[
    {
        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/Head",
        "@graph": [
            {
                "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ",
                "http://www.nanopub.org/nschema#hasAssertion": [
                    {
                        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/assertion"
                    }
                ],
                "http://www.nanopub.org/nschema#hasProvenance": [
                    {
                        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/provenance"
                    }
                ],
                "http://www.nanopub.org/nschema#hasPublicationInfo": [
                    {
                        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/pubinfo"
                    }
                ],
                "@type": [
                    "http://www.nanopub.org/nschema#Nanopublication"
                ]
            }
        ]
    },
    {
        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/provenance",
        "@graph": [
            {
                "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/assertion",
                "http://www.w3.org/ns/prov#wasAttributedTo": [
                    {
                        "@id": "https://orcid.org/0000-0002-1267-0234"
                    }
                ]
            }
        ]
    },
    {
        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/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/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ",
                "http://purl.org/dc/terms/created": [
                    {
                        "@value": "2026-06-02T11:55:27Z",
                        "@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/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions"
                    }
                ],
                "https://w3id.org/np/o/ntemplate/wasCreatedFromProvenanceTemplate": [
                    {
                        "@id": "https://w3id.org/np/RA7lSq6MuK_TIC6JMSHvLtee3lpLoZDOqLJCLXevnrPoU"
                    }
                ],
                "https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate": [
                    {
                        "@id": "https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw"
                    },
                    {
                        "@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/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/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": "hUaCBNtLZQy36dfslsKDbWHAfKixmfJnDQFmWvgJ+C+HhmLVv3fp8dyhFt0giLGuGNlu6ims6/JWHNlOftkOsTlg2pBhSyh6ryhTdgiNRiygG3MMpO/6x7D2nvn5jjpjp3PGTAD287ChYQm1+7BhYW+mitAeGpAGsYdezTzAUDU="
                    }
                ],
                "http://purl.org/nanopub/x/hasSignatureTarget": [
                    {
                        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ"
                    }
                ],
                "http://purl.org/nanopub/x/signedBy": [
                    {
                        "@id": "https://orcid.org/0000-0002-1267-0234"
                    }
                ]
            }
        ]
    },
    {
        "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/assertion",
        "@graph": [
            {
                "@id": "https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions",
                "http://purl.org/dc/terms/description": [
                    {
                        "@value": "This query returns the introduction nanopublications of a given user, with their creation date, key location, and declared public key hashes."
                    }
                ],
                "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 user introductions"
                    }
                ],
                "https://w3id.org/kpxl/grlc/endpoint": [
                    {
                        "@id": "https://w3id.org/np/l/nanopub-query-1.1/repo/type/77757cabf6184c51c20b8b0fe5dc5e1365b7f628448335184ad54319a0affdfc"
                    }
                ],
                "https://w3id.org/kpxl/grlc/sparql": [
                    {
                        "@value": "prefix np: <http://www.nanopub.org/nschema#>\nprefix npx: <http://purl.org/nanopub/x/>\nprefix npa: <http://purl.org/nanopub/admin/>\nprefix dct: <http://purl.org/dc/terms/>\n\nselect (max(?date0) as ?date) (sample(str(?keyLocation)) as ?location) (group_concat(distinct ?keyHash; separator=\", \") as ?keys) ?np (\"^\" as ?np_label) where {\n  graph npa:graph {\n    ?np npa:hasValidSignatureForPublicKey ?introPubkey .\n    filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?introPubkey . }\n    ?np dct:created ?date0 .\n    ?np np:hasAssertion ?a .\n  }\n  graph ?a {\n    ?keydeclaration npx:declaredBy ?_user_iri .\n    ?keydeclaration npx:hasPublicKey ?pubkey .\n    optional { ?keydeclaration npx:hasKeyLocation ?keyLocation . }\n    bind(substr(sha256(?pubkey), 1, 10) as ?keyHash)\n  }\n}\ngroup by ?np\norder by desc(max(?date0))"
                    }
                ]
            }
        ]
    }
]