{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:QVHRS662GKYP7J6LPUI53X5DPS","short_pith_number":"pith:QVHRS662","canonical_record":{"source":{"id":"1409.0889","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-02T20:55:21Z","cross_cats_sorted":[],"title_canon_sha256":"d375f47c5f81f5d64b11d7b0d98052041fb29176bdd7a1b2a20fd016e2728f8e","abstract_canon_sha256":"2b7b7123c8a6ebf6543b9945386b054261f1ec1569123f6c23dbde5cea7cb758"},"schema_version":"1.0"},"canonical_sha256":"854f197bda32b0ffa7cb7d11dddfa37c9d543e20f7a4471df2cbc4cc7485d073","source":{"kind":"arxiv","id":"1409.0889","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.0889","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.0889v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.0889","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"QVHRS662GKYP","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QVHRS662GKYP7J6L","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QVHRS662","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:QVHRS662GKYP7J6LPUI53X5DPS","target":"record","payload":{"canonical_record":{"source":{"id":"1409.0889","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-02T20:55:21Z","cross_cats_sorted":[],"title_canon_sha256":"d375f47c5f81f5d64b11d7b0d98052041fb29176bdd7a1b2a20fd016e2728f8e","abstract_canon_sha256":"2b7b7123c8a6ebf6543b9945386b054261f1ec1569123f6c23dbde5cea7cb758"},"schema_version":"1.0"},"canonical_sha256":"854f197bda32b0ffa7cb7d11dddfa37c9d543e20f7a4471df2cbc4cc7485d073","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:08.950275Z","signature_b64":"+M0VEcFrVo8ENP83HhtFnytcdNkO+HDnF7u+KreZQli/uPeGe/iB05kcErYgJluRe89hrfl9lcs/80XDk+GhCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"854f197bda32b0ffa7cb7d11dddfa37c9d543e20f7a4471df2cbc4cc7485d073","last_reissued_at":"2026-05-18T01:42:08.949609Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:08.949609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.0889","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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7as51VIPvkzWzJvrN0rKM+x4kViXZJ96OLrTwd3RZsEOPByji7Cub2dmSRRLziqNhljxyzVCXLiarDfNiqdKDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:55:07.017625Z"},"content_sha256":"ad984dd92ad24673fdc914a2f1ffa172dd9bd118abeec474d84760c70e9d62d8","schema_version":"1.0","event_id":"sha256:ad984dd92ad24673fdc914a2f1ffa172dd9bd118abeec474d84760c70e9d62d8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:QVHRS662GKYP7J6LPUI53X5DPS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum and classical separability of spin-orbit laser modes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. Z. Khoury, K. Dechoum, L. J. Pereira","submitted_at":"2014-09-02T20:55:21Z","abstract_excerpt":"In this work we investigate the quantum noise properties of polarization vortices in connection with an intensity based Clauser-Horne-Shimony-Holt inequality for their spin-orbit separability. We evaluate the inequality for different input quantum states and the corresponding intensity fluctuations. The roles played by coherence and photon number squeezing provide a suitable framework for characterizing pure state spin-orbit entanglement. Structural inseparability of the spin-orbit mode requires coherence, an issue concerning either classical or quantum descriptions. In both cases, it can be w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.0889","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":"2026-05-18T01:42:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bh45RjH0bozouNgXNd6TPkrG7dl/CvsfN4jwzr38vFi+i2QBHZnqZQyg+bNXZhsgRxXx/gpT83QVhriCRqysBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:55:07.018346Z"},"content_sha256":"d0b0584913ce29dd3d1d49cfd15ea022ea78b3beeb95bd9ad72c8ec8127bff21","schema_version":"1.0","event_id":"sha256:d0b0584913ce29dd3d1d49cfd15ea022ea78b3beeb95bd9ad72c8ec8127bff21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVHRS662GKYP7J6LPUI53X5DPS/bundle.json","state_url":"https://pith.science/pith/QVHRS662GKYP7J6LPUI53X5DPS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVHRS662GKYP7J6LPUI53X5DPS/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":"2026-05-27T00:55:07Z","links":{"resolver":"https://pith.science/pith/QVHRS662GKYP7J6LPUI53X5DPS","bundle":"https://pith.science/pith/QVHRS662GKYP7J6LPUI53X5DPS/bundle.json","state":"https://pith.science/pith/QVHRS662GKYP7J6LPUI53X5DPS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVHRS662GKYP7J6LPUI53X5DPS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:QVHRS662GKYP7J6LPUI53X5DPS","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":"2b7b7123c8a6ebf6543b9945386b054261f1ec1569123f6c23dbde5cea7cb758","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-02T20:55:21Z","title_canon_sha256":"d375f47c5f81f5d64b11d7b0d98052041fb29176bdd7a1b2a20fd016e2728f8e"},"schema_version":"1.0","source":{"id":"1409.0889","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.0889","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"arxiv_version","alias_value":"1409.0889v1","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.0889","created_at":"2026-05-18T01:42:08Z"},{"alias_kind":"pith_short_12","alias_value":"QVHRS662GKYP","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"QVHRS662GKYP7J6L","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"QVHRS662","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:d0b0584913ce29dd3d1d49cfd15ea022ea78b3beeb95bd9ad72c8ec8127bff21","target":"graph","created_at":"2026-05-18T01:42:08Z","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":"In this work we investigate the quantum noise properties of polarization vortices in connection with an intensity based Clauser-Horne-Shimony-Holt inequality for their spin-orbit separability. We evaluate the inequality for different input quantum states and the corresponding intensity fluctuations. The roles played by coherence and photon number squeezing provide a suitable framework for characterizing pure state spin-orbit entanglement. Structural inseparability of the spin-orbit mode requires coherence, an issue concerning either classical or quantum descriptions. In both cases, it can be w","authors_text":"A. Z. Khoury, K. Dechoum, L. J. Pereira","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-02T20:55:21Z","title":"Quantum and classical separability of spin-orbit laser modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.0889","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:ad984dd92ad24673fdc914a2f1ffa172dd9bd118abeec474d84760c70e9d62d8","target":"record","created_at":"2026-05-18T01:42:08Z","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":"2b7b7123c8a6ebf6543b9945386b054261f1ec1569123f6c23dbde5cea7cb758","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-09-02T20:55:21Z","title_canon_sha256":"d375f47c5f81f5d64b11d7b0d98052041fb29176bdd7a1b2a20fd016e2728f8e"},"schema_version":"1.0","source":{"id":"1409.0889","kind":"arxiv","version":1}},"canonical_sha256":"854f197bda32b0ffa7cb7d11dddfa37c9d543e20f7a4471df2cbc4cc7485d073","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"854f197bda32b0ffa7cb7d11dddfa37c9d543e20f7a4471df2cbc4cc7485d073","first_computed_at":"2026-05-18T01:42:08.949609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:08.949609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+M0VEcFrVo8ENP83HhtFnytcdNkO+HDnF7u+KreZQli/uPeGe/iB05kcErYgJluRe89hrfl9lcs/80XDk+GhCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:08.950275Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.0889","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ad984dd92ad24673fdc914a2f1ffa172dd9bd118abeec474d84760c70e9d62d8","sha256:d0b0584913ce29dd3d1d49cfd15ea022ea78b3beeb95bd9ad72c8ec8127bff21"],"state_sha256":"fa9e1ce7f7a34fbb047ccdf51038fecbff05e95e67841c8e1a591bb5cbf62bad"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h58UTptcuHT6EfJGhYsIXgLyEYBrtO1I9ocRF/1ePhOktuBnlv09SIRYEcTyOOST8iw880ZcsSw5oONH7LkWAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:55:07.021716Z","bundle_sha256":"597ab606cb9f67f05e9e8e982b283209c2678011c15dc215cc0bf40ab8458cf1"}}