{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:DGPQSZW4GOI6CKMXYJKY6RWRV4","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":"b46dcc891426f9934e1a844321c5ce1bad70cf95ef75ab86816734feef4bb2cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-28T01:11:38Z","title_canon_sha256":"300ca781dd3bdb18f4655a7a609bc1d81bda55862b3249e7efa48b20f4654e0c"},"schema_version":"1.0","source":{"id":"2607.25179","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.25179","created_at":"2026-07-29T00:25:07Z"},{"alias_kind":"arxiv_version","alias_value":"2607.25179v1","created_at":"2026-07-29T00:25:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.25179","created_at":"2026-07-29T00:25:07Z"},{"alias_kind":"pith_short_12","alias_value":"DGPQSZW4GOI6","created_at":"2026-07-29T00:25:07Z"},{"alias_kind":"pith_short_16","alias_value":"DGPQSZW4GOI6CKMX","created_at":"2026-07-29T00:25:07Z"},{"alias_kind":"pith_short_8","alias_value":"DGPQSZW4","created_at":"2026-07-29T00:25:07Z"}],"graph_snapshots":[{"event_id":"sha256:610c22610da26d4cfefb6f47fbabfb63a2e16cf1dbdba6f5ed9b6df2f8de630d","target":"graph","created_at":"2026-07-29T00:25:07Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.25179/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Displacement-based simultaneous quantum-classical communications (SQCC) protocols, as originally proposed, are generally incompatible with the majority of useful quantum communication schemes, such as entanglement distribution or repeater-based quantum key distribution: direct measurement of the classical signal also measures and destroys the quantum state, leaving point-to-point Gaussian quantum key distribution as the only quantum communication scheme amenable to integration with SQCC. In this work, we apply the classically-modulated quantum communication protocol proposed by Zaunders and Ra","authors_text":"Nicholas Zaunders, Timothy C. Ralph","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-28T01:11:38Z","title":"Co-transmission of classical data and continuous-variable entanglement over a single quantum channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25179","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":"sha256:7d6a82bf56b0a7747d3a8e0299e4d2afb4ea2abe4d4964bb0d6347aed871c6f9","target":"record","created_at":"2026-07-29T00:25:07Z","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":"b46dcc891426f9934e1a844321c5ce1bad70cf95ef75ab86816734feef4bb2cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-28T01:11:38Z","title_canon_sha256":"300ca781dd3bdb18f4655a7a609bc1d81bda55862b3249e7efa48b20f4654e0c"},"schema_version":"1.0","source":{"id":"2607.25179","kind":"arxiv","version":1}},"canonical_sha256":"199f0966dc3391e12997c2558f46d1af331ab14a0b20d0266d1dc3ce4b3f0beb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"199f0966dc3391e12997c2558f46d1af331ab14a0b20d0266d1dc3ce4b3f0beb","first_computed_at":"2026-07-29T00:25:07.143725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-29T00:25:07.143725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o2I5KML7U0uLbA7wYZOjGy3sjJlpAvmXrH0jVn8R0yXND/jttZNnEW9xsncEGfHgbaH9fZvBKBBG0oKETjVLCQ==","signature_status":"signed_v1","signed_at":"2026-07-29T00:25:07.144532Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.25179","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d6a82bf56b0a7747d3a8e0299e4d2afb4ea2abe4d4964bb0d6347aed871c6f9","sha256:610c22610da26d4cfefb6f47fbabfb63a2e16cf1dbdba6f5ed9b6df2f8de630d"],"state_sha256":"dded0cd7530e16de2de8924e3c1e6418c1acb94f8f6c13d67c848ce3579b0119"}