{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:UPU3N3TBJH7YMQ2EMPP2I2YQDJ","short_pith_number":"pith:UPU3N3TB","schema_version":"1.0","canonical_sha256":"a3e9b6ee6149ff86434463dfa46b101a53845ee6cedcf2efc2173823ff37a46d","source":{"kind":"arxiv","id":"1109.4303","version":1},"attestation_state":"computed","paper":{"title":"Violation of a Bell inequality in two-dimensional spin-orbit hypoentangled subspaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Lixiang Chen, Xiancong Lu, Zhongqun Cheng","submitted_at":"2011-09-20T14:21:28Z","abstract_excerpt":"Based on spin-orbit coupling induced by q-plates, we present a feasible experimental proposal for preparing two-dimensional spatially inhomogeneous polarizations of light. We further investigate the quantum correlations between these inhomogeneous polarizations of photon pairs generated by spontaneous parametric down-conversion, which in essence describe the so-called hypoentanglement that is established between composite spin-orbit variables of photons. The violation of the Clauser-Horne-Shimony-Holt-Bell inequality is predicted with S=2\\sqrt2 to illustrate the entangled nature of the cylindr"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1109.4303","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-20T14:21:28Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"54b70396d4247d70ff17b50b0e84f3751ff9568f901542915ceaed08ae077c3c","abstract_canon_sha256":"e8edf7762acaf4c81918cf189bca8ee7c5376e4a10f89a824e92f658afd5d89e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:28.782067Z","signature_b64":"PnhWELBF0ICiNLWybcPvrsz2l7VCn38aKFDwSAB1dIMN0/RqMh4CTPVhb5UngPumuT5proiVY2iEASUYdhbEBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3e9b6ee6149ff86434463dfa46b101a53845ee6cedcf2efc2173823ff37a46d","last_reissued_at":"2026-05-18T02:00:28.781458Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:28.781458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Violation of a Bell inequality in two-dimensional spin-orbit hypoentangled subspaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Lixiang Chen, Xiancong Lu, Zhongqun Cheng","submitted_at":"2011-09-20T14:21:28Z","abstract_excerpt":"Based on spin-orbit coupling induced by q-plates, we present a feasible experimental proposal for preparing two-dimensional spatially inhomogeneous polarizations of light. We further investigate the quantum correlations between these inhomogeneous polarizations of photon pairs generated by spontaneous parametric down-conversion, which in essence describe the so-called hypoentanglement that is established between composite spin-orbit variables of photons. The violation of the Clauser-Horne-Shimony-Holt-Bell inequality is predicted with S=2\\sqrt2 to illustrate the entangled nature of the cylindr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4303","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1109.4303","created_at":"2026-05-18T02:00:28.781544+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.4303v1","created_at":"2026-05-18T02:00:28.781544+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4303","created_at":"2026-05-18T02:00:28.781544+00:00"},{"alias_kind":"pith_short_12","alias_value":"UPU3N3TBJH7Y","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_16","alias_value":"UPU3N3TBJH7YMQ2E","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_8","alias_value":"UPU3N3TB","created_at":"2026-05-18T12:26:42.757692+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ","json":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ.json","graph_json":"https://pith.science/api/pith-number/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/graph.json","events_json":"https://pith.science/api/pith-number/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/events.json","paper":"https://pith.science/paper/UPU3N3TB"},"agent_actions":{"view_html":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ","download_json":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ.json","view_paper":"https://pith.science/paper/UPU3N3TB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.4303&json=true","fetch_graph":"https://pith.science/api/pith-number/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/graph.json","fetch_events":"https://pith.science/api/pith-number/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/action/storage_attestation","attest_author":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/action/author_attestation","sign_citation":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/action/citation_signature","submit_replication":"https://pith.science/pith/UPU3N3TBJH7YMQ2EMPP2I2YQDJ/action/replication_record"}},"created_at":"2026-05-18T02:00:28.781544+00:00","updated_at":"2026-05-18T02:00:28.781544+00:00"}