{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:BXYW6DYP7OUCKKMAHSD2SRABCW","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":"64fd8ad4ea6ff2a21a5cd613c704aaac13e5d7f86f8794b249983ff22e4bd101","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2007-10-16T15:17:37Z","title_canon_sha256":"a7286f1f6ed078c5987667a3b922bc12d70213426b0ef41020c8e008304418b1"},"schema_version":"1.0","source":{"id":"0710.3086","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.3086","created_at":"2026-05-18T03:24:19Z"},{"alias_kind":"arxiv_version","alias_value":"0710.3086v4","created_at":"2026-05-18T03:24:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.3086","created_at":"2026-05-18T03:24:19Z"},{"alias_kind":"pith_short_12","alias_value":"BXYW6DYP7OUC","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"BXYW6DYP7OUCKKMA","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"BXYW6DYP","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:e5a2847adffe7604a31e8f56d2cb80d665dd19eb8dd141e1e9f64afb2597b566","target":"graph","created_at":"2026-05-18T03:24:19Z","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":"A single broadband squeezed field constitutes a quantum communication resource that is sufficient for the realization of a large number N of quantum channels based on distributed Einstein-Podolsky-Rosen (EPR) entangled states. Each channel can serve as a resource for, e.g. independent quantum key distribution or teleportation protocols. N-fold channel multiplexing can be realized by accessing 2N squeezed modes at different Fourier frequencies. We report on the experimental implementation of the N=1 case through the interference of two squeezed states, extracted from a single broadband squeezed","authors_text":"Aiko Samblowski, Boris Hage, Roman Schnabel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2007-10-16T15:17:37Z","title":"Towards Einstein-Podolsky-Rosen quantum channel multiplexing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.3086","kind":"arxiv","version":4},"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":"sha256:10f7f5c1b225da9c749ad761f1930260db490a9c576e4ca3ea8ece7d760c3785","target":"record","created_at":"2026-05-18T03:24:19Z","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":"64fd8ad4ea6ff2a21a5cd613c704aaac13e5d7f86f8794b249983ff22e4bd101","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2007-10-16T15:17:37Z","title_canon_sha256":"a7286f1f6ed078c5987667a3b922bc12d70213426b0ef41020c8e008304418b1"},"schema_version":"1.0","source":{"id":"0710.3086","kind":"arxiv","version":4}},"canonical_sha256":"0df16f0f0ffba82529803c87a9440115bc2ef89bc6311506a8bb480178d58fe9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0df16f0f0ffba82529803c87a9440115bc2ef89bc6311506a8bb480178d58fe9","first_computed_at":"2026-05-18T03:24:19.003066Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:24:19.003066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qAuy9PkPRZt33Ie/AAsFcxEXupM5mphXPNWhZate4kjcsX/sVm0LsGLCgEA34U2gQUCwpo+tLMGEGpru3jFsCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:24:19.003778Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.3086","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10f7f5c1b225da9c749ad761f1930260db490a9c576e4ca3ea8ece7d760c3785","sha256:e5a2847adffe7604a31e8f56d2cb80d665dd19eb8dd141e1e9f64afb2597b566"],"state_sha256":"16692b218267ed4c91df3599b0f09a681641642cb75744893d8879235394c88b"}