https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/Head https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://www.nanopub.org/nschema#hasAssertion https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/assertion https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://www.nanopub.org/nschema#hasProvenance https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/provenance https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://www.nanopub.org/nschema#hasPublicationInfo https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/pubinfo https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.nanopub.org/nschema#Nanopublication https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/assertion https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions http://purl.org/dc/terms/description This query returns the introduction nanopublications of a given user, with their creation date, key location, and declared public key hashes. https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions http://purl.org/dc/terms/license http://www.apache.org/licenses/LICENSE-2.0 https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/kpxl/grlc/grlc-query https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions http://www.w3.org/2000/01/rdf-schema#label Get user introductions https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions https://w3id.org/kpxl/grlc/endpoint https://w3id.org/np/l/nanopub-query-1.1/repo/type/77757cabf6184c51c20b8b0fe5dc5e1365b7f628448335184ad54319a0affdfc https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions https://w3id.org/kpxl/grlc/sparql prefix np: <http://www.nanopub.org/nschema#> prefix npx: <http://purl.org/nanopub/x/> prefix npa: <http://purl.org/nanopub/admin/> prefix dct: <http://purl.org/dc/terms/> select (max(?date0) as ?date) (sample(str(?keyLocation)) as ?location) (group_concat(distinct ?keyHash; separator=", ") as ?keys) ?np ("^" as ?np_label) where { graph npa:graph { ?np npa:hasValidSignatureForPublicKey ?introPubkey . filter not exists { ?npx npx:invalidates ?np ; npa:hasValidSignatureForPublicKey ?introPubkey . } ?np dct:created ?date0 . ?np np:hasAssertion ?a . } graph ?a { ?keydeclaration npx:declaredBy ?_user_iri . ?keydeclaration npx:hasPublicKey ?pubkey . optional { ?keydeclaration npx:hasKeyLocation ?keyLocation . } bind(substr(sha256(?pubkey), 1, 10) as ?keyHash) } } group by ?np order by desc(max(?date0)) https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/provenance https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/assertion http://www.w3.org/ns/prov#wasAttributedTo https://orcid.org/0000-0002-1267-0234 https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/pubinfo https://orcid.org/0000-0002-1267-0234 http://xmlns.com/foaf/0.1/name Tobias Kuhn https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://purl.org/dc/terms/created 2026-06-02T11:55:27Z https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://purl.org/dc/terms/creator https://orcid.org/0000-0002-1267-0234 https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://purl.org/dc/terms/license https://creativecommons.org/licenses/by/4.0/ https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ http://purl.org/nanopub/x/embeds https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/get-user-introductions https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ https://w3id.org/np/o/ntemplate/wasCreatedFromProvenanceTemplate https://w3id.org/np/RA7lSq6MuK_TIC6JMSHvLtee3lpLoZDOqLJCLXevnrPoU https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate https://w3id.org/np/RA0J4vUn_dekg-U1kK3AOEt02p9mT2WO03uGxLDec1jLw https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate https://w3id.org/np/RAoTD7udB2KtUuOuAe74tJi1t3VzK0DyWS7rYVAq1GRvw https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ https://w3id.org/np/o/ntemplate/wasCreatedFromPubinfoTemplate https://w3id.org/np/RAukAcWHRDlkqxk7H2XNSegc1WnHI569INvNr-xdptDGI https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ https://w3id.org/np/o/ntemplate/wasCreatedFromTemplate https://w3id.org/np/RAEFAt-QcFK0ZhqfvlsmS10BnzGJA0xwOICZXkO-ai87k https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/sig http://purl.org/nanopub/x/hasAlgorithm RSA https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/sig http://purl.org/nanopub/x/hasPublicKey MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCwUtewGCpT5vIfXYE1bmf/Uqu1ojqnWdYxv+ySO80ul8Gu7m8KoyPAwuvaPj0lvPtHrg000qMmkxzKhYknEjq8v7EerxZNYp5B3/3+5ZpuWOYAs78UnQVjbHSmDdmryr4D4VvvNIiUmd0yxci47dTFUj4DvfHnGd6hVe5+goqdcwIDAQAB https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/sig http://purl.org/nanopub/x/hasSignature hUaCBNtLZQy36dfslsKDbWHAfKixmfJnDQFmWvgJ+C+HhmLVv3fp8dyhFt0giLGuGNlu6ims6/JWHNlOftkOsTlg2pBhSyh6ryhTdgiNRiygG3MMpO/6x7D2nvn5jjpjp3PGTAD287ChYQm1+7BhYW+mitAeGpAGsYdezTzAUDU= https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/sig http://purl.org/nanopub/x/hasSignatureTarget https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ https://w3id.org/np/RAJTZRxP4N4xuvA7-F1N59htYOee8RjUJhFUoj1AUzZDQ/sig http://purl.org/nanopub/x/signedBy https://orcid.org/0000-0002-1267-0234