{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:USNRPVXKE346U72O7BUOUDNURR","short_pith_number":"pith:USNRPVXK","schema_version":"1.0","canonical_sha256":"a49b17d6ea26f9ea7f4ef868ea0db48c564ca7bd9f82e3e3fd75e71656c738b5","source":{"kind":"arxiv","id":"2411.12952","version":2},"attestation_state":"computed","paper":{"title":"Optimized four-qubit quantum error correcting code for amplitude damping channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Liang Jiang, Qian Xu, Xuanhui Mao","submitted_at":"2024-11-20T00:48:56Z","abstract_excerpt":"Quantum error correction (QEC) is essential for reliable quantum information processing. Targeting a particular error channel, both the encoding and the recovery channel can be optimized through a biconvex optimization to give a high-performance, noise-adapted QEC scheme. We solve the biconvex optimization by the technique of alternating semi-definite programming and identify a new four-qubit code for amplitude damping channel, one major noise in superconducting circuits and a good model for spontaneous emission and energy dissipation. We also construct analytical encoding and recovery channel"},"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":"2411.12952","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-11-20T00:48:56Z","cross_cats_sorted":[],"title_canon_sha256":"d2ddbfd292c44076d913c5ed429c4b3e7841d6d664f7c150869c4f252a698eb3","abstract_canon_sha256":"f8a763d45cd77420d27cc4abe2f2ee6148a2bf8f39193349a19e5c3f84ad831f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:04:41.854798Z","signature_b64":"LRfYyBUEu/HIHdnIHbzPZxk34Ig3X3TEbGpf2lacLYOzMHxulwNMzyRnlrTD5BZd7wzM1khIcBbaH+3j/bN7Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a49b17d6ea26f9ea7f4ef868ea0db48c564ca7bd9f82e3e3fd75e71656c738b5","last_reissued_at":"2026-07-05T11:04:41.854267Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:04:41.854267Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimized four-qubit quantum error correcting code for amplitude damping channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Liang Jiang, Qian Xu, Xuanhui Mao","submitted_at":"2024-11-20T00:48:56Z","abstract_excerpt":"Quantum error correction (QEC) is essential for reliable quantum information processing. Targeting a particular error channel, both the encoding and the recovery channel can be optimized through a biconvex optimization to give a high-performance, noise-adapted QEC scheme. We solve the biconvex optimization by the technique of alternating semi-definite programming and identify a new four-qubit code for amplitude damping channel, one major noise in superconducting circuits and a good model for spontaneous emission and energy dissipation. We also construct analytical encoding and recovery channel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.12952","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/2411.12952/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":"2411.12952","created_at":"2026-07-05T11:04:41.854324+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.12952v2","created_at":"2026-07-05T11:04:41.854324+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.12952","created_at":"2026-07-05T11:04:41.854324+00:00"},{"alias_kind":"pith_short_12","alias_value":"USNRPVXKE346","created_at":"2026-07-05T11:04:41.854324+00:00"},{"alias_kind":"pith_short_16","alias_value":"USNRPVXKE346U72O","created_at":"2026-07-05T11:04:41.854324+00:00"},{"alias_kind":"pith_short_8","alias_value":"USNRPVXK","created_at":"2026-07-05T11:04:41.854324+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2607.00786","citing_title":"Bias-Preserving Gates and Quantum Error Correction With Dual-Rail Cat Codes","ref_index":63,"is_internal_anchor":false},{"citing_arxiv_id":"2410.02608","citing_title":"Variational Graphical Quantum Error Correction Codes","ref_index":29,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR","json":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR.json","graph_json":"https://pith.science/api/pith-number/USNRPVXKE346U72O7BUOUDNURR/graph.json","events_json":"https://pith.science/api/pith-number/USNRPVXKE346U72O7BUOUDNURR/events.json","paper":"https://pith.science/paper/USNRPVXK"},"agent_actions":{"view_html":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR","download_json":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR.json","view_paper":"https://pith.science/paper/USNRPVXK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.12952&json=true","fetch_graph":"https://pith.science/api/pith-number/USNRPVXKE346U72O7BUOUDNURR/graph.json","fetch_events":"https://pith.science/api/pith-number/USNRPVXKE346U72O7BUOUDNURR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR/action/storage_attestation","attest_author":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR/action/author_attestation","sign_citation":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR/action/citation_signature","submit_replication":"https://pith.science/pith/USNRPVXKE346U72O7BUOUDNURR/action/replication_record"}},"created_at":"2026-07-05T11:04:41.854324+00:00","updated_at":"2026-07-05T11:04:41.854324+00:00"}