{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:63CP3UBDANMO23Z44B6LMRXYIY","short_pith_number":"pith:63CP3UBD","schema_version":"1.0","canonical_sha256":"f6c4fdd0230358ed6f3ce07cb646f846395644039a2a453fc3a3218131a7f5b0","source":{"kind":"arxiv","id":"1804.05762","version":1},"attestation_state":"computed","paper":{"title":"Nonlinear effect of forced harmonic oscillator subject to sliding friction and simulation by a simple nonlinear circuit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Hongjian Jiang, Qian Xu, Sihui Wang, Wenkai Fan","submitted_at":"2018-03-25T17:03:50Z","abstract_excerpt":"We study the nonlinear behaviors of mass-spring systems damped by dry friction using simulation by a nonlinear LC circuit damped by anti-parallel diodes. We show that the differential equation for the electric oscillator is equivalent to the mechanical one's when a piecewise linear model is used to simplify the diodes I-V curve. We derive series solutions to the differential equation under weak nonlinear approximation which can describe the resonant response as well as amplitudes of superharmonic components. Experimental results are consistent with series solutions. We also present the phenome"},"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":"1804.05762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2018-03-25T17:03:50Z","cross_cats_sorted":[],"title_canon_sha256":"d9685654cfee19d4dcf6a14a7ea4fc421f31a93266d4cd828aa8b562205cadef","abstract_canon_sha256":"660c44955ea2c85f710b51b9e66eea1945c94b6ca9e5486d54c1bb3bf0e1aee1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:31.235920Z","signature_b64":"kOLzEPF0eMJoJeh7FogosQYcZ2xkO+zI7uvLZH5GfgB54nTAdCt6ohp5O10b8+wjEsbiwdsxxZAh/rwptbVmDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6c4fdd0230358ed6f3ce07cb646f846395644039a2a453fc3a3218131a7f5b0","last_reissued_at":"2026-05-17T23:53:31.235355Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:31.235355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nonlinear effect of forced harmonic oscillator subject to sliding friction and simulation by a simple nonlinear circuit","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Hongjian Jiang, Qian Xu, Sihui Wang, Wenkai Fan","submitted_at":"2018-03-25T17:03:50Z","abstract_excerpt":"We study the nonlinear behaviors of mass-spring systems damped by dry friction using simulation by a nonlinear LC circuit damped by anti-parallel diodes. We show that the differential equation for the electric oscillator is equivalent to the mechanical one's when a piecewise linear model is used to simplify the diodes I-V curve. We derive series solutions to the differential equation under weak nonlinear approximation which can describe the resonant response as well as amplitudes of superharmonic components. Experimental results are consistent with series solutions. We also present the phenome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.05762","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":"1804.05762","created_at":"2026-05-17T23:53:31.235438+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.05762v1","created_at":"2026-05-17T23:53:31.235438+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.05762","created_at":"2026-05-17T23:53:31.235438+00:00"},{"alias_kind":"pith_short_12","alias_value":"63CP3UBDANMO","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"63CP3UBDANMO23Z4","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"63CP3UBD","created_at":"2026-05-18T12:32:08.215937+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/63CP3UBDANMO23Z44B6LMRXYIY","json":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY.json","graph_json":"https://pith.science/api/pith-number/63CP3UBDANMO23Z44B6LMRXYIY/graph.json","events_json":"https://pith.science/api/pith-number/63CP3UBDANMO23Z44B6LMRXYIY/events.json","paper":"https://pith.science/paper/63CP3UBD"},"agent_actions":{"view_html":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY","download_json":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY.json","view_paper":"https://pith.science/paper/63CP3UBD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.05762&json=true","fetch_graph":"https://pith.science/api/pith-number/63CP3UBDANMO23Z44B6LMRXYIY/graph.json","fetch_events":"https://pith.science/api/pith-number/63CP3UBDANMO23Z44B6LMRXYIY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY/action/storage_attestation","attest_author":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY/action/author_attestation","sign_citation":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY/action/citation_signature","submit_replication":"https://pith.science/pith/63CP3UBDANMO23Z44B6LMRXYIY/action/replication_record"}},"created_at":"2026-05-17T23:53:31.235438+00:00","updated_at":"2026-05-17T23:53:31.235438+00:00"}