{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3VKC3WXIB72CDUPCLBKE5EBTF6","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":"f9e091272bcf15d1d534d956962c886b7e06bb2ee266bc3377d61b3a99b195b1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-05-27T20:55:10Z","title_canon_sha256":"40328dca78c6af57c6eb314e69a587e504f680feb7589585d87add9d4328cb3e"},"schema_version":"1.0","source":{"id":"2405.17655","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.17655","created_at":"2026-07-05T10:16:58Z"},{"alias_kind":"arxiv_version","alias_value":"2405.17655v3","created_at":"2026-07-05T10:16:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.17655","created_at":"2026-07-05T10:16:58Z"},{"alias_kind":"pith_short_12","alias_value":"3VKC3WXIB72C","created_at":"2026-07-05T10:16:58Z"},{"alias_kind":"pith_short_16","alias_value":"3VKC3WXIB72CDUPC","created_at":"2026-07-05T10:16:58Z"},{"alias_kind":"pith_short_8","alias_value":"3VKC3WXI","created_at":"2026-07-05T10:16:58Z"}],"graph_snapshots":[{"event_id":"sha256:f8f5579786aa4cd25456a4b77c1cd6c58af78a0e4a28eaf324482c575b47c4d8","target":"graph","created_at":"2026-07-05T10:16:58Z","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/2405.17655/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study presents novel drag reduction active-flow-control (AFC) strategies} for a three-dimensional cylinder immersed in a flow at a Reynolds number based on freestream velocity and cylinder diameter of $Re_D=3900$. The cylinder in this subcritical flow regime has been extensively studied in the literature and is considered a classic case of turbulent flow arising from a bluff body. The strategies presented are explored through the use of deep reinforcement learning. The cylinder is equipped with 10 independent zero-net-mass-flux jet pairs, distributed on the top and bottom surfaces, which ","authors_text":"A. Mir\\'o, B. Font, F. \\'Alcantara-\\'Avila, J. Rabault, O. Lehmkuhl, P. Su\\'arez, R. Vinuesa","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-05-27T20:55:10Z","title":"Active flow control for drag reduction through multi-agent reinforcement learning on a turbulent cylinder at $Re_D=3900$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.17655","kind":"arxiv","version":3},"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":"sha256:6e2c7fcb03af92a96cf1cf754fc43a043f4f95af058025cede2cd70049db0198","target":"record","created_at":"2026-07-05T10:16:58Z","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":"f9e091272bcf15d1d534d956962c886b7e06bb2ee266bc3377d61b3a99b195b1","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2024-05-27T20:55:10Z","title_canon_sha256":"40328dca78c6af57c6eb314e69a587e504f680feb7589585d87add9d4328cb3e"},"schema_version":"1.0","source":{"id":"2405.17655","kind":"arxiv","version":3}},"canonical_sha256":"dd542ddae80ff421d1e258544e90332f8521892d33d73416c78cbc79cda6d2fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dd542ddae80ff421d1e258544e90332f8521892d33d73416c78cbc79cda6d2fa","first_computed_at":"2026-07-05T10:16:58.484480Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:16:58.484480Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8CYWgaodyg1uF8EWiEJWuyszeqdEZ27Qu/RzrmvWMxGXihx1werCmlavLQd6hUK9XN3p5SJZrO74LoLjiDjJDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:16:58.484875Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.17655","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e2c7fcb03af92a96cf1cf754fc43a043f4f95af058025cede2cd70049db0198","sha256:f8f5579786aa4cd25456a4b77c1cd6c58af78a0e4a28eaf324482c575b47c4d8"],"state_sha256":"a979b0f073676d79a7646d6500ed7d73b169f651f9a5bdf69a3245c1d97ceaff"}