{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RKTOKCX7IKLJITVCIU5JBGNPPJ","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":"b0c5fa900132aa61273f71ec80ec200f724417bcfbdff622704d66a9cc4f1570","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T21:57:13Z","title_canon_sha256":"6c80577a063bc154d6c4ccbd95c0500663fb1f91797d8ea42bd3eb508fbbce73"},"schema_version":"1.0","source":{"id":"1908.04416","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04416","created_at":"2026-07-05T00:52:47Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04416v2","created_at":"2026-07-05T00:52:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04416","created_at":"2026-07-05T00:52:47Z"},{"alias_kind":"pith_short_12","alias_value":"RKTOKCX7IKLJ","created_at":"2026-07-05T00:52:47Z"},{"alias_kind":"pith_short_16","alias_value":"RKTOKCX7IKLJITVC","created_at":"2026-07-05T00:52:47Z"},{"alias_kind":"pith_short_8","alias_value":"RKTOKCX7","created_at":"2026-07-05T00:52:47Z"}],"graph_snapshots":[{"event_id":"sha256:2aca43293fc992ebf7ec5f67ced93928b779cd4c8307572903d808fa1a517555","target":"graph","created_at":"2026-07-05T00:52:47Z","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/1908.04416/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Variational hybrid quantum-classical algorithms (VHQCAs) are near-term algorithms that leverage classical optimization to minimize a cost function, which is efficiently evaluated on a quantum computer. Recently VHQCAs have been proposed for quantum compiling, where a target unitary $U$ is compiled into a short-depth gate sequence $V$. In this work, we report on a surprising form of noise resilience for these algorithms. Namely, we find one often learns the correct gate sequence $V$ (i.e., the correct variational parameters) despite various sources of incoherent noise acting during the cost-eva","authors_text":"Kunal Sharma, M. Cerezo, Patrick J. Coles, Sumeet Khatri","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T21:57:13Z","title":"Noise Resilience of Variational Quantum Compiling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04416","kind":"arxiv","version":2},"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":"sha256:9038eac032904a6c4fe430b7568e72f253361867068bdda2f9c848b1d8edc3a9","target":"record","created_at":"2026-07-05T00:52:47Z","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":"b0c5fa900132aa61273f71ec80ec200f724417bcfbdff622704d66a9cc4f1570","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-12T21:57:13Z","title_canon_sha256":"6c80577a063bc154d6c4ccbd95c0500663fb1f91797d8ea42bd3eb508fbbce73"},"schema_version":"1.0","source":{"id":"1908.04416","kind":"arxiv","version":2}},"canonical_sha256":"8aa6e50aff4296944ea2453a9099af7a4aeeb509369aa302bb2d2187cdc32351","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8aa6e50aff4296944ea2453a9099af7a4aeeb509369aa302bb2d2187cdc32351","first_computed_at":"2026-07-05T00:52:47.765654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:52:47.765654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Fkfdu0qaHX9Ea49a+Bt07gY3ZxNujz/AbNdRo9QhYYPehBkKvLKI74K8K69JFiqt7DAeXQ0rs8DMs2J9mQ0BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:52:47.766190Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04416","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9038eac032904a6c4fe430b7568e72f253361867068bdda2f9c848b1d8edc3a9","sha256:2aca43293fc992ebf7ec5f67ced93928b779cd4c8307572903d808fa1a517555"],"state_sha256":"01447ea012b363c30cb70813571a13416eef41bf817b9e1471b1e40456bfaa5e"}