{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:4GP556NITGXV6DK57XYE4BG6AZ","short_pith_number":"pith:4GP556NI","canonical_record":{"source":{"id":"1204.3803","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-17T14:43:44Z","cross_cats_sorted":[],"title_canon_sha256":"844c7fbe252d54f2e76cf9317515a3910c49e39cf5c6fda5240f64081d3ada17","abstract_canon_sha256":"e8436431717f7d82738d1b1e94c365c8a45848260d7146dc2acbf93dc5ce958b"},"schema_version":"1.0"},"canonical_sha256":"e19fdef9a899af5f0d5dfdf04e04de067628bb72097767cb8c58bf1634eeca53","source":{"kind":"arxiv","id":"1204.3803","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3803","created_at":"2026-05-18T03:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3803v3","created_at":"2026-05-18T03:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3803","created_at":"2026-05-18T03:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"4GP556NITGXV","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4GP556NITGXV6DK5","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4GP556NI","created_at":"2026-05-18T12:26:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:4GP556NITGXV6DK57XYE4BG6AZ","target":"record","payload":{"canonical_record":{"source":{"id":"1204.3803","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-17T14:43:44Z","cross_cats_sorted":[],"title_canon_sha256":"844c7fbe252d54f2e76cf9317515a3910c49e39cf5c6fda5240f64081d3ada17","abstract_canon_sha256":"e8436431717f7d82738d1b1e94c365c8a45848260d7146dc2acbf93dc5ce958b"},"schema_version":"1.0"},"canonical_sha256":"e19fdef9a899af5f0d5dfdf04e04de067628bb72097767cb8c58bf1634eeca53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:43:52.382011Z","signature_b64":"WNp4t+ug/ILuR/HUoHqR7npf7TIZmAv0Y9Yh7Gq2Mu72ZWvdLjpWiqpyZLrf3F//rvL3jqH7n8YpCsda2mMKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e19fdef9a899af5f0d5dfdf04e04de067628bb72097767cb8c58bf1634eeca53","last_reissued_at":"2026-05-18T03:43:52.381558Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:43:52.381558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.3803","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1HHJLfBRMeT8PJ4oz1Mb2crh+y7B4uhUFmgXYkSiUYXEKCwYlaWwsfL6a+nGC4WNlZPhhERpopjwM6rYkEtvCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:06:15.747075Z"},"content_sha256":"ca0e85eada6fd302d6080a409677d358623007a46634ff65fbae7049a202f9e6","schema_version":"1.0","event_id":"sha256:ca0e85eada6fd302d6080a409677d358623007a46634ff65fbae7049a202f9e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:4GP556NITGXV6DK57XYE4BG6AZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum discord and classical correlation can tighten the uncertainty principle in the presence of quantum memory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. K. Rajagopal, Arun Kumar Pati, A. R. Usha Devi, Mark M. Wilde, Sudha","submitted_at":"2012-04-17T14:43:44Z","abstract_excerpt":"Uncertainty relations capture the essence of the inevitable randomness associated with the outcomes of two incompatible quantum measurements. Recently, Berta et al. have shown that the lower bound on the uncertainties of the measurement outcomes depends on the correlations between the observed system and an observer who possesses a quantum memory. If the system is maximally entangled with its memory, the outcomes of two incompatible measurements made on the system can be predicted precisely. Here, we obtain a new uncertainty relation that tightens the lower bound of Berta et al., by incorporat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3803","kind":"arxiv","version":3},"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":"2026-05-18T03:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+xN7VwxsPpoef2yB8twNPgOykFWl1+2sYjKS34svGnCi8X1hR/A8A4/0IdYTrChi5Wa7IE2J6gdSvH5kCz9xAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:06:15.747832Z"},"content_sha256":"62e1b24d53bf580cf5a002852203faead5f5cae67c5a002b50b3e354a89e91e6","schema_version":"1.0","event_id":"sha256:62e1b24d53bf580cf5a002852203faead5f5cae67c5a002b50b3e354a89e91e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GP556NITGXV6DK57XYE4BG6AZ/bundle.json","state_url":"https://pith.science/pith/4GP556NITGXV6DK57XYE4BG6AZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GP556NITGXV6DK57XYE4BG6AZ/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":"2026-05-31T10:06:15Z","links":{"resolver":"https://pith.science/pith/4GP556NITGXV6DK57XYE4BG6AZ","bundle":"https://pith.science/pith/4GP556NITGXV6DK57XYE4BG6AZ/bundle.json","state":"https://pith.science/pith/4GP556NITGXV6DK57XYE4BG6AZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GP556NITGXV6DK57XYE4BG6AZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:4GP556NITGXV6DK57XYE4BG6AZ","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":"e8436431717f7d82738d1b1e94c365c8a45848260d7146dc2acbf93dc5ce958b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-17T14:43:44Z","title_canon_sha256":"844c7fbe252d54f2e76cf9317515a3910c49e39cf5c6fda5240f64081d3ada17"},"schema_version":"1.0","source":{"id":"1204.3803","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3803","created_at":"2026-05-18T03:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3803v3","created_at":"2026-05-18T03:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3803","created_at":"2026-05-18T03:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"4GP556NITGXV","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_16","alias_value":"4GP556NITGXV6DK5","created_at":"2026-05-18T12:26:53Z"},{"alias_kind":"pith_short_8","alias_value":"4GP556NI","created_at":"2026-05-18T12:26:53Z"}],"graph_snapshots":[{"event_id":"sha256:62e1b24d53bf580cf5a002852203faead5f5cae67c5a002b50b3e354a89e91e6","target":"graph","created_at":"2026-05-18T03:43:52Z","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":"Uncertainty relations capture the essence of the inevitable randomness associated with the outcomes of two incompatible quantum measurements. Recently, Berta et al. have shown that the lower bound on the uncertainties of the measurement outcomes depends on the correlations between the observed system and an observer who possesses a quantum memory. If the system is maximally entangled with its memory, the outcomes of two incompatible measurements made on the system can be predicted precisely. Here, we obtain a new uncertainty relation that tightens the lower bound of Berta et al., by incorporat","authors_text":"A. K. Rajagopal, Arun Kumar Pati, A. R. Usha Devi, Mark M. Wilde, Sudha","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-17T14:43:44Z","title":"Quantum discord and classical correlation can tighten the uncertainty principle in the presence of quantum memory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3803","kind":"arxiv","version":3},"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:ca0e85eada6fd302d6080a409677d358623007a46634ff65fbae7049a202f9e6","target":"record","created_at":"2026-05-18T03:43:52Z","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":"e8436431717f7d82738d1b1e94c365c8a45848260d7146dc2acbf93dc5ce958b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-04-17T14:43:44Z","title_canon_sha256":"844c7fbe252d54f2e76cf9317515a3910c49e39cf5c6fda5240f64081d3ada17"},"schema_version":"1.0","source":{"id":"1204.3803","kind":"arxiv","version":3}},"canonical_sha256":"e19fdef9a899af5f0d5dfdf04e04de067628bb72097767cb8c58bf1634eeca53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e19fdef9a899af5f0d5dfdf04e04de067628bb72097767cb8c58bf1634eeca53","first_computed_at":"2026-05-18T03:43:52.381558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:43:52.381558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WNp4t+ug/ILuR/HUoHqR7npf7TIZmAv0Y9Yh7Gq2Mu72ZWvdLjpWiqpyZLrf3F//rvL3jqH7n8YpCsda2mMKBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:43:52.382011Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.3803","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca0e85eada6fd302d6080a409677d358623007a46634ff65fbae7049a202f9e6","sha256:62e1b24d53bf580cf5a002852203faead5f5cae67c5a002b50b3e354a89e91e6"],"state_sha256":"a65a87ce66329ecec1d69f0830b86a2c64c5b06f29d821ab61e245eeaa836f01"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7hBRHDnwGF5DJl4GL9d4JE7ZwBq35uOGOmhbo7pE2ccct1xL7RK8Gm9vDqph6nbzE4rkZTcrZ3vkUtm9RvP1Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T10:06:15.751951Z","bundle_sha256":"44e5df982de023476dc7061525ca9e9148144e3d7fc825fd07d5219b57b4700a"}}