{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:LNVJXEO5JHQT3FKCQFILXJH4BC","short_pith_number":"pith:LNVJXEO5","schema_version":"1.0","canonical_sha256":"5b6a9b91dd49e13d95428150bba4fc088858cb6c8727730ae1bfed8c5f331f6c","source":{"kind":"arxiv","id":"2108.13649","version":1},"attestation_state":"computed","paper":{"title":"Resonant nonlinear response of a nanomechanical system with broken symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"E. M. Weig, G. Rastelli, J. S. Ochs, M. I. Dykman, M. Seitner","submitted_at":"2021-08-31T07:12:45Z","abstract_excerpt":"We study the response of a weakly damped vibrational mode of a nanostring resonator to a moderately strong resonant driving force. Because of the geometry of the experiment, the studied flexural vibrations lack inversion symmetry. As we show, this leads to a nontrivial dependence of the vibration amplitude on the force parameters. For a comparatively weak force, the response has the familiar Duffing form, but for a somewhat stronger force, it becomes significantly different. Concurrently there emerge vibrations at twice the drive frequency, a signature of the broken symmetry. Their amplitude a"},"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":"2108.13649","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-08-31T07:12:45Z","cross_cats_sorted":[],"title_canon_sha256":"3bebeee0a4dd9d30575f862609abb6460df637faaf630671a1b7c398faea711c","abstract_canon_sha256":"fa98dc537ce77ea37562a76bb9ae064b2904af6612488ee03cb7ef3e57c1f5eb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:27:04.635077Z","signature_b64":"XTtL3WNW+s6MF1L4q5e4wZUOw/0Nnl7I1SKtIX3/CM/dKSIWuaOixKNFCZM2omJHesJVOLhr2g+l7fM1htlqCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5b6a9b91dd49e13d95428150bba4fc088858cb6c8727730ae1bfed8c5f331f6c","last_reissued_at":"2026-07-05T03:27:04.634603Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:27:04.634603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Resonant nonlinear response of a nanomechanical system with broken symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"E. M. Weig, G. Rastelli, J. S. Ochs, M. I. Dykman, M. Seitner","submitted_at":"2021-08-31T07:12:45Z","abstract_excerpt":"We study the response of a weakly damped vibrational mode of a nanostring resonator to a moderately strong resonant driving force. Because of the geometry of the experiment, the studied flexural vibrations lack inversion symmetry. As we show, this leads to a nontrivial dependence of the vibration amplitude on the force parameters. For a comparatively weak force, the response has the familiar Duffing form, but for a somewhat stronger force, it becomes significantly different. Concurrently there emerge vibrations at twice the drive frequency, a signature of the broken symmetry. Their amplitude a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.13649","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/2108.13649/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":"2108.13649","created_at":"2026-07-05T03:27:04.634670+00:00"},{"alias_kind":"arxiv_version","alias_value":"2108.13649v1","created_at":"2026-07-05T03:27:04.634670+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.13649","created_at":"2026-07-05T03:27:04.634670+00:00"},{"alias_kind":"pith_short_12","alias_value":"LNVJXEO5JHQT","created_at":"2026-07-05T03:27:04.634670+00:00"},{"alias_kind":"pith_short_16","alias_value":"LNVJXEO5JHQT3FKC","created_at":"2026-07-05T03:27:04.634670+00:00"},{"alias_kind":"pith_short_8","alias_value":"LNVJXEO5","created_at":"2026-07-05T03:27:04.634670+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/LNVJXEO5JHQT3FKCQFILXJH4BC","json":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC.json","graph_json":"https://pith.science/api/pith-number/LNVJXEO5JHQT3FKCQFILXJH4BC/graph.json","events_json":"https://pith.science/api/pith-number/LNVJXEO5JHQT3FKCQFILXJH4BC/events.json","paper":"https://pith.science/paper/LNVJXEO5"},"agent_actions":{"view_html":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC","download_json":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC.json","view_paper":"https://pith.science/paper/LNVJXEO5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2108.13649&json=true","fetch_graph":"https://pith.science/api/pith-number/LNVJXEO5JHQT3FKCQFILXJH4BC/graph.json","fetch_events":"https://pith.science/api/pith-number/LNVJXEO5JHQT3FKCQFILXJH4BC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC/action/storage_attestation","attest_author":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC/action/author_attestation","sign_citation":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC/action/citation_signature","submit_replication":"https://pith.science/pith/LNVJXEO5JHQT3FKCQFILXJH4BC/action/replication_record"}},"created_at":"2026-07-05T03:27:04.634670+00:00","updated_at":"2026-07-05T03:27:04.634670+00:00"}