{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:HK2OOL7QMTXRYR3PUWMPXGJNIW","short_pith_number":"pith:HK2OOL7Q","schema_version":"1.0","canonical_sha256":"3ab4e72ff064ef1c476fa598fb992d4591fcd39b7ca753b11b8b5d4f0148a8dc","source":{"kind":"arxiv","id":"1706.07919","version":1},"attestation_state":"computed","paper":{"title":"Space-time domain solutions of the wave equation by a non-singular boundary integral method and Fourier transform","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Derek Y. C. Chan, Evert Klaseboer, Shahrokh Sepehrirahnama","submitted_at":"2017-06-24T07:16:03Z","abstract_excerpt":"The general space-time evolution of the scattering of an incident acoustic plane wave pulse by an arbitrary configuration of targets is treated by employing a recently developed non-singular boundary integral method to solve the Helmholtz equation in the frequency domain from which the fast Fourier transform is used to obtain the full space-time solution of the wave equation. The non-singular boundary integral solution can enforce the radiation boundary condition at infinity exactly and can account for multiple scattering effects at all spacings between scatterers without adverse effects on th"},"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":"1706.07919","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2017-06-24T07:16:03Z","cross_cats_sorted":[],"title_canon_sha256":"044b8ed8af742f0aa0adfb21981f2d1233feeeb90827b5bbd3be241bd5018992","abstract_canon_sha256":"110f7239f227c0e26b9ce66d853a37d95a3b44ce840dea0aeb8ae583a57a9518"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:17.029692Z","signature_b64":"lghk4GUY3mV9ejwrzq890yBLhTb9DYdg2rgsdLGH3Xx2TOT03faFCOG/nSS2Qr9IDmVJDqMSgeU2fG+37bCaBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ab4e72ff064ef1c476fa598fb992d4591fcd39b7ca753b11b8b5d4f0148a8dc","last_reissued_at":"2026-05-18T00:33:17.029097Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:17.029097Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Space-time domain solutions of the wave equation by a non-singular boundary integral method and Fourier transform","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Derek Y. C. Chan, Evert Klaseboer, Shahrokh Sepehrirahnama","submitted_at":"2017-06-24T07:16:03Z","abstract_excerpt":"The general space-time evolution of the scattering of an incident acoustic plane wave pulse by an arbitrary configuration of targets is treated by employing a recently developed non-singular boundary integral method to solve the Helmholtz equation in the frequency domain from which the fast Fourier transform is used to obtain the full space-time solution of the wave equation. The non-singular boundary integral solution can enforce the radiation boundary condition at infinity exactly and can account for multiple scattering effects at all spacings between scatterers without adverse effects on th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.07919","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":"1706.07919","created_at":"2026-05-18T00:33:17.029168+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.07919v1","created_at":"2026-05-18T00:33:17.029168+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.07919","created_at":"2026-05-18T00:33:17.029168+00:00"},{"alias_kind":"pith_short_12","alias_value":"HK2OOL7QMTXR","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_16","alias_value":"HK2OOL7QMTXRYR3P","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_8","alias_value":"HK2OOL7Q","created_at":"2026-05-18T12:31:18.294218+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/HK2OOL7QMTXRYR3PUWMPXGJNIW","json":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW.json","graph_json":"https://pith.science/api/pith-number/HK2OOL7QMTXRYR3PUWMPXGJNIW/graph.json","events_json":"https://pith.science/api/pith-number/HK2OOL7QMTXRYR3PUWMPXGJNIW/events.json","paper":"https://pith.science/paper/HK2OOL7Q"},"agent_actions":{"view_html":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW","download_json":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW.json","view_paper":"https://pith.science/paper/HK2OOL7Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.07919&json=true","fetch_graph":"https://pith.science/api/pith-number/HK2OOL7QMTXRYR3PUWMPXGJNIW/graph.json","fetch_events":"https://pith.science/api/pith-number/HK2OOL7QMTXRYR3PUWMPXGJNIW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW/action/storage_attestation","attest_author":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW/action/author_attestation","sign_citation":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW/action/citation_signature","submit_replication":"https://pith.science/pith/HK2OOL7QMTXRYR3PUWMPXGJNIW/action/replication_record"}},"created_at":"2026-05-18T00:33:17.029168+00:00","updated_at":"2026-05-18T00:33:17.029168+00:00"}