{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:MYNT72RIR5AV6OGOUIDGFQZNST","short_pith_number":"pith:MYNT72RI","schema_version":"1.0","canonical_sha256":"661b3fea288f415f38cea20662c32d94f14fa3a20963dc7965437f361e79745f","source":{"kind":"arxiv","id":"math/0508365","version":2},"attestation_state":"computed","paper":{"title":"Lie Group Variational Integrators for the Full Body Problem","license":"","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Melvin Leok, N. Harris McClamroch, Taeyoung Lee","submitted_at":"2005-08-19T04:21:13Z","abstract_excerpt":"We develop the equations of motion for full body models that describe the dynamics of rigid bodies, acting under their mutual gravity. The equations are derived using a variational approach where variations are defined on the Lie group of rigid body configurations. Both continuous equations of motion and variational integrators are developed in Lagrangian and Hamiltonian forms, and the reduction from the inertial frame to a relative coordinate system is also carried out. The Lie group variational integrators are shown to be symplectic, to preserve conserved quantities, and to guarantee exact e"},"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":"math/0508365","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"math.NA","submitted_at":"2005-08-19T04:21:13Z","cross_cats_sorted":["cs.NA"],"title_canon_sha256":"26815242a6d1e8ad4fced7164714a47aeb188b02f5c4723e8a1f82825206e0ba","abstract_canon_sha256":"c43300724128383967fb135bbdaf0f490a6aed81af2b7fd5626dc45b2690cbf1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T22:06:17.541179Z","signature_b64":"ZUiw004sApGTkr88WrsM2nMtggQDTAejFpU0cgAdGuW0jECD5AXrazUK7JuqCbt+lgYf38JipzwKVFTZ4ZMLBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"661b3fea288f415f38cea20662c32d94f14fa3a20963dc7965437f361e79745f","last_reissued_at":"2026-06-03T22:06:17.540812Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T22:06:17.540812Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Lie Group Variational Integrators for the Full Body Problem","license":"","headline":"","cross_cats":["cs.NA"],"primary_cat":"math.NA","authors_text":"Melvin Leok, N. Harris McClamroch, Taeyoung Lee","submitted_at":"2005-08-19T04:21:13Z","abstract_excerpt":"We develop the equations of motion for full body models that describe the dynamics of rigid bodies, acting under their mutual gravity. The equations are derived using a variational approach where variations are defined on the Lie group of rigid body configurations. Both continuous equations of motion and variational integrators are developed in Lagrangian and Hamiltonian forms, and the reduction from the inertial frame to a relative coordinate system is also carried out. The Lie group variational integrators are shown to be symplectic, to preserve conserved quantities, and to guarantee exact e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"math/0508365","kind":"arxiv","version":2},"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/math/0508365/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":"math/0508365","created_at":"2026-06-03T22:06:17.540874+00:00"},{"alias_kind":"arxiv_version","alias_value":"math/0508365v2","created_at":"2026-06-03T22:06:17.540874+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.math/0508365","created_at":"2026-06-03T22:06:17.540874+00:00"},{"alias_kind":"pith_short_12","alias_value":"MYNT72RIR5AV","created_at":"2026-06-03T22:06:17.540874+00:00"},{"alias_kind":"pith_short_16","alias_value":"MYNT72RIR5AV6OGO","created_at":"2026-06-03T22:06:17.540874+00:00"},{"alias_kind":"pith_short_8","alias_value":"MYNT72RI","created_at":"2026-06-03T22:06:17.540874+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/MYNT72RIR5AV6OGOUIDGFQZNST","json":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST.json","graph_json":"https://pith.science/api/pith-number/MYNT72RIR5AV6OGOUIDGFQZNST/graph.json","events_json":"https://pith.science/api/pith-number/MYNT72RIR5AV6OGOUIDGFQZNST/events.json","paper":"https://pith.science/paper/MYNT72RI"},"agent_actions":{"view_html":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST","download_json":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST.json","view_paper":"https://pith.science/paper/MYNT72RI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=math/0508365&json=true","fetch_graph":"https://pith.science/api/pith-number/MYNT72RIR5AV6OGOUIDGFQZNST/graph.json","fetch_events":"https://pith.science/api/pith-number/MYNT72RIR5AV6OGOUIDGFQZNST/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST/action/storage_attestation","attest_author":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST/action/author_attestation","sign_citation":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST/action/citation_signature","submit_replication":"https://pith.science/pith/MYNT72RIR5AV6OGOUIDGFQZNST/action/replication_record"}},"created_at":"2026-06-03T22:06:17.540874+00:00","updated_at":"2026-06-03T22:06:17.540874+00:00"}