{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:GA7WCNJJNMTBGNZFYFWNPLTCEV","short_pith_number":"pith:GA7WCNJJ","schema_version":"1.0","canonical_sha256":"303f6135296b26133725c16cd7ae62255a5d4655b84c8396dc875a6ea8f0fb0c","source":{"kind":"arxiv","id":"1701.00055","version":1},"attestation_state":"computed","paper":{"title":"High order local absorbing boundary conditions for acoustic waves in terms of farfield expansions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NA","math.NA"],"primary_cat":"physics.comp-ph","authors_text":"Blake Dastrup, Sebastian Acosta, Vianey Villamizar","submitted_at":"2016-12-31T03:38:59Z","abstract_excerpt":"We devise a new high order local absorbing boundary condition (ABC) for radiating problems and scattering of time-harmonic acoustic waves from obstacles of arbitrary shape. By introducing an artificial boundary $S$ enclosing the scatterer, the original unbounded domain $\\Omega$ is decomposed into a bounded computational domain $\\Omega^{-}$ and an exterior unbounded domain $\\Omega^{+}$. Then, we define interface conditions at the artificial boundary $S$, from truncated versions of the well-known Wilcox and Karp farfield expansion representations of the exact solution in the exterior region $\\Om"},"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":"1701.00055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2016-12-31T03:38:59Z","cross_cats_sorted":["cs.NA","math.NA"],"title_canon_sha256":"1372ea54604c2d2cf71bfed388d642be47cd048543448f47ca17ad3348da62a6","abstract_canon_sha256":"9bce4222558922a8929705b478898a09693fb0d47c335f0d3f8c50cbc82adf30"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-04T18:10:22.806606Z","signature_b64":"SsxttnVGF05Nq7B5Fp9vwHFpmwZaWHKvngZ1s9/HD44rM4tDV7lFfguR1ieSrA9Z67SIQ0tKLn8lCdSqM9/aBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"303f6135296b26133725c16cd7ae62255a5d4655b84c8396dc875a6ea8f0fb0c","last_reissued_at":"2026-06-04T18:10:22.806080Z","signature_status":"signed_v1","first_computed_at":"2026-06-04T18:10:22.806080Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High order local absorbing boundary conditions for acoustic waves in terms of farfield expansions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NA","math.NA"],"primary_cat":"physics.comp-ph","authors_text":"Blake Dastrup, Sebastian Acosta, Vianey Villamizar","submitted_at":"2016-12-31T03:38:59Z","abstract_excerpt":"We devise a new high order local absorbing boundary condition (ABC) for radiating problems and scattering of time-harmonic acoustic waves from obstacles of arbitrary shape. By introducing an artificial boundary $S$ enclosing the scatterer, the original unbounded domain $\\Omega$ is decomposed into a bounded computational domain $\\Omega^{-}$ and an exterior unbounded domain $\\Omega^{+}$. Then, we define interface conditions at the artificial boundary $S$, from truncated versions of the well-known Wilcox and Karp farfield expansion representations of the exact solution in the exterior region $\\Om"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00055","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/1701.00055/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":"1701.00055","created_at":"2026-06-04T18:10:22.806141+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.00055v1","created_at":"2026-06-04T18:10:22.806141+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00055","created_at":"2026-06-04T18:10:22.806141+00:00"},{"alias_kind":"pith_short_12","alias_value":"GA7WCNJJNMTB","created_at":"2026-06-04T18:10:22.806141+00:00"},{"alias_kind":"pith_short_16","alias_value":"GA7WCNJJNMTBGNZF","created_at":"2026-06-04T18:10:22.806141+00:00"},{"alias_kind":"pith_short_8","alias_value":"GA7WCNJJ","created_at":"2026-06-04T18:10:22.806141+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/GA7WCNJJNMTBGNZFYFWNPLTCEV","json":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV.json","graph_json":"https://pith.science/api/pith-number/GA7WCNJJNMTBGNZFYFWNPLTCEV/graph.json","events_json":"https://pith.science/api/pith-number/GA7WCNJJNMTBGNZFYFWNPLTCEV/events.json","paper":"https://pith.science/paper/GA7WCNJJ"},"agent_actions":{"view_html":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV","download_json":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV.json","view_paper":"https://pith.science/paper/GA7WCNJJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.00055&json=true","fetch_graph":"https://pith.science/api/pith-number/GA7WCNJJNMTBGNZFYFWNPLTCEV/graph.json","fetch_events":"https://pith.science/api/pith-number/GA7WCNJJNMTBGNZFYFWNPLTCEV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV/action/storage_attestation","attest_author":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV/action/author_attestation","sign_citation":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV/action/citation_signature","submit_replication":"https://pith.science/pith/GA7WCNJJNMTBGNZFYFWNPLTCEV/action/replication_record"}},"created_at":"2026-06-04T18:10:22.806141+00:00","updated_at":"2026-06-04T18:10:22.806141+00:00"}