{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:UED6VE6DNACQN3J7GOMX5DWBTD","short_pith_number":"pith:UED6VE6D","schema_version":"1.0","canonical_sha256":"a107ea93c3680506ed3f33997e8ec198ea48152c9d492c846e3658227be7b04c","source":{"kind":"arxiv","id":"1602.01458","version":4},"attestation_state":"computed","paper":{"title":"Private Information Retrieval from MDS Coded Data in Distributed Storage Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Oliver W. Gnilke, Razan Tajeddine, Salim El Rouayheb","submitted_at":"2016-02-03T20:53:34Z","abstract_excerpt":"The problem of providing privacy, in the private information retrieval (PIR) sense, to users requesting data from a distributed storage system (DSS), is considered. The DSS is coded by an $(n,k,d)$ Maximum Distance Separable (MDS) code to store the data reliably on unreliable storage nodes. Some of these nodes can be spies which report to a third party, such as an oppressive regime, which data is being requested by the user. An information theoretic PIR scheme ensures that a user can satisfy its request while revealing, to the spy nodes, no information on which data is being requested. A user "},"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":"1602.01458","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2016-02-03T20:53:34Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"076de49608eebe6ad52bd09fd55757dd013970052de1a4f8d52e87253ff46922","abstract_canon_sha256":"6f97c74b09f033a7c554986016d64b9957f32d666001cedcae1cea0e9e9903fe"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:59.866400Z","signature_b64":"ZufT6EmtxQBlDFotqp14tCDAdi4rQSCQI/Hew2WFWd2uZ8psbfF2OOkvX2ReM+KbaSj5pSGoxvepn1U7EZdFBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a107ea93c3680506ed3f33997e8ec198ea48152c9d492c846e3658227be7b04c","last_reissued_at":"2026-05-18T00:20:59.865847Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:59.865847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Private Information Retrieval from MDS Coded Data in Distributed Storage Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Oliver W. Gnilke, Razan Tajeddine, Salim El Rouayheb","submitted_at":"2016-02-03T20:53:34Z","abstract_excerpt":"The problem of providing privacy, in the private information retrieval (PIR) sense, to users requesting data from a distributed storage system (DSS), is considered. The DSS is coded by an $(n,k,d)$ Maximum Distance Separable (MDS) code to store the data reliably on unreliable storage nodes. Some of these nodes can be spies which report to a third party, such as an oppressive regime, which data is being requested by the user. An information theoretic PIR scheme ensures that a user can satisfy its request while revealing, to the spy nodes, no information on which data is being requested. A user "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01458","kind":"arxiv","version":4},"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":"1602.01458","created_at":"2026-05-18T00:20:59.865932+00:00"},{"alias_kind":"arxiv_version","alias_value":"1602.01458v4","created_at":"2026-05-18T00:20:59.865932+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01458","created_at":"2026-05-18T00:20:59.865932+00:00"},{"alias_kind":"pith_short_12","alias_value":"UED6VE6DNACQ","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_16","alias_value":"UED6VE6DNACQN3J7","created_at":"2026-05-18T12:30:46.583412+00:00"},{"alias_kind":"pith_short_8","alias_value":"UED6VE6D","created_at":"2026-05-18T12:30:46.583412+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/UED6VE6DNACQN3J7GOMX5DWBTD","json":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD.json","graph_json":"https://pith.science/api/pith-number/UED6VE6DNACQN3J7GOMX5DWBTD/graph.json","events_json":"https://pith.science/api/pith-number/UED6VE6DNACQN3J7GOMX5DWBTD/events.json","paper":"https://pith.science/paper/UED6VE6D"},"agent_actions":{"view_html":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD","download_json":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD.json","view_paper":"https://pith.science/paper/UED6VE6D","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1602.01458&json=true","fetch_graph":"https://pith.science/api/pith-number/UED6VE6DNACQN3J7GOMX5DWBTD/graph.json","fetch_events":"https://pith.science/api/pith-number/UED6VE6DNACQN3J7GOMX5DWBTD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD/action/storage_attestation","attest_author":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD/action/author_attestation","sign_citation":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD/action/citation_signature","submit_replication":"https://pith.science/pith/UED6VE6DNACQN3J7GOMX5DWBTD/action/replication_record"}},"created_at":"2026-05-18T00:20:59.865932+00:00","updated_at":"2026-05-18T00:20:59.865932+00:00"}