{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3AUX3WXBXAEHMHCCE2OKGTYEMM","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":"c61970c3c613d365a4fedc7351c44b278d360c53ee5637add21531d180f927ff","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-08-14T13:32:18Z","title_canon_sha256":"093d6c609de4e652c60759cda15802bed9b8ee12ff73afcdbe367da2a73954dc"},"schema_version":"1.0","source":{"id":"1308.3117","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3117","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3117v2","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3117","created_at":"2026-05-18T03:02:59Z"},{"alias_kind":"pith_short_12","alias_value":"3AUX3WXBXAEH","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3AUX3WXBXAEHMHCC","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3AUX3WXB","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:5d5b5ccd31c9e01a0d2bb5e70cc08ba0ab094717023f4451d197e3612a5edacb","target":"graph","created_at":"2026-05-18T03:02:59Z","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 study quantum state tomography, entanglement detection, and channel noise reconstruction of propagating quantum microwaves via dual-path methods. The presented schemes make use of the following key elements: propagation channels, beam splitters, linear amplifiers, and field quadrature detectors. Remarkably, our methods are tolerant to the ubiquitous noise added to the signals by phase-insensitive microwave amplifiers. Furthermore, we analyze our techniques with numerical examples and experimental data, and compare them with the scheme developed in Eichler $et$ $al$ (2011 Phys. Rev. Lett. 10","authors_text":"A. Marx, E. P. Menzel, E. Solano, F. Deppe, L. Zhong, R. Di Candia, R. Gross","cross_cats":["cond-mat.mes-hall","cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-08-14T13:32:18Z","title":"Dual-Path Methods for Propagating Quantum Microwaves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3117","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:b34bee974ca373ccbf77c3979f39897d1275a79144abf00c24efc47886455779","target":"record","created_at":"2026-05-18T03:02:59Z","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":"c61970c3c613d365a4fedc7351c44b278d360c53ee5637add21531d180f927ff","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-08-14T13:32:18Z","title_canon_sha256":"093d6c609de4e652c60759cda15802bed9b8ee12ff73afcdbe367da2a73954dc"},"schema_version":"1.0","source":{"id":"1308.3117","kind":"arxiv","version":2}},"canonical_sha256":"d8297ddae1b808761c42269ca34f04633173e81415127fefb082d131f09e94bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d8297ddae1b808761c42269ca34f04633173e81415127fefb082d131f09e94bb","first_computed_at":"2026-05-18T03:02:59.245749Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:59.245749Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"peVJj93fyCTz8h5haucUF29LqqYwjoqi5+NFeChBh4dWAfFDmLPUjEIGkGA/Z5/ha0D9f3NWSbZkJyeVMt22AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:59.246781Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.3117","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b34bee974ca373ccbf77c3979f39897d1275a79144abf00c24efc47886455779","sha256:5d5b5ccd31c9e01a0d2bb5e70cc08ba0ab094717023f4451d197e3612a5edacb"],"state_sha256":"c65b799b3b5322e8696cd219e32890a90859f9a82e6f173b28b88e43957146ea"}