{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:FN5BCRKNPZUAAHLLN6CWY4NQDQ","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":"8c9683173ab2f7a59c1c851b8e21fefddf920cea1f9461e8bf154ccf2e38a87d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-08T08:41:55Z","title_canon_sha256":"1261481445c80299c36d3e2b10343fc29f96ced4bf5683d1c1f7f48c15a90e76"},"schema_version":"1.0","source":{"id":"2403.05153","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.05153","created_at":"2026-07-05T07:53:51Z"},{"alias_kind":"arxiv_version","alias_value":"2403.05153v1","created_at":"2026-07-05T07:53:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.05153","created_at":"2026-07-05T07:53:51Z"},{"alias_kind":"pith_short_12","alias_value":"FN5BCRKNPZUA","created_at":"2026-07-05T07:53:51Z"},{"alias_kind":"pith_short_16","alias_value":"FN5BCRKNPZUAAHLL","created_at":"2026-07-05T07:53:51Z"},{"alias_kind":"pith_short_8","alias_value":"FN5BCRKN","created_at":"2026-07-05T07:53:51Z"}],"graph_snapshots":[{"event_id":"sha256:9c9b1bb5813611b9bf52709101cd8762ce488922c240c46a9b30cd9f4883b173","target":"graph","created_at":"2026-07-05T07:53:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2403.05153/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"QRAO (Quantum Random Access Optimization) is a relaxation algorithm that reduces the number of qubits required to solve a problem by encoding multiple variables per qubit using QRAC (Quantum Random Access Code). Reducing the number of qubits is a common way of dealing with the impact of noise on a quantum algorithm. Our interest lies in the impact of noise on the quality of the binary solution of QRAO, which is unknown. We demonstrate that the mean approximation ratio of the (3, 1)-QRAC Hamiltonian, i.e., the Hamiltonian utilizing the encoding of 3 bits into 1 qubit by QRAC, is less affected b","authors_text":"Hiroshi C. Watanabe, Kentaro Tamura, Michihiko Sugawara, Naoki Yamamoto, Rudy Raymond, Ruho Kondo, Yohichi Suzuki, Yuki Sato","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-08T08:41:55Z","title":"Noise Robustness of Quantum Relaxation for Combinatorial Optimization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.05153","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:a7bd6e3d1cd0a357c629d050f6dbdab1d1c0dfc270669220cd1c5f2f85766397","target":"record","created_at":"2026-07-05T07:53:51Z","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":"8c9683173ab2f7a59c1c851b8e21fefddf920cea1f9461e8bf154ccf2e38a87d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-03-08T08:41:55Z","title_canon_sha256":"1261481445c80299c36d3e2b10343fc29f96ced4bf5683d1c1f7f48c15a90e76"},"schema_version":"1.0","source":{"id":"2403.05153","kind":"arxiv","version":1}},"canonical_sha256":"2b7a11454d7e68001d6b6f856c71b01c2d79002b3a4be686cf0ddc4543b60886","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2b7a11454d7e68001d6b6f856c71b01c2d79002b3a4be686cf0ddc4543b60886","first_computed_at":"2026-07-05T07:53:51.595664Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:53:51.595664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e+r05SA+6y9DEpkl0DBkIHvyBufk0dJuQfGZ8KSGn4XqICsBzmcN9K1aKJ57R4rlcSWQ3qWlV463VGHVU+QbBA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:53:51.596082Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.05153","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7bd6e3d1cd0a357c629d050f6dbdab1d1c0dfc270669220cd1c5f2f85766397","sha256:9c9b1bb5813611b9bf52709101cd8762ce488922c240c46a9b30cd9f4883b173"],"state_sha256":"36dbec4e32ca0e9bccd8edc4bae2938d05f50cea6052b211a4d8dd7c3dd2bbb0"}