{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZKSTX7TRGRUSMOINISY3TQTZTZ","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":"cb5252902aca23397f6c1850bcc95676fcceb075391d1a518fc8f91927f684da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-15T16:00:45Z","title_canon_sha256":"2583b38b503f841a1eb12f012517e231d3b8b126468a4886973c7bdcdc7b55bb"},"schema_version":"1.0","source":{"id":"1807.05567","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05567","created_at":"2026-05-17T23:57:10Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05567v1","created_at":"2026-05-17T23:57:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05567","created_at":"2026-05-17T23:57:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZKSTX7TRGRUS","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZKSTX7TRGRUSMOIN","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZKSTX7TR","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:462b13af6ed3de550dafda257e8519f5a2e5aaee231f76a0cb22506b5136db85","target":"graph","created_at":"2026-05-17T23:57:10Z","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 experimentally observed the violation of Kujula-Dzhafarov noncontextuality inequalities by non-separable spin-orbit laser modes. Qubits are encoded on polarization and transverse modes of an intense laser beam. A spin-orbit non-separable mode was produced by means of a radial polarization converter (S-plate). The results show that contextuality can be investigated by using spin-orbit modes in a simple way, corroborating recent works stating that such system can emulate single-photon experiments. Additionally, an improvement in the non-separable mode preparation allowed us to observe a great","authors_text":"A. Z. Khoury, C. E. R. Souza, J. Acacio de Barros, J. A. O. Huguenin, M. H. M. Passos, W. F. Balthazar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-15T16:00:45Z","title":"Contextuality in spin-orbit laser modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05567","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":"sha256:5f77d89a983a307e80c7e39376815d585b440aa5c1ef9466587cd3b362ce8882","target":"record","created_at":"2026-05-17T23:57:10Z","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":"cb5252902aca23397f6c1850bcc95676fcceb075391d1a518fc8f91927f684da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-07-15T16:00:45Z","title_canon_sha256":"2583b38b503f841a1eb12f012517e231d3b8b126468a4886973c7bdcdc7b55bb"},"schema_version":"1.0","source":{"id":"1807.05567","kind":"arxiv","version":1}},"canonical_sha256":"caa53bfe71346926390d44b1b9c2799e72807d1478d5dcbf8c643bcd615e82e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"caa53bfe71346926390d44b1b9c2799e72807d1478d5dcbf8c643bcd615e82e8","first_computed_at":"2026-05-17T23:57:10.216548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:10.216548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yvn3OjBZptBKrgGidXTIW8a1BUCpTK9nJBSKK7WyR0Kx6ToLF8sYpXB6g8HUXuolzJrLiNL7Bbz8pWNTtjCiBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:10.216931Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.05567","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f77d89a983a307e80c7e39376815d585b440aa5c1ef9466587cd3b362ce8882","sha256:462b13af6ed3de550dafda257e8519f5a2e5aaee231f76a0cb22506b5136db85"],"state_sha256":"6dda5b897b8b291c000c1612e2177b7b83141a4deab0b63044ebec3d2ccf30be"}