{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:HKZUG4EXFPYCT4Y7B6GUGOMWYY","short_pith_number":"pith:HKZUG4EX","schema_version":"1.0","canonical_sha256":"3ab34370972bf029f31f0f8d433996c634ec0209d04d73cfa456e52043622a6f","source":{"kind":"arxiv","id":"2607.20067","version":1},"attestation_state":"computed","paper":{"title":"Surface Waves Alter Air Entrainment During Water Entry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Chase T. Gabbard, Daniel M. Harris, Eli Silver, Jesse Belden, Joseph Quinton, Mario Ibrahim","submitted_at":"2026-07-22T12:14:05Z","abstract_excerpt":"When a sphere crosses an air-water interface it can entrain a significant volume of air, a process relevant to numerous naval, industrial, and environmental settings. While air entrainment through sphere impact onto quiescent baths has been extensively studied, real-world interfaces are inherently unsteady, and the influence of surface waves is less understood. In this Letter, we systematically investigate the effect of interfacial geometry on the air entrained by impacting hydrophobic spheres onto an axisymmetric wavefield. By analyzing the resulting cavity across a wide parameter space, incl"},"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":"2607.20067","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-07-22T12:14:05Z","cross_cats_sorted":[],"title_canon_sha256":"680efa4340cd8f9132820e017b10aa7a126d81739db7247461e3c8fe58cd48f7","abstract_canon_sha256":"e775dfbd524be10646e7912d63fd6ee9f652a49c2707b17364da089b8beec3b6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-23T01:24:58.861602Z","signature_b64":"CE+FfIAo1ZtbkLB7pRBy8Ek9GpP/uKXXNwEjJlbpe1Q1+qmimmCJyv1BY19tx7PzQHFszmLgXw5JPhnEZcC6Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ab34370972bf029f31f0f8d433996c634ec0209d04d73cfa456e52043622a6f","last_reissued_at":"2026-07-23T01:24:58.860759Z","signature_status":"signed_v1","first_computed_at":"2026-07-23T01:24:58.860759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Surface Waves Alter Air Entrainment During Water Entry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Chase T. Gabbard, Daniel M. Harris, Eli Silver, Jesse Belden, Joseph Quinton, Mario Ibrahim","submitted_at":"2026-07-22T12:14:05Z","abstract_excerpt":"When a sphere crosses an air-water interface it can entrain a significant volume of air, a process relevant to numerous naval, industrial, and environmental settings. While air entrainment through sphere impact onto quiescent baths has been extensively studied, real-world interfaces are inherently unsteady, and the influence of surface waves is less understood. In this Letter, we systematically investigate the effect of interfacial geometry on the air entrained by impacting hydrophobic spheres onto an axisymmetric wavefield. By analyzing the resulting cavity across a wide parameter space, incl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20067","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/2607.20067/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":"2607.20067","created_at":"2026-07-23T01:24:58.861195+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.20067v1","created_at":"2026-07-23T01:24:58.861195+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20067","created_at":"2026-07-23T01:24:58.861195+00:00"},{"alias_kind":"pith_short_12","alias_value":"HKZUG4EXFPYC","created_at":"2026-07-23T01:24:58.861195+00:00"},{"alias_kind":"pith_short_16","alias_value":"HKZUG4EXFPYCT4Y7","created_at":"2026-07-23T01:24:58.861195+00:00"},{"alias_kind":"pith_short_8","alias_value":"HKZUG4EX","created_at":"2026-07-23T01:24:58.861195+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/HKZUG4EXFPYCT4Y7B6GUGOMWYY","json":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY.json","graph_json":"https://pith.science/api/pith-number/HKZUG4EXFPYCT4Y7B6GUGOMWYY/graph.json","events_json":"https://pith.science/api/pith-number/HKZUG4EXFPYCT4Y7B6GUGOMWYY/events.json","paper":"https://pith.science/paper/HKZUG4EX"},"agent_actions":{"view_html":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY","download_json":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY.json","view_paper":"https://pith.science/paper/HKZUG4EX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.20067&json=true","fetch_graph":"https://pith.science/api/pith-number/HKZUG4EXFPYCT4Y7B6GUGOMWYY/graph.json","fetch_events":"https://pith.science/api/pith-number/HKZUG4EXFPYCT4Y7B6GUGOMWYY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY/action/storage_attestation","attest_author":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY/action/author_attestation","sign_citation":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY/action/citation_signature","submit_replication":"https://pith.science/pith/HKZUG4EXFPYCT4Y7B6GUGOMWYY/action/replication_record"}},"created_at":"2026-07-23T01:24:58.861195+00:00","updated_at":"2026-07-23T01:24:58.861195+00:00"}