{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TH3BZWVX5TT7CRD52OGXX2R45K","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":"30fa6298285e2c4b3db35fe387027f6e5ed149710fe97b089d820547bd9b93f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-31T12:18:16Z","title_canon_sha256":"da4eec41ed2c71044c8e035a05fea0b9007b58edad5ebdf5c1e9377a7bfff652"},"schema_version":"1.0","source":{"id":"1409.0213","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.0213","created_at":"2026-05-18T00:31:14Z"},{"alias_kind":"arxiv_version","alias_value":"1409.0213v2","created_at":"2026-05-18T00:31:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.0213","created_at":"2026-05-18T00:31:14Z"},{"alias_kind":"pith_short_12","alias_value":"TH3BZWVX5TT7","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TH3BZWVX5TT7CRD5","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TH3BZWVX","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:41c42b96424036f6e112bfff1f83d4ea41a439e13e8163c37515923a1b3826c6","target":"graph","created_at":"2026-05-18T00:31:14Z","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 review and further develop the controversial concept of \"classical entanglement\" in optical beams. We present a unified theory for different kinds of light beams exhibiting classical entanglement and we indicate several possible extensions of the concept. Our results shed new light upon the physics at the debated border between the classical and the quantum representations of the world.","authors_text":"Andrea Aiello, Christoph Marquardt, Elisabeth Giacobino, Falk T\\\"oppel, Gerd Leuchs","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-31T12:18:16Z","title":"Classical entanglement: Oxymoron or resource?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.0213","kind":"arxiv","version":2},"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":"sha256:1b6d56280088f1e82d4744d9b25418cf32d5243424561f71c5a10924c3ba2139","target":"record","created_at":"2026-05-18T00:31:14Z","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":"30fa6298285e2c4b3db35fe387027f6e5ed149710fe97b089d820547bd9b93f3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-31T12:18:16Z","title_canon_sha256":"da4eec41ed2c71044c8e035a05fea0b9007b58edad5ebdf5c1e9377a7bfff652"},"schema_version":"1.0","source":{"id":"1409.0213","kind":"arxiv","version":2}},"canonical_sha256":"99f61cdab7ece7f1447dd38d7bea3ceaaa86994283ba49a63678af5b5b51e474","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99f61cdab7ece7f1447dd38d7bea3ceaaa86994283ba49a63678af5b5b51e474","first_computed_at":"2026-05-18T00:31:14.204046Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:31:14.204046Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fFXhFGY8hsEclG+daeoVf/xVQhZ8rekSBjAnbH7g4XSlLkBsyD3SQnIoPs/tZX0EuPoLFLVbuH6DtZS0b5ocDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:31:14.204740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.0213","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b6d56280088f1e82d4744d9b25418cf32d5243424561f71c5a10924c3ba2139","sha256:41c42b96424036f6e112bfff1f83d4ea41a439e13e8163c37515923a1b3826c6"],"state_sha256":"2b56b10dbe59aa873e7bd6020eac304a7fb2e81ef0b79265fedfb0353c26b2e1"}