{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:Z67HGDQUWBIH5I6Z5TPDQPN6HC","short_pith_number":"pith:Z67HGDQU","canonical_record":{"source":{"id":"1704.08142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-04-26T14:38:31Z","cross_cats_sorted":[],"title_canon_sha256":"2590bbefb9ecfd08143913f56fc2bf1ab93cb3c0f84afdce6362c2517e7addd5","abstract_canon_sha256":"7af796ebcd86eeaff51591bd47d4041c41841a2bfa9dff8d0e20ba816077ccd8"},"schema_version":"1.0"},"canonical_sha256":"cfbe730e14b0507ea3d9ecde383dbe389446138e5fad9a232b60b161356173ef","source":{"kind":"arxiv","id":"1704.08142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.08142","created_at":"2026-05-18T00:45:31Z"},{"alias_kind":"arxiv_version","alias_value":"1704.08142v1","created_at":"2026-05-18T00:45:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.08142","created_at":"2026-05-18T00:45:31Z"},{"alias_kind":"pith_short_12","alias_value":"Z67HGDQUWBIH","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z67HGDQUWBIH5I6Z","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z67HGDQU","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:Z67HGDQUWBIH5I6Z5TPDQPN6HC","target":"record","payload":{"canonical_record":{"source":{"id":"1704.08142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-04-26T14:38:31Z","cross_cats_sorted":[],"title_canon_sha256":"2590bbefb9ecfd08143913f56fc2bf1ab93cb3c0f84afdce6362c2517e7addd5","abstract_canon_sha256":"7af796ebcd86eeaff51591bd47d4041c41841a2bfa9dff8d0e20ba816077ccd8"},"schema_version":"1.0"},"canonical_sha256":"cfbe730e14b0507ea3d9ecde383dbe389446138e5fad9a232b60b161356173ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:31.032842Z","signature_b64":"Ph7whUMGfigGoDaL7jJwEkPDZLXyryNlmG5MGgPkzawbEUZEu79cPrBCKRIP3nsikM+dLLvokBPg0BWzw4k/Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfbe730e14b0507ea3d9ecde383dbe389446138e5fad9a232b60b161356173ef","last_reissued_at":"2026-05-18T00:45:31.032467Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:31.032467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.08142","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":"2026-05-18T00:45:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6PxSK9Lto+KhwLYEoVZGCl7hsbjiVyzmPCQvUgeoyy3R0ANqHmazSupzyxi8+WIXu+E8biNKbRcenA0GqclADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T21:56:30.112106Z"},"content_sha256":"415c8825f95e2e26cf785ae13106f1699d450a281eca907f6396ece492816511","schema_version":"1.0","event_id":"sha256:415c8825f95e2e26cf785ae13106f1699d450a281eca907f6396ece492816511"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:Z67HGDQUWBIH5I6Z5TPDQPN6HC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Maximal violation of Bell inequalities under local filtering","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chang-Pu Sun, Huihui Qin, Jing Wang, Ming Li, Shao-Ming Fei","submitted_at":"2017-04-26T14:38:31Z","abstract_excerpt":"We investigate the behavior of the maximal violations of the CHSH inequality and V$\\grave{e}$rtesi's inequality under the local filtering operations. An analytical method has been presented for general two-qubit systems to compute the maximal violation of the CHSH inequality and the lower bound of the maximal violation of V$\\acute{e}$rtesi's inequality over the local filtering operations. We show by examples that there exist quantum states whose non-locality can be revealed after local filtering operation by the V$\\acute{e}$rtesi's inequality instead of the CHSH inequality."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.08142","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":"2026-05-18T00:45:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GwhOa1vFcD8OjZNhc6F7IvEc8AG/RjnK/Rxm7mzNMmLUkONeqVHw+IZttfECpAjh9kscgB7Q99mmQ1OqTZ6+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T21:56:30.112455Z"},"content_sha256":"59661a2ab8927b5ae513335659dff9961d1698437c09bbe3f7c542bfab11ff04","schema_version":"1.0","event_id":"sha256:59661a2ab8927b5ae513335659dff9961d1698437c09bbe3f7c542bfab11ff04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z67HGDQUWBIH5I6Z5TPDQPN6HC/bundle.json","state_url":"https://pith.science/pith/Z67HGDQUWBIH5I6Z5TPDQPN6HC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z67HGDQUWBIH5I6Z5TPDQPN6HC/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":"2026-06-10T21:56:30Z","links":{"resolver":"https://pith.science/pith/Z67HGDQUWBIH5I6Z5TPDQPN6HC","bundle":"https://pith.science/pith/Z67HGDQUWBIH5I6Z5TPDQPN6HC/bundle.json","state":"https://pith.science/pith/Z67HGDQUWBIH5I6Z5TPDQPN6HC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z67HGDQUWBIH5I6Z5TPDQPN6HC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:Z67HGDQUWBIH5I6Z5TPDQPN6HC","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":"7af796ebcd86eeaff51591bd47d4041c41841a2bfa9dff8d0e20ba816077ccd8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-04-26T14:38:31Z","title_canon_sha256":"2590bbefb9ecfd08143913f56fc2bf1ab93cb3c0f84afdce6362c2517e7addd5"},"schema_version":"1.0","source":{"id":"1704.08142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.08142","created_at":"2026-05-18T00:45:31Z"},{"alias_kind":"arxiv_version","alias_value":"1704.08142v1","created_at":"2026-05-18T00:45:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.08142","created_at":"2026-05-18T00:45:31Z"},{"alias_kind":"pith_short_12","alias_value":"Z67HGDQUWBIH","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z67HGDQUWBIH5I6Z","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z67HGDQU","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:59661a2ab8927b5ae513335659dff9961d1698437c09bbe3f7c542bfab11ff04","target":"graph","created_at":"2026-05-18T00:45:31Z","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 investigate the behavior of the maximal violations of the CHSH inequality and V$\\grave{e}$rtesi's inequality under the local filtering operations. An analytical method has been presented for general two-qubit systems to compute the maximal violation of the CHSH inequality and the lower bound of the maximal violation of V$\\acute{e}$rtesi's inequality over the local filtering operations. We show by examples that there exist quantum states whose non-locality can be revealed after local filtering operation by the V$\\acute{e}$rtesi's inequality instead of the CHSH inequality.","authors_text":"Chang-Pu Sun, Huihui Qin, Jing Wang, Ming Li, Shao-Ming Fei","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-04-26T14:38:31Z","title":"Maximal violation of Bell inequalities under local filtering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.08142","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":"sha256:415c8825f95e2e26cf785ae13106f1699d450a281eca907f6396ece492816511","target":"record","created_at":"2026-05-18T00:45:31Z","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":"7af796ebcd86eeaff51591bd47d4041c41841a2bfa9dff8d0e20ba816077ccd8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-04-26T14:38:31Z","title_canon_sha256":"2590bbefb9ecfd08143913f56fc2bf1ab93cb3c0f84afdce6362c2517e7addd5"},"schema_version":"1.0","source":{"id":"1704.08142","kind":"arxiv","version":1}},"canonical_sha256":"cfbe730e14b0507ea3d9ecde383dbe389446138e5fad9a232b60b161356173ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfbe730e14b0507ea3d9ecde383dbe389446138e5fad9a232b60b161356173ef","first_computed_at":"2026-05-18T00:45:31.032467Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:45:31.032467Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ph7whUMGfigGoDaL7jJwEkPDZLXyryNlmG5MGgPkzawbEUZEu79cPrBCKRIP3nsikM+dLLvokBPg0BWzw4k/Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:45:31.032842Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.08142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:415c8825f95e2e26cf785ae13106f1699d450a281eca907f6396ece492816511","sha256:59661a2ab8927b5ae513335659dff9961d1698437c09bbe3f7c542bfab11ff04"],"state_sha256":"2a2001b804709a02e33cb4958f91ecb06f1f5978d2ad7c3444a0c494717f2c3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kl/78iaRQl4cS+8sXxCNbJE3AF+mzwlEbXl/y4ArHTiQTcJj3/QyaX3IlvEnyROZCQ48MODeWAQZrgoGUiM5Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T21:56:30.114445Z","bundle_sha256":"af6525e773b23844049a8a281262891a14aae578e4a230543f618288a1d2c2ea"}}