{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:5GTNDB2MULEVDOSD2R7K5HHTPG","short_pith_number":"pith:5GTNDB2M","schema_version":"1.0","canonical_sha256":"e9a6d1874ca2c951ba43d47eae9cf3798b0ef730ae6487a32b039727179905e0","source":{"kind":"arxiv","id":"1909.11781","version":2},"attestation_state":"computed","paper":{"title":"Boundary-element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Adri\\'an Madirolas, Edmundo F. Lavia, Juan D. Gonzalez, Martin Maas, Silvia Blanc","submitted_at":"2019-09-25T21:24:08Z","abstract_excerpt":"A model for computing acoustic scattering by a swimbladdered fish with coupling to surrounding fish tissue that is assumed to behave as a homogeneous fluid, is presented. Mathematically, this corresponds to considering the problem of two penetrable scatterers immersed in a homogeneous medium, one of which is wholly embedded in the other. The model is formulated in the frame of boundary integral equations whose solution is achieved using the Boundary Element Method (BEM) for a planar triangle mesh. The numerical implementation is verified against benchmark solutions reported in the literature. "},"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":"1909.11781","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-09-25T21:24:08Z","cross_cats_sorted":[],"title_canon_sha256":"7905dc0aa692188243a3214f88a913b033b7dc590c4fb3890d77b93d437024a7","abstract_canon_sha256":"9c64fd34d760f314a291d6acf7fd6d5011144cfc875b636df4bd55c335a6afdd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:23:34.315779Z","signature_b64":"ytrH0q4Hsl0npeEdqTgsXeWqqs21Tad2sfX6ysrgCZRKjT8ZVVqPzV8kqogLFK/sodKeMD+BNLIMvFjWiH7DCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9a6d1874ca2c951ba43d47eae9cf3798b0ef730ae6487a32b039727179905e0","last_reissued_at":"2026-07-05T01:23:34.315246Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:23:34.315246Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Boundary-element method to analyze acoustic scattering from a coupled swimbladder-fish body configuration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Adri\\'an Madirolas, Edmundo F. Lavia, Juan D. Gonzalez, Martin Maas, Silvia Blanc","submitted_at":"2019-09-25T21:24:08Z","abstract_excerpt":"A model for computing acoustic scattering by a swimbladdered fish with coupling to surrounding fish tissue that is assumed to behave as a homogeneous fluid, is presented. Mathematically, this corresponds to considering the problem of two penetrable scatterers immersed in a homogeneous medium, one of which is wholly embedded in the other. The model is formulated in the frame of boundary integral equations whose solution is achieved using the Boundary Element Method (BEM) for a planar triangle mesh. The numerical implementation is verified against benchmark solutions reported in the literature. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.11781","kind":"arxiv","version":2},"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/1909.11781/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":"1909.11781","created_at":"2026-07-05T01:23:34.315310+00:00"},{"alias_kind":"arxiv_version","alias_value":"1909.11781v2","created_at":"2026-07-05T01:23:34.315310+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.11781","created_at":"2026-07-05T01:23:34.315310+00:00"},{"alias_kind":"pith_short_12","alias_value":"5GTNDB2MULEV","created_at":"2026-07-05T01:23:34.315310+00:00"},{"alias_kind":"pith_short_16","alias_value":"5GTNDB2MULEVDOSD","created_at":"2026-07-05T01:23:34.315310+00:00"},{"alias_kind":"pith_short_8","alias_value":"5GTNDB2M","created_at":"2026-07-05T01:23:34.315310+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/5GTNDB2MULEVDOSD2R7K5HHTPG","json":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG.json","graph_json":"https://pith.science/api/pith-number/5GTNDB2MULEVDOSD2R7K5HHTPG/graph.json","events_json":"https://pith.science/api/pith-number/5GTNDB2MULEVDOSD2R7K5HHTPG/events.json","paper":"https://pith.science/paper/5GTNDB2M"},"agent_actions":{"view_html":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG","download_json":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG.json","view_paper":"https://pith.science/paper/5GTNDB2M","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1909.11781&json=true","fetch_graph":"https://pith.science/api/pith-number/5GTNDB2MULEVDOSD2R7K5HHTPG/graph.json","fetch_events":"https://pith.science/api/pith-number/5GTNDB2MULEVDOSD2R7K5HHTPG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG/action/storage_attestation","attest_author":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG/action/author_attestation","sign_citation":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG/action/citation_signature","submit_replication":"https://pith.science/pith/5GTNDB2MULEVDOSD2R7K5HHTPG/action/replication_record"}},"created_at":"2026-07-05T01:23:34.315310+00:00","updated_at":"2026-07-05T01:23:34.315310+00:00"}