{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:I653MXPL2AEREVQQ7JF3CTUEMP","short_pith_number":"pith:I653MXPL","canonical_record":{"source":{"id":"1305.6366","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-28T04:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"fc856e5d9c7585e25a42700e9b597228fe4af7b50739a87a8bdc51c3bafdc1ac","abstract_canon_sha256":"8c320bcc72329d2d6fb816694e4eb8672f565719f6621e99b726f999db9dd578"},"schema_version":"1.0"},"canonical_sha256":"47bbb65debd009125610fa4bb14e8463fd15ae6b59b71060609d2a9eec2e26eb","source":{"kind":"arxiv","id":"1305.6366","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6366","created_at":"2026-05-18T02:56:12Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6366v4","created_at":"2026-05-18T02:56:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6366","created_at":"2026-05-18T02:56:12Z"},{"alias_kind":"pith_short_12","alias_value":"I653MXPL2AER","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I653MXPL2AEREVQQ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I653MXPL","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:I653MXPL2AEREVQQ7JF3CTUEMP","target":"record","payload":{"canonical_record":{"source":{"id":"1305.6366","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-28T04:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"fc856e5d9c7585e25a42700e9b597228fe4af7b50739a87a8bdc51c3bafdc1ac","abstract_canon_sha256":"8c320bcc72329d2d6fb816694e4eb8672f565719f6621e99b726f999db9dd578"},"schema_version":"1.0"},"canonical_sha256":"47bbb65debd009125610fa4bb14e8463fd15ae6b59b71060609d2a9eec2e26eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:56:12.705270Z","signature_b64":"akmFJDr64Ks/bL9niNmD8dwRMm2NCXQ33I5crF9TTmBvlxXQlGmg/QUotAUK7pKHNUEz9S/TyH/FM0viEWOcBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"47bbb65debd009125610fa4bb14e8463fd15ae6b59b71060609d2a9eec2e26eb","last_reissued_at":"2026-05-18T02:56:12.704826Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:56:12.704826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.6366","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:56:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8WhGyyZKgfisyCgXC/fbpIgcCw2AXAc7yyExaFF9czmhDl3R+tZiDh66KDqf5wPFuGDmDTjsyOZIbDPEO2sRDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:09:17.363089Z"},"content_sha256":"495f586aa9a9668e983ebcc3dae230b424ac973181c9e894b2e538783252e092","schema_version":"1.0","event_id":"sha256:495f586aa9a9668e983ebcc3dae230b424ac973181c9e894b2e538783252e092"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:I653MXPL2AEREVQQ7JF3CTUEMP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum advantage by weak measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bo Li, Heng Fan, Lin-Ping Huai, Shi-Xian Qu","submitted_at":"2013-05-28T04:34:42Z","abstract_excerpt":"Weak measurements may result in extra quantity of quantumness of correlations compared with standard projective measurement on a bipartite quantum state. We show that the quantumness of correlations by weak measurements can be consumed for information encoding which is only accessible by coherent quantum interactions. Then it can be considered as a resource for quantum information processing and can quantify this quantum advantage. We conclude that weak measurements can create more valuable quantum correlation."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6366","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:56:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YcY1H7bOGQCs2of5SX4uaVEtSwPhj5OFOTg53+XrXM7AP2jsY0as/nPob89QlfLMMGW4ootjtDVfQ6Sy+VEPDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:09:17.363764Z"},"content_sha256":"7f31ad850d3dfb0f99e1d9666843353c1ce56e20a628ea726919a070ab40913d","schema_version":"1.0","event_id":"sha256:7f31ad850d3dfb0f99e1d9666843353c1ce56e20a628ea726919a070ab40913d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I653MXPL2AEREVQQ7JF3CTUEMP/bundle.json","state_url":"https://pith.science/pith/I653MXPL2AEREVQQ7JF3CTUEMP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I653MXPL2AEREVQQ7JF3CTUEMP/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":"2026-05-30T06:09:17Z","links":{"resolver":"https://pith.science/pith/I653MXPL2AEREVQQ7JF3CTUEMP","bundle":"https://pith.science/pith/I653MXPL2AEREVQQ7JF3CTUEMP/bundle.json","state":"https://pith.science/pith/I653MXPL2AEREVQQ7JF3CTUEMP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I653MXPL2AEREVQQ7JF3CTUEMP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:I653MXPL2AEREVQQ7JF3CTUEMP","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":"8c320bcc72329d2d6fb816694e4eb8672f565719f6621e99b726f999db9dd578","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-28T04:34:42Z","title_canon_sha256":"fc856e5d9c7585e25a42700e9b597228fe4af7b50739a87a8bdc51c3bafdc1ac"},"schema_version":"1.0","source":{"id":"1305.6366","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.6366","created_at":"2026-05-18T02:56:12Z"},{"alias_kind":"arxiv_version","alias_value":"1305.6366v4","created_at":"2026-05-18T02:56:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.6366","created_at":"2026-05-18T02:56:12Z"},{"alias_kind":"pith_short_12","alias_value":"I653MXPL2AER","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"I653MXPL2AEREVQQ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"I653MXPL","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:7f31ad850d3dfb0f99e1d9666843353c1ce56e20a628ea726919a070ab40913d","target":"graph","created_at":"2026-05-18T02:56:12Z","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":"Weak measurements may result in extra quantity of quantumness of correlations compared with standard projective measurement on a bipartite quantum state. We show that the quantumness of correlations by weak measurements can be consumed for information encoding which is only accessible by coherent quantum interactions. Then it can be considered as a resource for quantum information processing and can quantify this quantum advantage. We conclude that weak measurements can create more valuable quantum correlation.","authors_text":"Bo Li, Heng Fan, Lin-Ping Huai, Shi-Xian Qu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-28T04:34:42Z","title":"Quantum advantage by weak measurements"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.6366","kind":"arxiv","version":4},"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":"sha256:495f586aa9a9668e983ebcc3dae230b424ac973181c9e894b2e538783252e092","target":"record","created_at":"2026-05-18T02:56:12Z","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":"8c320bcc72329d2d6fb816694e4eb8672f565719f6621e99b726f999db9dd578","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-05-28T04:34:42Z","title_canon_sha256":"fc856e5d9c7585e25a42700e9b597228fe4af7b50739a87a8bdc51c3bafdc1ac"},"schema_version":"1.0","source":{"id":"1305.6366","kind":"arxiv","version":4}},"canonical_sha256":"47bbb65debd009125610fa4bb14e8463fd15ae6b59b71060609d2a9eec2e26eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"47bbb65debd009125610fa4bb14e8463fd15ae6b59b71060609d2a9eec2e26eb","first_computed_at":"2026-05-18T02:56:12.704826Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:56:12.704826Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"akmFJDr64Ks/bL9niNmD8dwRMm2NCXQ33I5crF9TTmBvlxXQlGmg/QUotAUK7pKHNUEz9S/TyH/FM0viEWOcBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:56:12.705270Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.6366","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:495f586aa9a9668e983ebcc3dae230b424ac973181c9e894b2e538783252e092","sha256:7f31ad850d3dfb0f99e1d9666843353c1ce56e20a628ea726919a070ab40913d"],"state_sha256":"60c1e10e7ae33c4256e5a7210e10651217fb934b8d77841a31347b282036b1e9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FHp0I4Cm6Pf18Pwz5OXN3JJrnz9vBLPZghi905QaNpthq3d8HlqmnGKj5NRtPc0GlLs+/JADP3NNvFMPHJSpBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:09:17.366946Z","bundle_sha256":"d177457da3baa2a4debeb92ccf44608eb78247323349a2f9645ede71cd0ad523"}}