{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:E4NJDEXBHWR3YUZ5WZLOWPM5PL","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":"cb233f53b1b0b30626146c705fdd1afb905cd6ff42def3f4e5dcbe2cd34769d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-03-29T17:10:20Z","title_canon_sha256":"f19bf3206c30c4ea78c5bf90797aeb70d94171e4bc3cbcafb10c9cacfa40153e"},"schema_version":"1.0","source":{"id":"2403.20295","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.20295","created_at":"2026-07-05T08:15:46Z"},{"alias_kind":"arxiv_version","alias_value":"2403.20295v2","created_at":"2026-07-05T08:15:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.20295","created_at":"2026-07-05T08:15:46Z"},{"alias_kind":"pith_short_12","alias_value":"E4NJDEXBHWR3","created_at":"2026-07-05T08:15:46Z"},{"alias_kind":"pith_short_16","alias_value":"E4NJDEXBHWR3YUZ5","created_at":"2026-07-05T08:15:46Z"},{"alias_kind":"pith_short_8","alias_value":"E4NJDEXB","created_at":"2026-07-05T08:15:46Z"}],"graph_snapshots":[{"event_id":"sha256:7128accbcbdef6214b3f484e475cd73bc768b03b14c11c9faf147d470184b811","target":"graph","created_at":"2026-07-05T08:15:46Z","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/2403.20295/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The control efficacy of classical periodic forcing and deep reinforcement learning (DRL) is assessed for a turbulent separation bubble (TSB) at $Re_\\tau=180$ on the upstream region before separation occurs. The TSB can resemble a separation phenomenon naturally arising in wings, and a successful reduction of the TSB can have practical implications in the reduction of the aviation carbon footprint. We find that the classical zero-net-mas-flux (ZNMF) periodic control is able to reduce the TSB by 15.7%. On the other hand, the DRL-based control achieves 25.3% reduction and provides a smoother cont","authors_text":"Bernat Font, Francisco Alc\\'antara-\\'Avila, Jean Rabault, Oriol Lehmkuhl, Ricardo Vinuesa","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-03-29T17:10:20Z","title":"Active flow control of a turbulent separation bubble through deep reinforcement learning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.20295","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":"sha256:33d4d53072b26792280b0f04b56ff34649b65d22e22b8f6228f7dbf7ef4d2106","target":"record","created_at":"2026-07-05T08:15:46Z","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":"cb233f53b1b0b30626146c705fdd1afb905cd6ff42def3f4e5dcbe2cd34769d3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-03-29T17:10:20Z","title_canon_sha256":"f19bf3206c30c4ea78c5bf90797aeb70d94171e4bc3cbcafb10c9cacfa40153e"},"schema_version":"1.0","source":{"id":"2403.20295","kind":"arxiv","version":2}},"canonical_sha256":"271a9192e13da3bc533db656eb3d9d7acf512cd613369b5a6081a9e0dea46b65","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"271a9192e13da3bc533db656eb3d9d7acf512cd613369b5a6081a9e0dea46b65","first_computed_at":"2026-07-05T08:15:46.906009Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:15:46.906009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"48Pkz7pf6vtmpeTPp+gmlKXtlusMXRTDZAJ0a4ciTwXXs4EXXzmZL4KM/pvpUIH5vImRhnz6uUMQLhd5j5cqDw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:15:46.906424Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.20295","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:33d4d53072b26792280b0f04b56ff34649b65d22e22b8f6228f7dbf7ef4d2106","sha256:7128accbcbdef6214b3f484e475cd73bc768b03b14c11c9faf147d470184b811"],"state_sha256":"e7dd74f6cd449c3a4ed52f79b8def615b2d10e896095fa53cc67bef8344e4f9a"}