{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ERYQP5ZOJSHBG2V5YJT7HAO5NB","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":"6377bfb23575d767f9a4315058b25fa21d9d5132dfb91a53b9b6e202aee6e510","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-04-29T23:21:09Z","title_canon_sha256":"90a8fda49f5bbfb2eac0a36c90a12b952fb69ede66f06ffbacf40830df97de24"},"schema_version":"1.0","source":{"id":"1504.08046","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.08046","created_at":"2026-05-18T01:23:12Z"},{"alias_kind":"arxiv_version","alias_value":"1504.08046v1","created_at":"2026-05-18T01:23:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.08046","created_at":"2026-05-18T01:23:12Z"},{"alias_kind":"pith_short_12","alias_value":"ERYQP5ZOJSHB","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"ERYQP5ZOJSHBG2V5","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"ERYQP5ZO","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:4ae99d7a8c9a14e49a3434d101e08865d8db76a159b0257839bfc6eda5b356b0","target":"graph","created_at":"2026-05-18T01:23:12Z","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":"We propose a practical quantum cryptographic scheme which combines high information capacity, such as provided by high-dimensional quantum entanglement, with the simplicity of a two-dimensional Clauser-Horne-Shimony-Holt (CHSH) Bell test for security verification. By applying a state combining entanglement in a two-dimensional degree of freedom, such as photon polarization, with high-dimensional correlations in another degree of freedom, such as photon orbital angular momentum (OAM) or path, the scheme provides a considerably simplified route towards security verification in quantum key distri","authors_text":"Adetunmise C. Dada","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-04-29T23:21:09Z","title":"Multiplexing scheme for simplified entanglement-based large-alphabet quantum key distribution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.08046","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:ffc6b49bea83a586098282d8b7fffb16a4582bdc095641f1200f258c9e07dd8f","target":"record","created_at":"2026-05-18T01:23:12Z","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":"6377bfb23575d767f9a4315058b25fa21d9d5132dfb91a53b9b6e202aee6e510","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-04-29T23:21:09Z","title_canon_sha256":"90a8fda49f5bbfb2eac0a36c90a12b952fb69ede66f06ffbacf40830df97de24"},"schema_version":"1.0","source":{"id":"1504.08046","kind":"arxiv","version":1}},"canonical_sha256":"247107f72e4c8e136abdc267f381dd68456324ed8bed84d282ecc5563edd862e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"247107f72e4c8e136abdc267f381dd68456324ed8bed84d282ecc5563edd862e","first_computed_at":"2026-05-18T01:23:12.329166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:12.329166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i72xf4lZyHxKHMmLMwoPkZzZ4f61TrXM7r3kAEst6P8yH51oLbIjfn3lNLqeQYRobaDgI7VF7WtTctYYRhEFBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:12.329877Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.08046","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ffc6b49bea83a586098282d8b7fffb16a4582bdc095641f1200f258c9e07dd8f","sha256:4ae99d7a8c9a14e49a3434d101e08865d8db76a159b0257839bfc6eda5b356b0"],"state_sha256":"d75415d6ab0bd734bb4b3d22d49b3d8379b2f5cb697daf89ff012e9127a795d0"}