{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:UJ6XVZXCBSJ2QVRJEBLKNIJY2Y","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"63394cdd4f9ffe503de8636251953216e9a6b3f4e598b9012ee1b808f72783af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2014-04-22T19:14:40Z","title_canon_sha256":"b066798c981ad7043e78b50d18f44003915c50c574c6baa380f8ff5bef191a5d"},"schema_version":"1.0","source":{"id":"1404.5596","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.5596","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"arxiv_version","alias_value":"1404.5596v1","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.5596","created_at":"2026-05-18T02:53:30Z"},{"alias_kind":"pith_short_12","alias_value":"UJ6XVZXCBSJ2","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"UJ6XVZXCBSJ2QVRJ","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"UJ6XVZXC","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:d7203238125755137907d64f1b1c0cc3ac4b97b408aff573f776f19cf0ea5c06","target":"graph","created_at":"2026-05-18T02:53:30Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"A class of modified Duffing oscillator differential equations, having nonlinear damping forces, are shown to have finite time dynamics, i.e., the solutions oscillate with only a finite number of cycles, and, thereafter, the motion is zero. The relevance of this feature is briefly discussed in relationship to the mathematical modeling, analysis, and estimation of parameters for the vibrations of carbon nano-tubes and graphene sheets, and macroscopic beams and plates.","authors_text":"Kale Oyedeji, Ray Bullock, Ronald E. Mickens, Warren E. Collins","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2014-04-22T19:14:40Z","title":"Nonlinear-damped Duffing oscillators having finite time dynamics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.5596","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:bf131340b9d2d8489410e4ae50dce98204b611ded36c7a302fb4b7508aae9fcf","target":"record","created_at":"2026-05-18T02:53:30Z","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":"63394cdd4f9ffe503de8636251953216e9a6b3f4e598b9012ee1b808f72783af","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2014-04-22T19:14:40Z","title_canon_sha256":"b066798c981ad7043e78b50d18f44003915c50c574c6baa380f8ff5bef191a5d"},"schema_version":"1.0","source":{"id":"1404.5596","kind":"arxiv","version":1}},"canonical_sha256":"a27d7ae6e20c93a856292056a6a138d612290f55e4e4cc520c4d10497fdd857f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a27d7ae6e20c93a856292056a6a138d612290f55e4e4cc520c4d10497fdd857f","first_computed_at":"2026-05-18T02:53:30.831879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:30.831879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YJtA4NYtvORm0tz0J6m/ENbM+yy7BK2gGbqBFLDXKd+Blw7SgV9TqPjHU6E2lM2MjO7k97QmZYGZ5BJ4RAp1AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:30.832657Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.5596","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf131340b9d2d8489410e4ae50dce98204b611ded36c7a302fb4b7508aae9fcf","sha256:d7203238125755137907d64f1b1c0cc3ac4b97b408aff573f776f19cf0ea5c06"],"state_sha256":"81dff1934034bf3e6e72036d79098068a25d406ea83f4c02faa5728fb840f28f"}