{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:E6JWAN7FTJPELNG2CBPTCQPZTC","short_pith_number":"pith:E6JWAN7F","schema_version":"1.0","canonical_sha256":"27936037e59a5e45b4da105f3141f9988bd3b546b55762c2ad4f833c5955bafb","source":{"kind":"arxiv","id":"1706.05604","version":1},"attestation_state":"computed","paper":{"title":"Secure and Private Cloud Storage Systems with Random Linear Fountain Codes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Hamid Sadjadpour, Mohsen Karimzadeh Kiskani","submitted_at":"2017-06-18T04:42:05Z","abstract_excerpt":"An information theoretic approach to security and privacy called Secure And Private Information Retrieval (SAPIR) is introduced. SAPIR is applied to distributed data storage systems. In this approach, random combinations of all contents are stored across the network. Our coding approach is based on Random Linear Fountain (RLF) codes. To retrieve a content, a group of servers collaborate with each other to form a Reconstruction Group (RG). SAPIR achieves asymptotic perfect secrecy if at least one of the servers within an RG is not compromised. Further, a Private Information Retrieval (PIR) sche"},"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":"1706.05604","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2017-06-18T04:42:05Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"3acab91e0e536e6651c6701d841b71dffa6cfd9493ed53ee7d93da6ec536356d","abstract_canon_sha256":"4e43309c450a7501b2df92805e9bdb902f74a8765bec87575d36bd6ff4c4d088"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:09.415662Z","signature_b64":"xhGIFmse00Ke76w7zECE6eqkbIu8PUMvillYSdt/NBYfel6ggqsR100y6lWyq9tHiQTIB/P+6ivt78l11E3qBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27936037e59a5e45b4da105f3141f9988bd3b546b55762c2ad4f833c5955bafb","last_reissued_at":"2026-05-18T00:42:09.415128Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:09.415128Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Secure and Private Cloud Storage Systems with Random Linear Fountain Codes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Hamid Sadjadpour, Mohsen Karimzadeh Kiskani","submitted_at":"2017-06-18T04:42:05Z","abstract_excerpt":"An information theoretic approach to security and privacy called Secure And Private Information Retrieval (SAPIR) is introduced. SAPIR is applied to distributed data storage systems. In this approach, random combinations of all contents are stored across the network. Our coding approach is based on Random Linear Fountain (RLF) codes. To retrieve a content, a group of servers collaborate with each other to form a Reconstruction Group (RG). SAPIR achieves asymptotic perfect secrecy if at least one of the servers within an RG is not compromised. Further, a Private Information Retrieval (PIR) sche"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.05604","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":"1706.05604","created_at":"2026-05-18T00:42:09.415205+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.05604v1","created_at":"2026-05-18T00:42:09.415205+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.05604","created_at":"2026-05-18T00:42:09.415205+00:00"},{"alias_kind":"pith_short_12","alias_value":"E6JWAN7FTJPE","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"E6JWAN7FTJPELNG2","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"E6JWAN7F","created_at":"2026-05-18T12:31:12.930513+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/E6JWAN7FTJPELNG2CBPTCQPZTC","json":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC.json","graph_json":"https://pith.science/api/pith-number/E6JWAN7FTJPELNG2CBPTCQPZTC/graph.json","events_json":"https://pith.science/api/pith-number/E6JWAN7FTJPELNG2CBPTCQPZTC/events.json","paper":"https://pith.science/paper/E6JWAN7F"},"agent_actions":{"view_html":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC","download_json":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC.json","view_paper":"https://pith.science/paper/E6JWAN7F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.05604&json=true","fetch_graph":"https://pith.science/api/pith-number/E6JWAN7FTJPELNG2CBPTCQPZTC/graph.json","fetch_events":"https://pith.science/api/pith-number/E6JWAN7FTJPELNG2CBPTCQPZTC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC/action/storage_attestation","attest_author":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC/action/author_attestation","sign_citation":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC/action/citation_signature","submit_replication":"https://pith.science/pith/E6JWAN7FTJPELNG2CBPTCQPZTC/action/replication_record"}},"created_at":"2026-05-18T00:42:09.415205+00:00","updated_at":"2026-05-18T00:42:09.415205+00:00"}