{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ZIY5IIGSNHDOL2WNVGZUQPWPHE","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":"f48491ede6c55a03a388506c2241d1b1724132a74f1b30ccb9cb3839bb992543","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-20T23:52:04Z","title_canon_sha256":"b453c25da89e6007759c5ab30fe68e9ccda44e7d36e70ce5e2f4e12bf254fb8c"},"schema_version":"1.0","source":{"id":"1609.06386","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.06386","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"arxiv_version","alias_value":"1609.06386v1","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.06386","created_at":"2026-05-18T00:39:40Z"},{"alias_kind":"pith_short_12","alias_value":"ZIY5IIGSNHDO","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZIY5IIGSNHDOL2WN","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZIY5IIGS","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:7b99b2a6b599289b573befc42dc0dae8232d068c5e1e72784273ab013aaaa519","target":"graph","created_at":"2026-05-18T00:39:40Z","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 investigate cat codes that can correct multiple excitation losses and identify two types of logical errors: bit-flip errors due to excessive excitation loss and dephasing errors due to quantum back-action from the environment. We show that selected choices of logical subspace and coherent amplitude can efficiently reduce dephasing errors. The trade-off between the two major errors enables optimized performance of cat codes in terms of minimized decoherence. With high coupling efficiency, we show that one-way quantum repeaters with cat codes feature drastically boosted secure communication r","authors_text":"Chang-Ling Zou, Liang Jiang, Linshu Li, S. M. Girvin, Sreraman Muralidharan, Victor V. Albert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-20T23:52:04Z","title":"Cat codes with optimal decoherence suppression for a lossy bosonic channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.06386","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:edc753e0e9826a70ca5a128d3691279e6536850d8a915bc1679b62c750860112","target":"record","created_at":"2026-05-18T00:39:40Z","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":"f48491ede6c55a03a388506c2241d1b1724132a74f1b30ccb9cb3839bb992543","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-20T23:52:04Z","title_canon_sha256":"b453c25da89e6007759c5ab30fe68e9ccda44e7d36e70ce5e2f4e12bf254fb8c"},"schema_version":"1.0","source":{"id":"1609.06386","kind":"arxiv","version":1}},"canonical_sha256":"ca31d420d269c6e5eacda9b3483ecf390122347a6e79b53977b0abd07a0bfb47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ca31d420d269c6e5eacda9b3483ecf390122347a6e79b53977b0abd07a0bfb47","first_computed_at":"2026-05-18T00:39:40.186858Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:40.186858Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/tgrkGlbWooXrSZGzV+kZuAlkxa3aEx29+b7wjy7WPNVNel8auT/rwU8lGTTZ7O2OVP8M1ood6Iwi7tij72xAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:40.187590Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.06386","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:edc753e0e9826a70ca5a128d3691279e6536850d8a915bc1679b62c750860112","sha256:7b99b2a6b599289b573befc42dc0dae8232d068c5e1e72784273ab013aaaa519"],"state_sha256":"1fe3eddb71418f1413029142f2ec2a09200f9577828fa96f39409f220b0996c2"}