{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:5B3YQQ6VC7CA66VTQWWZ2OXFVC","short_pith_number":"pith:5B3YQQ6V","schema_version":"1.0","canonical_sha256":"e8778843d517c40f7ab385ad9d3ae5a8b1d7d8aae138b6af091a6aaaa0b369bf","source":{"kind":"arxiv","id":"1508.02448","version":1},"attestation_state":"computed","paper":{"title":"Equivalence-based Security for Querying Encrypted Databases: Theory and Application to Privacy Policy Audits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Anupam Datta, Deepak Garg, Limin Jia, Omar Chowdhury","submitted_at":"2015-08-10T22:37:54Z","abstract_excerpt":"Motivated by the problem of simultaneously preserving confidentiality and usability of data outsourced to third-party clouds, we present two different database encryption schemes that largely hide data but reveal enough information to support a wide-range of relational queries. We provide a security definition for database encryption that captures confidentiality based on a notion of equivalence of databases from the adversary's perspective. As a specific application, we adapt an existing algorithm for finding violations of privacy policies to run on logs encrypted under our schemes and observ"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1508.02448","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2015-08-10T22:37:54Z","cross_cats_sorted":[],"title_canon_sha256":"2ad383365edd221520a28c82a95b8989029c34ebb1679d8dbf8d5bcde53f886c","abstract_canon_sha256":"d5d310f6ef7192edb76b77810a228e75eb91241dc9f08c0c0af03a43cbb40ce2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:29.186403Z","signature_b64":"cmab0t27s7IesrwQQ4VuN2DZWczrTa1LoEDvrbTtyqc4bjtxTfmEgkbWjYZR1LW8/UIA8UVyO3yPCUy5HvRsAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8778843d517c40f7ab385ad9d3ae5a8b1d7d8aae138b6af091a6aaaa0b369bf","last_reissued_at":"2026-05-18T01:35:29.185709Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:29.185709Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Equivalence-based Security for Querying Encrypted Databases: Theory and Application to Privacy Policy Audits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Anupam Datta, Deepak Garg, Limin Jia, Omar Chowdhury","submitted_at":"2015-08-10T22:37:54Z","abstract_excerpt":"Motivated by the problem of simultaneously preserving confidentiality and usability of data outsourced to third-party clouds, we present two different database encryption schemes that largely hide data but reveal enough information to support a wide-range of relational queries. We provide a security definition for database encryption that captures confidentiality based on a notion of equivalence of databases from the adversary's perspective. As a specific application, we adapt an existing algorithm for finding violations of privacy policies to run on logs encrypted under our schemes and observ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.02448","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1508.02448","created_at":"2026-05-18T01:35:29.185816+00:00"},{"alias_kind":"arxiv_version","alias_value":"1508.02448v1","created_at":"2026-05-18T01:35:29.185816+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.02448","created_at":"2026-05-18T01:35:29.185816+00:00"},{"alias_kind":"pith_short_12","alias_value":"5B3YQQ6VC7CA","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_16","alias_value":"5B3YQQ6VC7CA66VT","created_at":"2026-05-18T12:29:05.191682+00:00"},{"alias_kind":"pith_short_8","alias_value":"5B3YQQ6V","created_at":"2026-05-18T12:29:05.191682+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC","json":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC.json","graph_json":"https://pith.science/api/pith-number/5B3YQQ6VC7CA66VTQWWZ2OXFVC/graph.json","events_json":"https://pith.science/api/pith-number/5B3YQQ6VC7CA66VTQWWZ2OXFVC/events.json","paper":"https://pith.science/paper/5B3YQQ6V"},"agent_actions":{"view_html":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC","download_json":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC.json","view_paper":"https://pith.science/paper/5B3YQQ6V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1508.02448&json=true","fetch_graph":"https://pith.science/api/pith-number/5B3YQQ6VC7CA66VTQWWZ2OXFVC/graph.json","fetch_events":"https://pith.science/api/pith-number/5B3YQQ6VC7CA66VTQWWZ2OXFVC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC/action/storage_attestation","attest_author":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC/action/author_attestation","sign_citation":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC/action/citation_signature","submit_replication":"https://pith.science/pith/5B3YQQ6VC7CA66VTQWWZ2OXFVC/action/replication_record"}},"created_at":"2026-05-18T01:35:29.185816+00:00","updated_at":"2026-05-18T01:35:29.185816+00:00"}