{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:WCQSD2FWJQSOFUD3CIQ5LDCCFS","short_pith_number":"pith:WCQSD2FW","schema_version":"1.0","canonical_sha256":"b0a121e8b64c24e2d07b1221d58c422cadd2fb37666923870210e1dff7f3763d","source":{"kind":"arxiv","id":"2210.13359","version":2},"attestation_state":"computed","paper":{"title":"Quantum error correction with dissipatively stabilized squeezed cat qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Fernando Quijandr\\'ia, Timo Hillmann","submitted_at":"2022-10-24T16:02:20Z","abstract_excerpt":"Noise-biased qubits are a promising route toward significantly reducing the hardware overhead associated with quantum error correction. The squeezed cat code, a non-local encoding in phase space based on squeezed coherent states, is an example of a noise-biased (bosonic) qubit with exponential error bias. Here we propose and analyze the error correction performance of a dissipatively stabilized squeezed cat qubit. We find that for moderate squeezing the bit-flip error rate gets significantly reduced in comparison with the ordinary cat qubit while leaving the phase flip rate unchanged. Addition"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2210.13359","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2022-10-24T16:02:20Z","cross_cats_sorted":[],"title_canon_sha256":"cc918024a599955700d812e672c563df1f8ef4b5ed2a3991f04045404327c311","abstract_canon_sha256":"037d557a27ba0d338c699d4a1e121b0afecca71aad09dfea81e332636cc0ba81"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:59:21.690436Z","signature_b64":"0W/5Q6JTQYWvXuddickFjXzrRr0lW1qz8kRu/4IBEyqTC5dY/V8sRi7b5puxThW/FltR9/PvqipTyLd0nMubDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0a121e8b64c24e2d07b1221d58c422cadd2fb37666923870210e1dff7f3763d","last_reissued_at":"2026-07-05T05:59:21.689957Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:59:21.689957Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum error correction with dissipatively stabilized squeezed cat qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Fernando Quijandr\\'ia, Timo Hillmann","submitted_at":"2022-10-24T16:02:20Z","abstract_excerpt":"Noise-biased qubits are a promising route toward significantly reducing the hardware overhead associated with quantum error correction. The squeezed cat code, a non-local encoding in phase space based on squeezed coherent states, is an example of a noise-biased (bosonic) qubit with exponential error bias. Here we propose and analyze the error correction performance of a dissipatively stabilized squeezed cat qubit. We find that for moderate squeezing the bit-flip error rate gets significantly reduced in comparison with the ordinary cat qubit while leaving the phase flip rate unchanged. Addition"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.13359","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.13359/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2210.13359","created_at":"2026-07-05T05:59:21.690016+00:00"},{"alias_kind":"arxiv_version","alias_value":"2210.13359v2","created_at":"2026-07-05T05:59:21.690016+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.13359","created_at":"2026-07-05T05:59:21.690016+00:00"},{"alias_kind":"pith_short_12","alias_value":"WCQSD2FWJQSO","created_at":"2026-07-05T05:59:21.690016+00:00"},{"alias_kind":"pith_short_16","alias_value":"WCQSD2FWJQSOFUD3","created_at":"2026-07-05T05:59:21.690016+00:00"},{"alias_kind":"pith_short_8","alias_value":"WCQSD2FW","created_at":"2026-07-05T05:59:21.690016+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.08363","citing_title":"Stroboscopic Stabilization of Cat Qubits","ref_index":25,"is_internal_anchor":true},{"citing_arxiv_id":"2606.11484","citing_title":"Handbook of Error-Correcting Codes","ref_index":131,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS","json":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS.json","graph_json":"https://pith.science/api/pith-number/WCQSD2FWJQSOFUD3CIQ5LDCCFS/graph.json","events_json":"https://pith.science/api/pith-number/WCQSD2FWJQSOFUD3CIQ5LDCCFS/events.json","paper":"https://pith.science/paper/WCQSD2FW"},"agent_actions":{"view_html":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS","download_json":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS.json","view_paper":"https://pith.science/paper/WCQSD2FW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2210.13359&json=true","fetch_graph":"https://pith.science/api/pith-number/WCQSD2FWJQSOFUD3CIQ5LDCCFS/graph.json","fetch_events":"https://pith.science/api/pith-number/WCQSD2FWJQSOFUD3CIQ5LDCCFS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS/action/storage_attestation","attest_author":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS/action/author_attestation","sign_citation":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS/action/citation_signature","submit_replication":"https://pith.science/pith/WCQSD2FWJQSOFUD3CIQ5LDCCFS/action/replication_record"}},"created_at":"2026-07-05T05:59:21.690016+00:00","updated_at":"2026-07-05T05:59:21.690016+00:00"}