{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:7D4Y3O2FCTAK5SEBNXKSOEVMK2","short_pith_number":"pith:7D4Y3O2F","schema_version":"1.0","canonical_sha256":"f8f98dbb4514c0aec8816dd52712ac5686c164e011f2add2d3514750a387b350","source":{"kind":"arxiv","id":"cs/0010017","version":2},"attestation_state":"computed","paper":{"title":"Generalization of a 3-D resonator model for the simulation of spherical enclosures","license":"","headline":"","cross_cats":[],"primary_cat":"cs.SD","authors_text":"Davide Rocchesso, Pierre Dutilleux","submitted_at":"2000-10-10T13:08:28Z","abstract_excerpt":"A rectangular enclosure has such an even distribution of resonances that it can be accurately and efficiently modelled using a feedback delay network. Conversely, a non rectangular shape such as a sphere has a distribution of resonances that challenges the construction of an efficient model. This work proposes an extension of the already known feedback delay network structure to model the resonant properties of a sphere. A specific frequency distribution of resonances can be approximated, up to a certain frequency, by inserting an allpass filter of moderate order after each delay line of a fee"},"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":"cs/0010017","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"cs.SD","submitted_at":"2000-10-10T13:08:28Z","cross_cats_sorted":[],"title_canon_sha256":"0b4fb81bbb3e1274e1cdaa9b3deeccbd5ba121698876bd082bf517a4d49b6166","abstract_canon_sha256":"a74e3d99451be0d95774e123e2c992850f725c54bbf81bf5f8976648e9683143"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:31.949143Z","signature_b64":"Z0zbmabgcVTa7HZ8NKEndeffrj3Q4u7pp7ykq6l/asUA8WePAnfjXNAXNTpjiNocWpMCyq8t/6t0Tc3EnuVQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8f98dbb4514c0aec8816dd52712ac5686c164e011f2add2d3514750a387b350","last_reissued_at":"2026-05-18T01:20:31.948769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:31.948769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generalization of a 3-D resonator model for the simulation of spherical enclosures","license":"","headline":"","cross_cats":[],"primary_cat":"cs.SD","authors_text":"Davide Rocchesso, Pierre Dutilleux","submitted_at":"2000-10-10T13:08:28Z","abstract_excerpt":"A rectangular enclosure has such an even distribution of resonances that it can be accurately and efficiently modelled using a feedback delay network. Conversely, a non rectangular shape such as a sphere has a distribution of resonances that challenges the construction of an efficient model. This work proposes an extension of the already known feedback delay network structure to model the resonant properties of a sphere. A specific frequency distribution of resonances can be approximated, up to a certain frequency, by inserting an allpass filter of moderate order after each delay line of a fee"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cs/0010017","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":""},"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":"cs/0010017","created_at":"2026-05-18T01:20:31.948823+00:00"},{"alias_kind":"arxiv_version","alias_value":"cs/0010017v2","created_at":"2026-05-18T01:20:31.948823+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cs/0010017","created_at":"2026-05-18T01:20:31.948823+00:00"},{"alias_kind":"pith_short_12","alias_value":"7D4Y3O2FCTAK","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_16","alias_value":"7D4Y3O2FCTAK5SEB","created_at":"2026-05-18T12:25:49.631198+00:00"},{"alias_kind":"pith_short_8","alias_value":"7D4Y3O2F","created_at":"2026-05-18T12:25:49.631198+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/7D4Y3O2FCTAK5SEBNXKSOEVMK2","json":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2.json","graph_json":"https://pith.science/api/pith-number/7D4Y3O2FCTAK5SEBNXKSOEVMK2/graph.json","events_json":"https://pith.science/api/pith-number/7D4Y3O2FCTAK5SEBNXKSOEVMK2/events.json","paper":"https://pith.science/paper/7D4Y3O2F"},"agent_actions":{"view_html":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2","download_json":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2.json","view_paper":"https://pith.science/paper/7D4Y3O2F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cs/0010017&json=true","fetch_graph":"https://pith.science/api/pith-number/7D4Y3O2FCTAK5SEBNXKSOEVMK2/graph.json","fetch_events":"https://pith.science/api/pith-number/7D4Y3O2FCTAK5SEBNXKSOEVMK2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2/action/storage_attestation","attest_author":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2/action/author_attestation","sign_citation":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2/action/citation_signature","submit_replication":"https://pith.science/pith/7D4Y3O2FCTAK5SEBNXKSOEVMK2/action/replication_record"}},"created_at":"2026-05-18T01:20:31.948823+00:00","updated_at":"2026-05-18T01:20:31.948823+00:00"}