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On the fundamentals of bowed-string dynamics.Acustica, 43(2):93–108, 1979","work_id":"6eb96642-be9e-4a1a-b141-d025169ce61f","year":1979}],"snapshot_sha256":"cc45487c213f8c836acb8107d6549a6cd55eea29097d62398574f138fed6499a"},"source":{"id":"2605.16210","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-19T18:17:40.831924Z","id":"1a2f4744-ad1f-4c26-a1cb-3f9e490c6540","model_set":{"reader":"grok-4.3"},"one_line_summary":"A coupled string-body model with elastic and stiffness terms is simulated with one or two tuned mass dampers to optimize wolf-note suppression and tonal balance in large bowed instruments.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"A coupled dynamical model shows that one or two tuned suppressors can eliminate wolf notes in large string instruments while limiting damage to tonal balance.","strongest_claim":"The proposed numerical tests give insights about optimal tuning and placement of one or two suppressors, achieving effective wolf-note suppression while preserving as much as possible the global tonal balance.","weakest_assumption":"The two-dimensional body model with combined second-order elastic and fourth-order stiffness contributions accurately captures the relevant resonances that interact with the string; this modeling choice is stated in the abstract as the basis for the coupled dynamics."}},"verdict_id":"1a2f4744-ad1f-4c26-a1cb-3f9e490c6540"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:344fff79fb2104526900b6618a75a0709db500ea33fc8e7ad1d06690d8dbf6f1","target":"record","created_at":"2026-05-20T00:01:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f429c03b2af6f097594944518955801ae6df07750b7d3489ef4a8cd3b7fb248a","cross_cats_sorted":["cs.NA","math.NA","math.OC"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"math.DS","submitted_at":"2026-05-15T17:26:06Z","title_canon_sha256":"b2b6e5521e4f80befe15415e26ab9a7f822b57c71e6f79ddf2cc2060382bf56f"},"schema_version":"1.0","source":{"id":"2605.16210","kind":"arxiv","version":1}},"canonical_sha256":"5ea62165d88aa283b31c815978a7771d67af3af3347bc97451a82a7e5462f1b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ea62165d88aa283b31c815978a7771d67af3af3347bc97451a82a7e5462f1b0","first_computed_at":"2026-05-20T00:01:58.207007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:01:58.207007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MZrkmfMYii1TGAPVEUyqL781Xh6vR8f1XBC4bx6HEvwVnx3OcWMn59nEulpTD+W7DgpcTugvDSJO7mjtFvgoDA==","signature_status":"signed_v1","signed_at":"2026-05-20T00:01:58.207803Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.16210","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:344fff79fb2104526900b6618a75a0709db500ea33fc8e7ad1d06690d8dbf6f1","sha256:9c44fb12f94335500068b0560a1e69d3ad8a35f3f462114d8fd70fafa0be58d2"],"state_sha256":"e4f5df717b24b1378351716b45b713b6e5cfcc18240cf1183b0fa94fb943c02a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5X6zEjAH5/3aFnVgsbHUM7FYvDm6wjpkyRtFR3KX3CG95OkX8JKCJVRlQogLvnOzCSvnOVDo/Ak7XaN6E9UaBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T12:37:25.998248Z","bundle_sha256":"e36b6606e9eaa2831b02264c3014b231f71360c20c94b02a18e3d47ec94475b7"}}