{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:7ZMYSOKGWI26S6Z5JB65AE64NG","short_pith_number":"pith:7ZMYSOKG","schema_version":"1.0","canonical_sha256":"fe59893946b235e97b3d487dd013dc69af4125eb627e9550e24f347abf28da3c","source":{"kind":"arxiv","id":"2607.02398","version":1},"attestation_state":"computed","paper":{"title":"Direct numerical simulations of turbulent drag reduction via piezoelectric actuation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Aman Kidanemariam, Amir Amjadimanesh, Amirreza Rouhi, David Chappell, Mahdi Bodaghi","submitted_at":"2026-07-02T16:32:53Z","abstract_excerpt":"We have conducted Direct Numerical Simulations of turbulent half-channel flow over realistic surface deformations at friction Reynolds number $Re_\\tau=200$. We generated the surface deformations using piezoelectric actuators. We simulated the piezoelectric actuation over the practical actuation frequency range $(119Hz\\le f_\\mathrm{act}\\le543Hz)$ and voltage range $(250V\\le Q \\le500V)$ beneath an Aluminum sheet using Finite Element Analysis. The sheet deformation amplitude and actuation frequency in viscous units vary within the range $2 \\le \\eta^+_\\mathrm{max} \\le 34$, and $-0.58 \\le \\omega^+ "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2607.02398","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-07-02T16:32:53Z","cross_cats_sorted":[],"title_canon_sha256":"a21ded0afed039413420b1c8ee5b2c8f9b4b55946e2c710ae065b525bdf9ed12","abstract_canon_sha256":"f3388c0dd6082ba2117e562aff0d3171b9cb1c25d857057462d2e2001f6a7bd1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-03T01:17:57.650093Z","signature_b64":"xFwdEgHjIljm+vR3v2/vmJCza3L8m1qhsP3RDbQ1J5Hgls/kFNkneezYbhlWbg7Of6KAEmM4WLPvRaWro4VBBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe59893946b235e97b3d487dd013dc69af4125eb627e9550e24f347abf28da3c","last_reissued_at":"2026-07-03T01:17:57.649721Z","signature_status":"signed_v1","first_computed_at":"2026-07-03T01:17:57.649721Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Direct numerical simulations of turbulent drag reduction via piezoelectric actuation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Aman Kidanemariam, Amir Amjadimanesh, Amirreza Rouhi, David Chappell, Mahdi Bodaghi","submitted_at":"2026-07-02T16:32:53Z","abstract_excerpt":"We have conducted Direct Numerical Simulations of turbulent half-channel flow over realistic surface deformations at friction Reynolds number $Re_\\tau=200$. We generated the surface deformations using piezoelectric actuators. We simulated the piezoelectric actuation over the practical actuation frequency range $(119Hz\\le f_\\mathrm{act}\\le543Hz)$ and voltage range $(250V\\le Q \\le500V)$ beneath an Aluminum sheet using Finite Element Analysis. The sheet deformation amplitude and actuation frequency in viscous units vary within the range $2 \\le \\eta^+_\\mathrm{max} \\le 34$, and $-0.58 \\le \\omega^+ "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.02398","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.02398/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.02398","created_at":"2026-07-03T01:17:57.649773+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.02398v1","created_at":"2026-07-03T01:17:57.649773+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.02398","created_at":"2026-07-03T01:17:57.649773+00:00"},{"alias_kind":"pith_short_12","alias_value":"7ZMYSOKGWI26","created_at":"2026-07-03T01:17:57.649773+00:00"},{"alias_kind":"pith_short_16","alias_value":"7ZMYSOKGWI26S6Z5","created_at":"2026-07-03T01:17:57.649773+00:00"},{"alias_kind":"pith_short_8","alias_value":"7ZMYSOKG","created_at":"2026-07-03T01:17:57.649773+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG","json":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG.json","graph_json":"https://pith.science/api/pith-number/7ZMYSOKGWI26S6Z5JB65AE64NG/graph.json","events_json":"https://pith.science/api/pith-number/7ZMYSOKGWI26S6Z5JB65AE64NG/events.json","paper":"https://pith.science/paper/7ZMYSOKG"},"agent_actions":{"view_html":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG","download_json":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG.json","view_paper":"https://pith.science/paper/7ZMYSOKG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.02398&json=true","fetch_graph":"https://pith.science/api/pith-number/7ZMYSOKGWI26S6Z5JB65AE64NG/graph.json","fetch_events":"https://pith.science/api/pith-number/7ZMYSOKGWI26S6Z5JB65AE64NG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG/action/storage_attestation","attest_author":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG/action/author_attestation","sign_citation":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG/action/citation_signature","submit_replication":"https://pith.science/pith/7ZMYSOKGWI26S6Z5JB65AE64NG/action/replication_record"}},"created_at":"2026-07-03T01:17:57.649773+00:00","updated_at":"2026-07-03T01:17:57.649773+00:00"}