str(?startDate), \"T\"), str(?olddate)) as ?date)\n  bind(substr(strafter(str(?startDate), \"T\"), 1, 5) as ?starttime)\n  bind(substr(strafter(str(?endDate), \"T\"), 1, 5) as ?endtime)\n  bind(coalesce(concat(?starttime, \"\\u2013\", ?endtime), ?starttime) as ?time)\n  bind(coalesce(str(?startDate), str(?olddate)) as ?sortkey)\n} order by desc(?sortkey)"
                    }
                ]
            }
        ]
    },
    {
        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/pubinfo",
        "@graph": [
            {
                "@id": "https://orcid.org/0000-0002-1267-0234",
                "http://xmlns.com/foaf/0.1/name": [
                    {
                        "@value": "Tobias Kuhn"
                    }
                ]
            },
            {
                "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0",
                "http://purl.org/dc/terms/created": [
                    {
                        "@value": "2026-08-19T14:15:40Z",
                        "@type": "http://www.w3.org/2001/XMLSchema#dateTime"
                    }
                ],
                "http://purl.org/dc/terms/creator": [
                    {
                        "@id": "https://orcid.org/0000-0002-1267-0234"
                    }
                ],
                "http://purl.org/dc/terms/license": [
                    {
                        "@id": "https://creativecommons.org/licenses/by/4.0/"
                    }
                ],
                "http://purl.org/nanopub/x/embeds": [
                    {
                        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/get-presentations-for-event"
                    }
                ],
                "http://purl.org/nanopub/x/supersedes": [
                    {
                        "@id": "https://w3id.org/np/RA1saJ6qsQ5dXvFX6vii5eji_DVuTbBAmLziuFfa_0RbI"
                    }
                ],
                "https://w3id.org/np/o/ntemplate/wasCreatedFromProvenanceTemplate": [
                    {
                        "@id": "http://purl.org/np/RAcm8OurwUk15WOgBM9wySo-T3a5h6as4K8YR5MBrrxUc"
                    }
                ],
                "https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate": [
                    {
                        "@id": "https://w3id.org/np/RACJ58Gvyn91LqCKIO9zu1eijDQIeEff28iyDrJgjSJF8"
                    },
                    {
                        "@id": "https://w3id.org/np/RAoTD7udB2KtUuOuAe74tJi1t3VzK0DyWS7rYVAq1GRvw"
                    },
                    {
                        "@id": "https://w3id.org/np/RAukAcWHRDlkqxk7H2XNSegc1WnHI569INvNr-xdptDGI"
                    }
                ],
                "https://w3id.org/np/o/ntemplate/wasCreatedFromTemplate": [
                    {
                        "@id": "https://w3id.org/np/RAEFAt-QcFK0ZhqfvlsmS10BnzGJA0xwOICZXkO-ai87k"
                    }
                ]
            },
            {
                "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0/sig",
                "http://purl.org/nanopub/x/hasAlgorithm": [
                    {
                        "@value": "RSA"
                    }
                ],
                "http://purl.org/nanopub/x/hasPublicKey": [
                    {
                        "@value": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB"
                    }
                ],
                "http://purl.org/nanopub/x/hasSignature": [
                    {
                        "@value": "pq6CBAWkP4lLQd/BvHlDeER2wlgD3UVRNoHeOknazA4sarl3DpIND0OOY2pXOBVXxqWHPs5sDHJJTn0oGmAS0lwDPlGa96/+BftbMwwEPGF2A5nKQ5K91JPEbRkrxiQ4y6gnWjlUS58DbIL+INNpbnwB3d69XB7AuRY17WWy8zM="
                    }
                ],
                "http://purl.org/nanopub/x/hasSignatureTarget": [
                    {
                        "@id": "https://w3id.org/np/RAnnhd2uVDYNCN1Vgc2XNTXbmtB8yGn-MxbZurs6txMn0"
                    }
                ],
                "http://purl.org/nanopub/x/signedBy": [
                    {
                        "@id": "https://orcid.org/0000-0002-1267-0234"
                    }
                ]
            }
        ]
    }
]