{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:SFWBUY7NGXJIAYD7HCHLYIIQRG","short_pith_number":"pith:SFWBUY7N","canonical_record":{"source":{"id":"1605.08641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-27T13:50:01Z","cross_cats_sorted":[],"title_canon_sha256":"c111b5ba41229c298c527b97b3b00afc51e93bbbb3a0d5daeb480d364bf4df0f","abstract_canon_sha256":"609855e1dfe6ee3caf1e96840378b9a43eff6ac01725c232c92c67526b5e4e60"},"schema_version":"1.0"},"canonical_sha256":"916c1a63ed35d280607f388ebc2110898f7c5e06fa2c32c5155114e0fe566dbf","source":{"kind":"arxiv","id":"1605.08641","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.08641","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1605.08641v1","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.08641","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"SFWBUY7NGXJI","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SFWBUY7NGXJIAYD7","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SFWBUY7N","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:SFWBUY7NGXJIAYD7HCHLYIIQRG","target":"record","payload":{"canonical_record":{"source":{"id":"1605.08641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-27T13:50:01Z","cross_cats_sorted":[],"title_canon_sha256":"c111b5ba41229c298c527b97b3b00afc51e93bbbb3a0d5daeb480d364bf4df0f","abstract_canon_sha256":"609855e1dfe6ee3caf1e96840378b9a43eff6ac01725c232c92c67526b5e4e60"},"schema_version":"1.0"},"canonical_sha256":"916c1a63ed35d280607f388ebc2110898f7c5e06fa2c32c5155114e0fe566dbf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:02.759515Z","signature_b64":"GG3wGlIhhdlnhukHWuAgesxNKp9tAV7igI8B27Rkw3JqqWZ0jaoVckD4favymfYEVYcfahBhqhFjqVFR9X2eAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"916c1a63ed35d280607f388ebc2110898f7c5e06fa2c32c5155114e0fe566dbf","last_reissued_at":"2026-05-18T01:10:02.759021Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:02.759021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.08641","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":"2026-05-18T01:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m+HYLuXciqMwuIEBT5zQIC8iECSPO+wdmmwv3i84VDhiFfTVPCpvpknwczODgEhxlfa5C8OFhZcruP+THVHRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:22:28.075139Z"},"content_sha256":"8a5c7939cf3ac7ddb298033974d9cb5b3504ff0073072c6ed4f497eb6e73b6b8","schema_version":"1.0","event_id":"sha256:8a5c7939cf3ac7ddb298033974d9cb5b3504ff0073072c6ed4f497eb6e73b6b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:SFWBUY7NGXJIAYD7HCHLYIIQRG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Upper Bound of Fully Entangled Fraction of Mixed States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Naihuan Jing, Tinggui Zhang, Xiaofen Huang","submitted_at":"2016-05-27T13:50:01Z","abstract_excerpt":"We study the fully entangled fraction of a quantum state. An upper bound is obtained for arbitrary bipartite system. This upper bound only depends on the Frobenius norm of the state."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.08641","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":"2026-05-18T01:10:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TAV4ey4rgi/Jt5//q+R5d4QtdqWqDimhbXr0kEhqpm3HGIGmjIL3PcxZO6SewlE7B4kSKaQgULATfJEsJ6GnBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T18:22:28.075497Z"},"content_sha256":"cf2f62fbc73fc3c7ce93c27ed800acb9de5dd48ac4d51a1ed0e78fced71c1967","schema_version":"1.0","event_id":"sha256:cf2f62fbc73fc3c7ce93c27ed800acb9de5dd48ac4d51a1ed0e78fced71c1967"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SFWBUY7NGXJIAYD7HCHLYIIQRG/bundle.json","state_url":"https://pith.science/pith/SFWBUY7NGXJIAYD7HCHLYIIQRG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SFWBUY7NGXJIAYD7HCHLYIIQRG/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":"2026-06-03T18:22:28Z","links":{"resolver":"https://pith.science/pith/SFWBUY7NGXJIAYD7HCHLYIIQRG","bundle":"https://pith.science/pith/SFWBUY7NGXJIAYD7HCHLYIIQRG/bundle.json","state":"https://pith.science/pith/SFWBUY7NGXJIAYD7HCHLYIIQRG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SFWBUY7NGXJIAYD7HCHLYIIQRG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:SFWBUY7NGXJIAYD7HCHLYIIQRG","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":"609855e1dfe6ee3caf1e96840378b9a43eff6ac01725c232c92c67526b5e4e60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-27T13:50:01Z","title_canon_sha256":"c111b5ba41229c298c527b97b3b00afc51e93bbbb3a0d5daeb480d364bf4df0f"},"schema_version":"1.0","source":{"id":"1605.08641","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.08641","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"arxiv_version","alias_value":"1605.08641v1","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.08641","created_at":"2026-05-18T01:10:02Z"},{"alias_kind":"pith_short_12","alias_value":"SFWBUY7NGXJI","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"SFWBUY7NGXJIAYD7","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"SFWBUY7N","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:cf2f62fbc73fc3c7ce93c27ed800acb9de5dd48ac4d51a1ed0e78fced71c1967","target":"graph","created_at":"2026-05-18T01:10:02Z","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 study the fully entangled fraction of a quantum state. An upper bound is obtained for arbitrary bipartite system. This upper bound only depends on the Frobenius norm of the state.","authors_text":"Naihuan Jing, Tinggui Zhang, Xiaofen Huang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-27T13:50:01Z","title":"An Upper Bound of Fully Entangled Fraction of Mixed States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.08641","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":"sha256:8a5c7939cf3ac7ddb298033974d9cb5b3504ff0073072c6ed4f497eb6e73b6b8","target":"record","created_at":"2026-05-18T01:10:02Z","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":"609855e1dfe6ee3caf1e96840378b9a43eff6ac01725c232c92c67526b5e4e60","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-05-27T13:50:01Z","title_canon_sha256":"c111b5ba41229c298c527b97b3b00afc51e93bbbb3a0d5daeb480d364bf4df0f"},"schema_version":"1.0","source":{"id":"1605.08641","kind":"arxiv","version":1}},"canonical_sha256":"916c1a63ed35d280607f388ebc2110898f7c5e06fa2c32c5155114e0fe566dbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"916c1a63ed35d280607f388ebc2110898f7c5e06fa2c32c5155114e0fe566dbf","first_computed_at":"2026-05-18T01:10:02.759021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:02.759021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GG3wGlIhhdlnhukHWuAgesxNKp9tAV7igI8B27Rkw3JqqWZ0jaoVckD4favymfYEVYcfahBhqhFjqVFR9X2eAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:02.759515Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.08641","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a5c7939cf3ac7ddb298033974d9cb5b3504ff0073072c6ed4f497eb6e73b6b8","sha256:cf2f62fbc73fc3c7ce93c27ed800acb9de5dd48ac4d51a1ed0e78fced71c1967"],"state_sha256":"e9bdcf40ef913716c4ee271ee357d9b404ef2d1bb0b8f24a156e192aa41c2ee0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xdhZ0SaKlgp5OiLTXdP9ZRgvtBxoOSI2T4mg5/pvwNsLW2coQMSQ+U5A3zlw8kSXssBETnOvGPPDrTFsx/8ZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T18:22:28.077907Z","bundle_sha256":"8b13808528872cb68478e8ff4d4a238edc2aaa530ebf836ee0c7225bc1ed6302"}}