{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MLXGO5I2OQYCTPLISXEPEPVALH","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":"4937b7db08c7312edcf88489808f3143e702f4861ad664f55b4bba2ffebf2b17","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-06T18:16:45Z","title_canon_sha256":"015474a8e9916ec58eac40b78f13cd7fd3c262e44cbded66cab0841336c5b81c"},"schema_version":"1.0","source":{"id":"1903.02537","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02537","created_at":"2026-05-17T23:51:55Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02537v1","created_at":"2026-05-17T23:51:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02537","created_at":"2026-05-17T23:51:55Z"},{"alias_kind":"pith_short_12","alias_value":"MLXGO5I2OQYC","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_16","alias_value":"MLXGO5I2OQYCTPLI","created_at":"2026-05-18T12:33:21Z"},{"alias_kind":"pith_short_8","alias_value":"MLXGO5I2","created_at":"2026-05-18T12:33:21Z"}],"graph_snapshots":[{"event_id":"sha256:2019e30a846bf71aae812bda865cb25798c132d229ff2284758b3959fb98a2c4","target":"graph","created_at":"2026-05-17T23:51:55Z","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":"Motivated by the recent advancement of quantum processors, we investigate quantum approximate optimization algorithm (QAOA) to employ quasi-maximum-likelihood (ML) decoding of classical channel codes. QAOA is a hybrid quantum-classical variational algorithm, which is advantageous for the near-term noisy intermediate-scale quantum (NISQ) devices, where the fidelity of quantum gates is limited by noise and decoherence. We first describe how to construct Ising Hamiltonian model to realize quasi-ML decoding with QAOA. For level-1 QAOA, we derive the systematic way to generate theoretical expressio","authors_text":"Toshiaki Koike-Akino, Toshiki Matsumine, Ye Wang","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-06T18:16:45Z","title":"Channel Decoding with Quantum Approximate Optimization Algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02537","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":"sha256:20e55260a8ee9fab2feae6fc66bb9d721a050ce0ac33f2eb28532dc6383e24f5","target":"record","created_at":"2026-05-17T23:51:55Z","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":"4937b7db08c7312edcf88489808f3143e702f4861ad664f55b4bba2ffebf2b17","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2019-03-06T18:16:45Z","title_canon_sha256":"015474a8e9916ec58eac40b78f13cd7fd3c262e44cbded66cab0841336c5b81c"},"schema_version":"1.0","source":{"id":"1903.02537","kind":"arxiv","version":1}},"canonical_sha256":"62ee67751a743029bd6895c8f23ea059d998444f825448a778407e0c6fc8e3e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62ee67751a743029bd6895c8f23ea059d998444f825448a778407e0c6fc8e3e9","first_computed_at":"2026-05-17T23:51:55.115143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:55.115143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CxB8SFD207QP5E6BzJeNSUFAFh5LR1aF1757eUCsMPKSrVOBOp6c6Ned3IxaY5xWGxP774h+OBCVxTA6I4+pBQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:55.115740Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02537","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:20e55260a8ee9fab2feae6fc66bb9d721a050ce0ac33f2eb28532dc6383e24f5","sha256:2019e30a846bf71aae812bda865cb25798c132d229ff2284758b3959fb98a2c4"],"state_sha256":"5cea1cfbb1fdbff6455a12f2028af2dad0f029456466370111db37c745cb0e09"}