{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Y5VSUTPN5YHYQSOIMSOAS5KGLZ","short_pith_number":"pith:Y5VSUTPN","canonical_record":{"source":{"id":"1906.11374","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2019-06-26T22:50:41Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"f6432d7aa6bb649bdd456a095d300de1f985511e3e6d2c0051dd3e75ebcc002c","abstract_canon_sha256":"fc6af0c8e0e51f3ad22033193f9165ade469c72ad31519adc61328eadc51ce2c"},"schema_version":"1.0"},"canonical_sha256":"c76b2a4dedee0f8849c8649c0975465e4350dba758deea44ebe60b1076369587","source":{"kind":"arxiv","id":"1906.11374","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.11374","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"arxiv_version","alias_value":"1906.11374v3","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.11374","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"pith_short_12","alias_value":"Y5VSUTPN5YHY","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"pith_short_16","alias_value":"Y5VSUTPN5YHYQSOI","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"pith_short_8","alias_value":"Y5VSUTPN","created_at":"2026-07-05T07:29:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Y5VSUTPN5YHYQSOIMSOAS5KGLZ","target":"record","payload":{"canonical_record":{"source":{"id":"1906.11374","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2019-06-26T22:50:41Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"f6432d7aa6bb649bdd456a095d300de1f985511e3e6d2c0051dd3e75ebcc002c","abstract_canon_sha256":"fc6af0c8e0e51f3ad22033193f9165ade469c72ad31519adc61328eadc51ce2c"},"schema_version":"1.0"},"canonical_sha256":"c76b2a4dedee0f8849c8649c0975465e4350dba758deea44ebe60b1076369587","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:29:23.920650Z","signature_b64":"IP4Kv8gqvGdoWh22Jq4xd8NlpE68L0uYYqqvWjAseXOkc7Ty1Rt9hF3Xs5P7WEHFYSKRHWoR2DgPiWDsgmtfBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c76b2a4dedee0f8849c8649c0975465e4350dba758deea44ebe60b1076369587","last_reissued_at":"2026-07-05T07:29:23.920188Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:29:23.920188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.11374","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:29:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x71F5gbkojkiOdrm8iQ+eeWmhshxGv5KkyhUsMu9r2bAKcAr8b5DM8F9Q8H6aLFOhX4Kga12RbmRSZFTRuNSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T08:54:17.646452Z"},"content_sha256":"de27adb6d3c4393158b8a35475235a8c579e71acb2d28c0765bc730157e7caa0","schema_version":"1.0","event_id":"sha256:de27adb6d3c4393158b8a35475235a8c579e71acb2d28c0765bc730157e7caa0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Y5VSUTPN5YHYQSOIMSOAS5KGLZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometric phase predicts locomotion performance in undulating living systems across scales","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"physics.bio-ph","authors_text":"Baxi Chong, Chaohui Gong, Christopher Pierce, Daniel I Goldman, Hang Lu, Henry C Astley, Howie Choset, Jennifer M Rieser, Kelimar Diaz, Perrin E Schiebel, Ross L Hatton","submitted_at":"2019-06-26T22:50:41Z","abstract_excerpt":"Self-propelling organisms locomote via generation of patterns of self-deformation. Despite the diversity of body plans, internal actuation schemes and environments in limbless vertebrates and invertebrates, such organisms often use similar travelling waves of axial body bending for movement. Delineating how parameters (wave amplitudes, frequencies) lead to locomotor performance (e.g. speed, energy, turning capabilities) remains challenging. Here we show that a geometric framework that replaces laborious calculation with a diagrammatic scheme is well suited to discovery and comparison of optima"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.11374","kind":"arxiv","version":3},"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/1906.11374/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:29:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"10q7RT6YuR0aUxQ1u9OKnJer5awJqXrL8/zh5UkZbl8bJeFdmF65sE4qXFknCqmXURcae0Z1g+P8EWGvgxnoBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T08:54:17.646826Z"},"content_sha256":"b96d9fe45e236b72678c45193712df8fde0c9b6dea3b55da9553d0a421fa0c84","schema_version":"1.0","event_id":"sha256:b96d9fe45e236b72678c45193712df8fde0c9b6dea3b55da9553d0a421fa0c84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y5VSUTPN5YHYQSOIMSOAS5KGLZ/bundle.json","state_url":"https://pith.science/pith/Y5VSUTPN5YHYQSOIMSOAS5KGLZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y5VSUTPN5YHYQSOIMSOAS5KGLZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-10T08:54:17Z","links":{"resolver":"https://pith.science/pith/Y5VSUTPN5YHYQSOIMSOAS5KGLZ","bundle":"https://pith.science/pith/Y5VSUTPN5YHYQSOIMSOAS5KGLZ/bundle.json","state":"https://pith.science/pith/Y5VSUTPN5YHYQSOIMSOAS5KGLZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y5VSUTPN5YHYQSOIMSOAS5KGLZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Y5VSUTPN5YHYQSOIMSOAS5KGLZ","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":"fc6af0c8e0e51f3ad22033193f9165ade469c72ad31519adc61328eadc51ce2c","cross_cats_sorted":["physics.data-an"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2019-06-26T22:50:41Z","title_canon_sha256":"f6432d7aa6bb649bdd456a095d300de1f985511e3e6d2c0051dd3e75ebcc002c"},"schema_version":"1.0","source":{"id":"1906.11374","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.11374","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"arxiv_version","alias_value":"1906.11374v3","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.11374","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"pith_short_12","alias_value":"Y5VSUTPN5YHY","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"pith_short_16","alias_value":"Y5VSUTPN5YHYQSOI","created_at":"2026-07-05T07:29:23Z"},{"alias_kind":"pith_short_8","alias_value":"Y5VSUTPN","created_at":"2026-07-05T07:29:23Z"}],"graph_snapshots":[{"event_id":"sha256:b96d9fe45e236b72678c45193712df8fde0c9b6dea3b55da9553d0a421fa0c84","target":"graph","created_at":"2026-07-05T07:29:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1906.11374/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Self-propelling organisms locomote via generation of patterns of self-deformation. Despite the diversity of body plans, internal actuation schemes and environments in limbless vertebrates and invertebrates, such organisms often use similar travelling waves of axial body bending for movement. Delineating how parameters (wave amplitudes, frequencies) lead to locomotor performance (e.g. speed, energy, turning capabilities) remains challenging. Here we show that a geometric framework that replaces laborious calculation with a diagrammatic scheme is well suited to discovery and comparison of optima","authors_text":"Baxi Chong, Chaohui Gong, Christopher Pierce, Daniel I Goldman, Hang Lu, Henry C Astley, Howie Choset, Jennifer M Rieser, Kelimar Diaz, Perrin E Schiebel, Ross L Hatton","cross_cats":["physics.data-an"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2019-06-26T22:50:41Z","title":"Geometric phase predicts locomotion performance in undulating living systems across scales"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.11374","kind":"arxiv","version":3},"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:de27adb6d3c4393158b8a35475235a8c579e71acb2d28c0765bc730157e7caa0","target":"record","created_at":"2026-07-05T07:29:23Z","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":"fc6af0c8e0e51f3ad22033193f9165ade469c72ad31519adc61328eadc51ce2c","cross_cats_sorted":["physics.data-an"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"physics.bio-ph","submitted_at":"2019-06-26T22:50:41Z","title_canon_sha256":"f6432d7aa6bb649bdd456a095d300de1f985511e3e6d2c0051dd3e75ebcc002c"},"schema_version":"1.0","source":{"id":"1906.11374","kind":"arxiv","version":3}},"canonical_sha256":"c76b2a4dedee0f8849c8649c0975465e4350dba758deea44ebe60b1076369587","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c76b2a4dedee0f8849c8649c0975465e4350dba758deea44ebe60b1076369587","first_computed_at":"2026-07-05T07:29:23.920188Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:29:23.920188Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IP4Kv8gqvGdoWh22Jq4xd8NlpE68L0uYYqqvWjAseXOkc7Ty1Rt9hF3Xs5P7WEHFYSKRHWoR2DgPiWDsgmtfBw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:29:23.920650Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.11374","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de27adb6d3c4393158b8a35475235a8c579e71acb2d28c0765bc730157e7caa0","sha256:b96d9fe45e236b72678c45193712df8fde0c9b6dea3b55da9553d0a421fa0c84"],"state_sha256":"9ae9be0baec10fc7ee089360ff365811030b4b758b32aed7d259036136940a9b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Wt17IBdJYmKKHZBrkCZMNIsscVhr2otuGx//DpSbVybmC4Bga9rYRlbW5KAfGY76ptOlV5zezOA9XxoC0VgAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T08:54:17.648714Z","bundle_sha256":"7513672c032231ba7ad4f7e743c1e6aeabbb5eff30a3a0cd8d5e70b6cb3033da"}}