{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:DOQXRDYQ7QUOLBYB3BURPYWPUP","short_pith_number":"pith:DOQXRDYQ","canonical_record":{"source":{"id":"1902.00167","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-02-01T04:03:22Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"49f7716a7487bbdf0606bd4137639b17feef2e9e9d08776b8a70911225431962","abstract_canon_sha256":"72b974c38501d324ec302abeffe05fd237e52dfc5ec7ab5bc09e9d920dec0291"},"schema_version":"1.0"},"canonical_sha256":"1ba1788f10fc28e58701d86917e2cfa3d7d0f66c8cd6561fd53ded26a57ce2a2","source":{"kind":"arxiv","id":"1902.00167","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00167","created_at":"2026-05-17T23:54:58Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00167v1","created_at":"2026-05-17T23:54:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00167","created_at":"2026-05-17T23:54:58Z"},{"alias_kind":"pith_short_12","alias_value":"DOQXRDYQ7QUO","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DOQXRDYQ7QUOLBYB","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DOQXRDYQ","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:DOQXRDYQ7QUOLBYB3BURPYWPUP","target":"record","payload":{"canonical_record":{"source":{"id":"1902.00167","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-02-01T04:03:22Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"49f7716a7487bbdf0606bd4137639b17feef2e9e9d08776b8a70911225431962","abstract_canon_sha256":"72b974c38501d324ec302abeffe05fd237e52dfc5ec7ab5bc09e9d920dec0291"},"schema_version":"1.0"},"canonical_sha256":"1ba1788f10fc28e58701d86917e2cfa3d7d0f66c8cd6561fd53ded26a57ce2a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:58.122379Z","signature_b64":"YfCsYj2H0YpkZD5ovry/aVjv7qbqPW0aYaS5PkZYqmAfQo5U2MyMmp1usBmLR9IkjwIb2AG/mciTiL9rcQvxCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1ba1788f10fc28e58701d86917e2cfa3d7d0f66c8cd6561fd53ded26a57ce2a2","last_reissued_at":"2026-05-17T23:54:58.121874Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:58.121874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.00167","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":"2026-05-17T23:54:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PsamDZZhC/+zdzE6/NYDaM48VJR+ROwreKDiIXhGQyFyf/JQGlG8zNxa8yzK6xic+74sOGjUf1xvJBIWdHVtDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:49:04.764739Z"},"content_sha256":"24ed96970f9e30ec431577469b9cf33bb5a7dfce1341c95846f6d55d0b083f96","schema_version":"1.0","event_id":"sha256:24ed96970f9e30ec431577469b9cf33bb5a7dfce1341c95846f6d55d0b083f96"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:DOQXRDYQ7QUOLBYB3BURPYWPUP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Private Secure Coded Computation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Jungwoo Lee, Minchul Kim","submitted_at":"2019-02-01T04:03:22Z","abstract_excerpt":"We introduce a variation of coded computation that ensures data security and master's privacy against workers, which is referred to as private secure coded computation. In private secure coded computation, the master needs to compute a function of its own dataset and one of the datasets in a library exclusively shared by external workers. After recovering the desired function, the workers must not be able to know which dataset in the library was desired by the master or obtain any information about the master's own data. We propose a private secure coded computation scheme for matrix multiplic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00167","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":"2026-05-17T23:54:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kga5McRhKyHGmLVzhGkBh6geSB3c2tb34y3PhzFNeSUaumi3TfN/a6ScrMoVs/+DlRzxHuDebSbZ45YYwN75Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T15:49:04.765466Z"},"content_sha256":"370ec15cfbdc2a3851bb4c1738e60bacf2e068f163695635fbc4de3595d4c645","schema_version":"1.0","event_id":"sha256:370ec15cfbdc2a3851bb4c1738e60bacf2e068f163695635fbc4de3595d4c645"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DOQXRDYQ7QUOLBYB3BURPYWPUP/bundle.json","state_url":"https://pith.science/pith/DOQXRDYQ7QUOLBYB3BURPYWPUP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DOQXRDYQ7QUOLBYB3BURPYWPUP/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":"2026-05-26T15:49:04Z","links":{"resolver":"https://pith.science/pith/DOQXRDYQ7QUOLBYB3BURPYWPUP","bundle":"https://pith.science/pith/DOQXRDYQ7QUOLBYB3BURPYWPUP/bundle.json","state":"https://pith.science/pith/DOQXRDYQ7QUOLBYB3BURPYWPUP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DOQXRDYQ7QUOLBYB3BURPYWPUP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:DOQXRDYQ7QUOLBYB3BURPYWPUP","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":"72b974c38501d324ec302abeffe05fd237e52dfc5ec7ab5bc09e9d920dec0291","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-02-01T04:03:22Z","title_canon_sha256":"49f7716a7487bbdf0606bd4137639b17feef2e9e9d08776b8a70911225431962"},"schema_version":"1.0","source":{"id":"1902.00167","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.00167","created_at":"2026-05-17T23:54:58Z"},{"alias_kind":"arxiv_version","alias_value":"1902.00167v1","created_at":"2026-05-17T23:54:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00167","created_at":"2026-05-17T23:54:58Z"},{"alias_kind":"pith_short_12","alias_value":"DOQXRDYQ7QUO","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"DOQXRDYQ7QUOLBYB","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"DOQXRDYQ","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:370ec15cfbdc2a3851bb4c1738e60bacf2e068f163695635fbc4de3595d4c645","target":"graph","created_at":"2026-05-17T23:54:58Z","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":"We introduce a variation of coded computation that ensures data security and master's privacy against workers, which is referred to as private secure coded computation. In private secure coded computation, the master needs to compute a function of its own dataset and one of the datasets in a library exclusively shared by external workers. After recovering the desired function, the workers must not be able to know which dataset in the library was desired by the master or obtain any information about the master's own data. We propose a private secure coded computation scheme for matrix multiplic","authors_text":"Jungwoo Lee, Minchul Kim","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-02-01T04:03:22Z","title":"Private Secure Coded Computation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00167","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":"sha256:24ed96970f9e30ec431577469b9cf33bb5a7dfce1341c95846f6d55d0b083f96","target":"record","created_at":"2026-05-17T23:54:58Z","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":"72b974c38501d324ec302abeffe05fd237e52dfc5ec7ab5bc09e9d920dec0291","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-02-01T04:03:22Z","title_canon_sha256":"49f7716a7487bbdf0606bd4137639b17feef2e9e9d08776b8a70911225431962"},"schema_version":"1.0","source":{"id":"1902.00167","kind":"arxiv","version":1}},"canonical_sha256":"1ba1788f10fc28e58701d86917e2cfa3d7d0f66c8cd6561fd53ded26a57ce2a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1ba1788f10fc28e58701d86917e2cfa3d7d0f66c8cd6561fd53ded26a57ce2a2","first_computed_at":"2026-05-17T23:54:58.121874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:54:58.121874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YfCsYj2H0YpkZD5ovry/aVjv7qbqPW0aYaS5PkZYqmAfQo5U2MyMmp1usBmLR9IkjwIb2AG/mciTiL9rcQvxCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:54:58.122379Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.00167","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24ed96970f9e30ec431577469b9cf33bb5a7dfce1341c95846f6d55d0b083f96","sha256:370ec15cfbdc2a3851bb4c1738e60bacf2e068f163695635fbc4de3595d4c645"],"state_sha256":"2c15575b599dbd197e64e78f47f7a9cdf591c7a767328020a3a46dd66f523672"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S6C08+FUed7CnpXbwPtG1hDVJcu1KKqiIqXhsfZ2d0E3oIk+UvS8vD3NNVjYeYghXTjhnHiKQxLjAgog/DRzDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T15:49:04.768346Z","bundle_sha256":"110da72306e2c868443a608a9a6474312efcaafb3da44b0b8347c7272c9d9c35"}}