{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:UOYNMVLG2JHV5DH6TA4LT6CDVR","short_pith_number":"pith:UOYNMVLG","canonical_record":{"source":{"id":"1806.01168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2018-06-04T16:07:50Z","cross_cats_sorted":[],"title_canon_sha256":"bb27423f4560897b401ff13669d622843b4e8d6a06e766223cca8b7f8c6b4e96","abstract_canon_sha256":"befead8354b7eae4c7e8d16cc410082183dcb24bc1f1d2e09483d0fee194f366"},"schema_version":"1.0"},"canonical_sha256":"a3b0d65566d24f5e8cfe9838b9f843ac59c9f59b083a32124c5f45f8aa2e9c79","source":{"kind":"arxiv","id":"1806.01168","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01168","created_at":"2026-05-18T00:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01168v1","created_at":"2026-05-18T00:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01168","created_at":"2026-05-18T00:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"UOYNMVLG2JHV","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UOYNMVLG2JHV5DH6","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UOYNMVLG","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:UOYNMVLG2JHV5DH6TA4LT6CDVR","target":"record","payload":{"canonical_record":{"source":{"id":"1806.01168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2018-06-04T16:07:50Z","cross_cats_sorted":[],"title_canon_sha256":"bb27423f4560897b401ff13669d622843b4e8d6a06e766223cca8b7f8c6b4e96","abstract_canon_sha256":"befead8354b7eae4c7e8d16cc410082183dcb24bc1f1d2e09483d0fee194f366"},"schema_version":"1.0"},"canonical_sha256":"a3b0d65566d24f5e8cfe9838b9f843ac59c9f59b083a32124c5f45f8aa2e9c79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:17.252596Z","signature_b64":"o4v6tnihuO7X7D4IYZ61GDGavlmHn6YQYv45woDu+gYbweB82jAdmBmkCFDET5L9oJ9TSY+xoKeFHkBVRrmPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3b0d65566d24f5e8cfe9838b9f843ac59c9f59b083a32124c5f45f8aa2e9c79","last_reissued_at":"2026-05-18T00:14:17.251925Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:17.251925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.01168","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BaQCKHLjwqN6sPCe0Stz5xo8u/76KEKHH/XSZhQWzT9sTFbdqvIfBvwjNYHdrRCfg3SVNhPMat5fUmm6FgiaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:05:32.229412Z"},"content_sha256":"18ccf72f43263531fecc8f8c0752567da267d00c051db582c19858e5e25c4f32","schema_version":"1.0","event_id":"sha256:18ccf72f43263531fecc8f8c0752567da267d00c051db582c19858e5e25c4f32"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:UOYNMVLG2JHV5DH6TA4LT6CDVR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Secure and Efficient Skyline Queries on Encrypted Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Jian Pei, Jinfei Liu, Juncheng Yang, Li Xiong","submitted_at":"2018-06-04T16:07:50Z","abstract_excerpt":"Outsourcing data and computation to cloud server provides a cost-effective way to support large scale data storage and query processing. However, due to security and privacy concerns, sensitive data (e.g., medical records) need to be protected from the cloud server and other unauthorized users. One approach is to outsource encrypted data to the cloud server and have the cloud server perform query processing on the encrypted data only. It remains a challenging task to support various queries over encrypted data in a secure and efficient way such that the cloud server does not gain any knowledge"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01168","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zGv6H9WwLT4yimThesVxXlZQHOUm2UBW3t8+GARjAzKOLIbbx4qxyQOtzRc89BnsshkiEamdNJISEoYtnllwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:05:32.229786Z"},"content_sha256":"5cffde146c3f51aa2dceb159e5e754b8b129413e1896a6aab39f461b60ed019e","schema_version":"1.0","event_id":"sha256:5cffde146c3f51aa2dceb159e5e754b8b129413e1896a6aab39f461b60ed019e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UOYNMVLG2JHV5DH6TA4LT6CDVR/bundle.json","state_url":"https://pith.science/pith/UOYNMVLG2JHV5DH6TA4LT6CDVR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UOYNMVLG2JHV5DH6TA4LT6CDVR/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-19T09:05:32Z","links":{"resolver":"https://pith.science/pith/UOYNMVLG2JHV5DH6TA4LT6CDVR","bundle":"https://pith.science/pith/UOYNMVLG2JHV5DH6TA4LT6CDVR/bundle.json","state":"https://pith.science/pith/UOYNMVLG2JHV5DH6TA4LT6CDVR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UOYNMVLG2JHV5DH6TA4LT6CDVR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:UOYNMVLG2JHV5DH6TA4LT6CDVR","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"befead8354b7eae4c7e8d16cc410082183dcb24bc1f1d2e09483d0fee194f366","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2018-06-04T16:07:50Z","title_canon_sha256":"bb27423f4560897b401ff13669d622843b4e8d6a06e766223cca8b7f8c6b4e96"},"schema_version":"1.0","source":{"id":"1806.01168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01168","created_at":"2026-05-18T00:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01168v1","created_at":"2026-05-18T00:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01168","created_at":"2026-05-18T00:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"UOYNMVLG2JHV","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"UOYNMVLG2JHV5DH6","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"UOYNMVLG","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:5cffde146c3f51aa2dceb159e5e754b8b129413e1896a6aab39f461b60ed019e","target":"graph","created_at":"2026-05-18T00:14:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Outsourcing data and computation to cloud server provides a cost-effective way to support large scale data storage and query processing. However, due to security and privacy concerns, sensitive data (e.g., medical records) need to be protected from the cloud server and other unauthorized users. One approach is to outsource encrypted data to the cloud server and have the cloud server perform query processing on the encrypted data only. It remains a challenging task to support various queries over encrypted data in a secure and efficient way such that the cloud server does not gain any knowledge","authors_text":"Jian Pei, Jinfei Liu, Juncheng Yang, Li Xiong","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2018-06-04T16:07:50Z","title":"Secure and Efficient Skyline Queries on Encrypted Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01168","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:18ccf72f43263531fecc8f8c0752567da267d00c051db582c19858e5e25c4f32","target":"record","created_at":"2026-05-18T00:14:17Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"befead8354b7eae4c7e8d16cc410082183dcb24bc1f1d2e09483d0fee194f366","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2018-06-04T16:07:50Z","title_canon_sha256":"bb27423f4560897b401ff13669d622843b4e8d6a06e766223cca8b7f8c6b4e96"},"schema_version":"1.0","source":{"id":"1806.01168","kind":"arxiv","version":1}},"canonical_sha256":"a3b0d65566d24f5e8cfe9838b9f843ac59c9f59b083a32124c5f45f8aa2e9c79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3b0d65566d24f5e8cfe9838b9f843ac59c9f59b083a32124c5f45f8aa2e9c79","first_computed_at":"2026-05-18T00:14:17.251925Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:17.251925Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o4v6tnihuO7X7D4IYZ61GDGavlmHn6YQYv45woDu+gYbweB82jAdmBmkCFDET5L9oJ9TSY+xoKeFHkBVRrmPDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:17.252596Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.01168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:18ccf72f43263531fecc8f8c0752567da267d00c051db582c19858e5e25c4f32","sha256:5cffde146c3f51aa2dceb159e5e754b8b129413e1896a6aab39f461b60ed019e"],"state_sha256":"978f32e6d75b2c9d9c66556833cb51a62623fb777fa348df6845ed81bef5e340"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/gsDbsktlZ11Me3sasWVrCCwcq9VlYN3oyC9c0I2PwEl5JBSmjUyNX5MPadqAJOw5qn90tQv7fJ1pxJeC+BkCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T09:05:32.231671Z","bundle_sha256":"901855f79d1ed531f466ec020e8e728526c42096b59f51ad833d02011a49f83c"}}