{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:27FSLXGWMYPBTQYIVF3YS5CYZC","short_pith_number":"pith:27FSLXGW","schema_version":"1.0","canonical_sha256":"d7cb25dcd6661e19c308a977897458c8a960e05ec0d3a2e605a0df7940df9078","source":{"kind":"arxiv","id":"1412.0328","version":1},"attestation_state":"computed","paper":{"title":"Regular and Chaotic Dynamics of a Piecewise Smooth Bouncer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.CD","authors_text":"Bruce N. Miller, Cameron K. Langer","submitted_at":"2014-12-01T02:19:02Z","abstract_excerpt":"The dynamical properties of a particle in a gravitational field colliding with a rigid wall moving with piecewise constant velocity are studied. The linear nature of the wall's motion permits further analytical investigation than is possible for the system's sinusoidal counterpart. We consider three distinct approaches to modeling collisions: (i) elastic, (ii) inelastic with constant restitution coefficient and (iii) inelastic with a velocity-dependent restitution function. We confirm the existence of distinct unbounded orbits (Fermi acceleration) in the elastic model, and investigate regular "},"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":"1412.0328","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.CD","submitted_at":"2014-12-01T02:19:02Z","cross_cats_sorted":[],"title_canon_sha256":"e30b536a6fc5d09d3d5fda8834554d7eeaddb077966cb9b0f26d2c1f35a29118","abstract_canon_sha256":"f1caf85b01aa372c4ec0218444c4870ec314aebcfc0397923b6f2fe7a63ef8ad"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:28.067822Z","signature_b64":"J3I3KfKASNygC5dXr+uPswznjthrrLhnU66iBgqTMHeWCn1S+6YwEw/ifSoygqmMwavJTx7KfdXWzYycf5pSAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d7cb25dcd6661e19c308a977897458c8a960e05ec0d3a2e605a0df7940df9078","last_reissued_at":"2026-05-18T02:32:28.067490Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:28.067490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Regular and Chaotic Dynamics of a Piecewise Smooth Bouncer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nlin.CD","authors_text":"Bruce N. Miller, Cameron K. Langer","submitted_at":"2014-12-01T02:19:02Z","abstract_excerpt":"The dynamical properties of a particle in a gravitational field colliding with a rigid wall moving with piecewise constant velocity are studied. The linear nature of the wall's motion permits further analytical investigation than is possible for the system's sinusoidal counterpart. We consider three distinct approaches to modeling collisions: (i) elastic, (ii) inelastic with constant restitution coefficient and (iii) inelastic with a velocity-dependent restitution function. We confirm the existence of distinct unbounded orbits (Fermi acceleration) in the elastic model, and investigate regular "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.0328","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":"1412.0328","created_at":"2026-05-18T02:32:28.067543+00:00"},{"alias_kind":"arxiv_version","alias_value":"1412.0328v1","created_at":"2026-05-18T02:32:28.067543+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.0328","created_at":"2026-05-18T02:32:28.067543+00:00"},{"alias_kind":"pith_short_12","alias_value":"27FSLXGWMYPB","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_16","alias_value":"27FSLXGWMYPBTQYI","created_at":"2026-05-18T12:28:09.283467+00:00"},{"alias_kind":"pith_short_8","alias_value":"27FSLXGW","created_at":"2026-05-18T12:28:09.283467+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/27FSLXGWMYPBTQYIVF3YS5CYZC","json":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC.json","graph_json":"https://pith.science/api/pith-number/27FSLXGWMYPBTQYIVF3YS5CYZC/graph.json","events_json":"https://pith.science/api/pith-number/27FSLXGWMYPBTQYIVF3YS5CYZC/events.json","paper":"https://pith.science/paper/27FSLXGW"},"agent_actions":{"view_html":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC","download_json":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC.json","view_paper":"https://pith.science/paper/27FSLXGW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1412.0328&json=true","fetch_graph":"https://pith.science/api/pith-number/27FSLXGWMYPBTQYIVF3YS5CYZC/graph.json","fetch_events":"https://pith.science/api/pith-number/27FSLXGWMYPBTQYIVF3YS5CYZC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC/action/storage_attestation","attest_author":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC/action/author_attestation","sign_citation":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC/action/citation_signature","submit_replication":"https://pith.science/pith/27FSLXGWMYPBTQYIVF3YS5CYZC/action/replication_record"}},"created_at":"2026-05-18T02:32:28.067543+00:00","updated_at":"2026-05-18T02:32:28.067543+00:00"}