{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:5Y5SNAA5AF4GWPH24NX7XYQT3J","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":"2edfab1610b29e43af51bd9edb7d8d50c8b16efaa0976d11e236862d9ca671ff","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-03-23T08:14:18Z","title_canon_sha256":"6a8e4818df168eadc6b8f3a253e42d45a9a51962d2d6dc2b834f7ca5f515ac42"},"schema_version":"1.0","source":{"id":"2503.17977","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.17977","created_at":"2026-07-05T10:37:59Z"},{"alias_kind":"arxiv_version","alias_value":"2503.17977v1","created_at":"2026-07-05T10:37:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.17977","created_at":"2026-07-05T10:37:59Z"},{"alias_kind":"pith_short_12","alias_value":"5Y5SNAA5AF4G","created_at":"2026-07-05T10:37:59Z"},{"alias_kind":"pith_short_16","alias_value":"5Y5SNAA5AF4GWPH2","created_at":"2026-07-05T10:37:59Z"},{"alias_kind":"pith_short_8","alias_value":"5Y5SNAA5","created_at":"2026-07-05T10:37:59Z"}],"graph_snapshots":[{"event_id":"sha256:60ce8b2935a293edf58234a8cd7b31f92edf44ec4668bdb24452dccdb0a1f866","target":"graph","created_at":"2026-07-05T10:37:59Z","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/2503.17977/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A cost-effective multi-objective shape optimization strategy is proposed for high-Reynolds number flows involving complex phenomena such as boundary layer transition, shock-wave interactions, and turbulent wakes. These processes are poorly captured by Reynolds-Averaged Navier--Stokes (RANS) models, necessitating higher-fidelity approaches like Large Eddy Simulation (LES). However, LES is computationally prohibitive at high Reynolds numbers, making its direct use in optimization impractical. To address this, we introduce a low-dimensional design space representation using Singular Value Decompo","authors_text":"Camille Matar, Paola Cinnella, Xavier Gloerfelt","cross_cats":["physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-03-23T08:14:18Z","title":"Cost-effective multi-fidelity strategy for the optimization of high-Reynolds number turbine flows guided by LES"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.17977","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":"sha256:00a71fb271cd528ba0fb2fa432f34dccd17931567e0b2352743fcfbd7ac1dd57","target":"record","created_at":"2026-07-05T10:37:59Z","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":"2edfab1610b29e43af51bd9edb7d8d50c8b16efaa0976d11e236862d9ca671ff","cross_cats_sorted":["physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-03-23T08:14:18Z","title_canon_sha256":"6a8e4818df168eadc6b8f3a253e42d45a9a51962d2d6dc2b834f7ca5f515ac42"},"schema_version":"1.0","source":{"id":"2503.17977","kind":"arxiv","version":1}},"canonical_sha256":"ee3b26801d01786b3cfae36ffbe213da4e12bf098abca1857dc56e30a50e0d11","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee3b26801d01786b3cfae36ffbe213da4e12bf098abca1857dc56e30a50e0d11","first_computed_at":"2026-07-05T10:37:59.728613Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:37:59.728613Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F3y+811ou1qyHXbA7pYINm5fi47uBu75M0209CpJSxaSIFgClDvD4Y1uRlkPwu+sam5Py/sv5gFgNp/4yTfqBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:37:59.729389Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.17977","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:00a71fb271cd528ba0fb2fa432f34dccd17931567e0b2352743fcfbd7ac1dd57","sha256:60ce8b2935a293edf58234a8cd7b31f92edf44ec4668bdb24452dccdb0a1f866"],"state_sha256":"c28b9553bba5eefd3d921396edb310e62be6f37ab06f1676d243aecef1cbd770"}