{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:6JU5FYULUVUKKU2BMVRPYWQLF2","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":"0f9ce6cd8b2789a8042afa7359685af530a046e3b1391d11371b316c353e696d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2011-12-21T02:40:28Z","title_canon_sha256":"17d875c94779942546599c10e7404b019bd9b484f2a3030daea04e3082c82959"},"schema_version":"1.0","source":{"id":"1112.4913","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4913","created_at":"2026-05-18T04:03:44Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4913v2","created_at":"2026-05-18T04:03:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4913","created_at":"2026-05-18T04:03:44Z"},{"alias_kind":"pith_short_12","alias_value":"6JU5FYULUVUK","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"6JU5FYULUVUKKU2B","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"6JU5FYUL","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:db8b2ba1f985a0510c376172878fa58371df40adb22e51d64f06acf67c3c9fcc","target":"graph","created_at":"2026-05-18T04:03:44Z","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":"Effective equation of motion of a rattleback is obtained from the basic equation of motion with viscous friction depending on slip velocity. This effective equation of motion is used to estimate the number of spin reversals and the rattleback shape that causes the maximum number of spin reversals. These estimates are compared with numerical simulations based on the basic equation of motion.","authors_text":"Hiroshi Takano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2011-12-21T02:40:28Z","title":"Spin reversal of a rattleback with viscous friction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4913","kind":"arxiv","version":2},"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":"sha256:3af653e0077d86c0a8f96228df0498bf9ebf1d98a85597e779ac71614e5f3376","target":"record","created_at":"2026-05-18T04:03:44Z","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":"0f9ce6cd8b2789a8042afa7359685af530a046e3b1391d11371b316c353e696d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2011-12-21T02:40:28Z","title_canon_sha256":"17d875c94779942546599c10e7404b019bd9b484f2a3030daea04e3082c82959"},"schema_version":"1.0","source":{"id":"1112.4913","kind":"arxiv","version":2}},"canonical_sha256":"f269d2e28ba568a553416562fc5a0b2e928c5006288973581f88b36fc6c1549b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f269d2e28ba568a553416562fc5a0b2e928c5006288973581f88b36fc6c1549b","first_computed_at":"2026-05-18T04:03:44.955322Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:03:44.955322Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wTH+EnAzWznc3hUyAzSUL9gWJR8C1rfwQpNKLs2Uk1HEKiqrKNeLw6PFWjAfT2irQQ+nIvm5n6OtsgzNzHpPDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:03:44.955979Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.4913","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3af653e0077d86c0a8f96228df0498bf9ebf1d98a85597e779ac71614e5f3376","sha256:db8b2ba1f985a0510c376172878fa58371df40adb22e51d64f06acf67c3c9fcc"],"state_sha256":"f56d0184e4d535fc578e57d19d0e687b028db232ad3aea7e66e34c1e94358499"}