{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:X6DCG7PZIKPGUXOJV2ZCFIH7EU","short_pith_number":"pith:X6DCG7PZ","schema_version":"1.0","canonical_sha256":"bf86237df9429e6a5dc9aeb222a0ff250c85316219b81388e652bc33bb83a2ce","source":{"kind":"arxiv","id":"1210.5109","version":1},"attestation_state":"computed","paper":{"title":"Global and local synthetic descriptions of the piano soundboard","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Kerem Ege (LVA), Xavier Boutillon (LMS)","submitted_at":"2012-10-18T12:31:17Z","abstract_excerpt":"Up to around 1.1 kHz, the soundboard of the piano behaves like a homogeneous plate whereas upper in frequency, it can be described as a set of waveguides defined by the ribs. In consequence: a) The acoustical coincidence phenomenon is deeply modified in comparison with that occurring in homogeneous plates since the dispersion curve of a waveguide can present none, one, or two coincidence frequencies. This may result in a nonuniformity of the soundboard radiation in the treble range, corresponding to the so-called killer octave, where a good sustain is difficult to obtain. b) The mobility (mech"},"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":"1210.5109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2012-10-18T12:31:17Z","cross_cats_sorted":[],"title_canon_sha256":"cabacd229e2d7845ea263fd78c0773c9613670f1b4fcc6652223287bf8873c70","abstract_canon_sha256":"4478670a4fb9dd50d236b3f595ec25c0c31058c48789632242c727204a067f4c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:53.844089Z","signature_b64":"uosyQYNajLNDOTd/0yrIXCA9td+pEWLcSLhFIAaW3+eKMRQKr3n6jgu7Lee+SVq2WlPuda1njKvgOqW6sHFFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf86237df9429e6a5dc9aeb222a0ff250c85316219b81388e652bc33bb83a2ce","last_reissued_at":"2026-05-18T03:42:53.843562Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:53.843562Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Global and local synthetic descriptions of the piano soundboard","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Kerem Ege (LVA), Xavier Boutillon (LMS)","submitted_at":"2012-10-18T12:31:17Z","abstract_excerpt":"Up to around 1.1 kHz, the soundboard of the piano behaves like a homogeneous plate whereas upper in frequency, it can be described as a set of waveguides defined by the ribs. In consequence: a) The acoustical coincidence phenomenon is deeply modified in comparison with that occurring in homogeneous plates since the dispersion curve of a waveguide can present none, one, or two coincidence frequencies. This may result in a nonuniformity of the soundboard radiation in the treble range, corresponding to the so-called killer octave, where a good sustain is difficult to obtain. b) The mobility (mech"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.5109","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":"1210.5109","created_at":"2026-05-18T03:42:53.843647+00:00"},{"alias_kind":"arxiv_version","alias_value":"1210.5109v1","created_at":"2026-05-18T03:42:53.843647+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.5109","created_at":"2026-05-18T03:42:53.843647+00:00"},{"alias_kind":"pith_short_12","alias_value":"X6DCG7PZIKPG","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_16","alias_value":"X6DCG7PZIKPGUXOJ","created_at":"2026-05-18T12:27:27.928770+00:00"},{"alias_kind":"pith_short_8","alias_value":"X6DCG7PZ","created_at":"2026-05-18T12:27:27.928770+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/X6DCG7PZIKPGUXOJV2ZCFIH7EU","json":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU.json","graph_json":"https://pith.science/api/pith-number/X6DCG7PZIKPGUXOJV2ZCFIH7EU/graph.json","events_json":"https://pith.science/api/pith-number/X6DCG7PZIKPGUXOJV2ZCFIH7EU/events.json","paper":"https://pith.science/paper/X6DCG7PZ"},"agent_actions":{"view_html":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU","download_json":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU.json","view_paper":"https://pith.science/paper/X6DCG7PZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1210.5109&json=true","fetch_graph":"https://pith.science/api/pith-number/X6DCG7PZIKPGUXOJV2ZCFIH7EU/graph.json","fetch_events":"https://pith.science/api/pith-number/X6DCG7PZIKPGUXOJV2ZCFIH7EU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU/action/storage_attestation","attest_author":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU/action/author_attestation","sign_citation":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU/action/citation_signature","submit_replication":"https://pith.science/pith/X6DCG7PZIKPGUXOJV2ZCFIH7EU/action/replication_record"}},"created_at":"2026-05-18T03:42:53.843647+00:00","updated_at":"2026-05-18T03:42:53.843647+00:00"}