{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:P2LKASNPUXNCJ4CZLLEV4EAJYR","short_pith_number":"pith:P2LKASNP","schema_version":"1.0","canonical_sha256":"7e96a049afa5da24f0595ac95e1009c46066283899c7f4d30ee6996eb53b3248","source":{"kind":"arxiv","id":"1905.09984","version":1},"attestation_state":"computed","paper":{"title":"Experimental Realization of Acoustic Bianisotropic Gratings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Andrew N. Norris, Chengzhi Shi, Steven R. Craig, Xiaoshi Su","submitted_at":"2019-05-24T01:05:35Z","abstract_excerpt":"Acoustic bianisotropic materials couple pressure and local particle velocity fields to simultaneously excite monopole and dipole scattering, which results in asymmetric wave transmission and reflection of airborne sound. In this work, we systematically realize an arbitrarily given bianisotropic coupling between the pressure and velocity fields for asymmetric wave propagation by an acoustic grating with inversion symmetry breaking. This acoustic bianisotropic grating is designed by optimizing the unit cells with a finite element method to achieve the desired scattering wavevectors determined by"},"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":"1905.09984","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-05-24T01:05:35Z","cross_cats_sorted":[],"title_canon_sha256":"835ac609aa47cc4c98eed38395f4e001a312310cb8ebf73bf24e18d4ee6310a9","abstract_canon_sha256":"8caf9893ca2e3d37575b360e5764596fcdf6d715912d2990cf9b4d108fd9777d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:13.847844Z","signature_b64":"oTPdG0tvfNlcqgShdjkGyu22Csdii89+PCerWniNnDo3i1+udCotERqx+L+6IG9rK4DDzWg62fQPoXfb8GSKAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e96a049afa5da24f0595ac95e1009c46066283899c7f4d30ee6996eb53b3248","last_reissued_at":"2026-05-17T23:45:13.847197Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:13.847197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental Realization of Acoustic Bianisotropic Gratings","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Andrew N. Norris, Chengzhi Shi, Steven R. Craig, Xiaoshi Su","submitted_at":"2019-05-24T01:05:35Z","abstract_excerpt":"Acoustic bianisotropic materials couple pressure and local particle velocity fields to simultaneously excite monopole and dipole scattering, which results in asymmetric wave transmission and reflection of airborne sound. In this work, we systematically realize an arbitrarily given bianisotropic coupling between the pressure and velocity fields for asymmetric wave propagation by an acoustic grating with inversion symmetry breaking. This acoustic bianisotropic grating is designed by optimizing the unit cells with a finite element method to achieve the desired scattering wavevectors determined by"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.09984","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":""},"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":"1905.09984","created_at":"2026-05-17T23:45:13.847310+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.09984v1","created_at":"2026-05-17T23:45:13.847310+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.09984","created_at":"2026-05-17T23:45:13.847310+00:00"},{"alias_kind":"pith_short_12","alias_value":"P2LKASNPUXNC","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"P2LKASNPUXNCJ4CZ","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"P2LKASNP","created_at":"2026-05-18T12:33:24.271573+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/P2LKASNPUXNCJ4CZLLEV4EAJYR","json":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR.json","graph_json":"https://pith.science/api/pith-number/P2LKASNPUXNCJ4CZLLEV4EAJYR/graph.json","events_json":"https://pith.science/api/pith-number/P2LKASNPUXNCJ4CZLLEV4EAJYR/events.json","paper":"https://pith.science/paper/P2LKASNP"},"agent_actions":{"view_html":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR","download_json":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR.json","view_paper":"https://pith.science/paper/P2LKASNP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.09984&json=true","fetch_graph":"https://pith.science/api/pith-number/P2LKASNPUXNCJ4CZLLEV4EAJYR/graph.json","fetch_events":"https://pith.science/api/pith-number/P2LKASNPUXNCJ4CZLLEV4EAJYR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR/action/storage_attestation","attest_author":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR/action/author_attestation","sign_citation":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR/action/citation_signature","submit_replication":"https://pith.science/pith/P2LKASNPUXNCJ4CZLLEV4EAJYR/action/replication_record"}},"created_at":"2026-05-17T23:45:13.847310+00:00","updated_at":"2026-05-17T23:45:13.847310+00:00"}