{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:FKMZXBUMDXRH4MM3A4QLMPVQTL","short_pith_number":"pith:FKMZXBUM","canonical_record":{"source":{"id":"1011.4688","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-11-21T18:48:13Z","cross_cats_sorted":["cond-mat.soft","physics.flu-dyn"],"title_canon_sha256":"ea61a685cdf72d0a977593beccbcfa5c096571543219bbab2ad7989a77ef349e","abstract_canon_sha256":"c561b01ce1591e9a9b1667e641d2a1eaf1aa0ade563874f9aee670227f74d791"},"schema_version":"1.0"},"canonical_sha256":"2a999b868c1de27e319b0720b63eb09ad9909f3ab0abad174976f1764ed6b270","source":{"kind":"arxiv","id":"1011.4688","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.4688","created_at":"2026-05-18T04:14:38Z"},{"alias_kind":"arxiv_version","alias_value":"1011.4688v2","created_at":"2026-05-18T04:14:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4688","created_at":"2026-05-18T04:14:38Z"},{"alias_kind":"pith_short_12","alias_value":"FKMZXBUMDXRH","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FKMZXBUMDXRH4MM3","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FKMZXBUM","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:FKMZXBUMDXRH4MM3A4QLMPVQTL","target":"record","payload":{"canonical_record":{"source":{"id":"1011.4688","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-11-21T18:48:13Z","cross_cats_sorted":["cond-mat.soft","physics.flu-dyn"],"title_canon_sha256":"ea61a685cdf72d0a977593beccbcfa5c096571543219bbab2ad7989a77ef349e","abstract_canon_sha256":"c561b01ce1591e9a9b1667e641d2a1eaf1aa0ade563874f9aee670227f74d791"},"schema_version":"1.0"},"canonical_sha256":"2a999b868c1de27e319b0720b63eb09ad9909f3ab0abad174976f1764ed6b270","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:14:38.029797Z","signature_b64":"ccus2IL+SHP27ezT8W/UQSWEQA78XgtGiF83A/xpY+8stWJBuDgZXXddWRRq1axjDLAcRbmTPm+qD1OsqH7UAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a999b868c1de27e319b0720b63eb09ad9909f3ab0abad174976f1764ed6b270","last_reissued_at":"2026-05-18T04:14:38.029347Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:14:38.029347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.4688","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:14:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2nIhHX6QrZhgB9G3W1fqhH/9EaT8HPMZQ5dJR6HF0bCPjbgc/tn+mB4f03u4xQdhJLE78L9ZSCNTYYVxawglBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:19:50.800187Z"},"content_sha256":"9fc449a49718ea26f3ac23ef2a023517fa79b01566912e5748357ae8b9a24280","schema_version":"1.0","event_id":"sha256:9fc449a49718ea26f3ac23ef2a023517fa79b01566912e5748357ae8b9a24280"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:FKMZXBUMDXRH4MM3A4QLMPVQTL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rather than resonance, flapping wing flyers may play on aerodynamics to improve performance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft","physics.flu-dyn"],"primary_cat":"physics.bio-ph","authors_text":"Benjamin Thiria, Ramiro Godoy-Diana, Sophie Ramananarivo","submitted_at":"2010-11-21T18:48:13Z","abstract_excerpt":"Saving energy and enhancing performance are secular preoccupations shared by both nature and human beings. In animal locomotion, flapping flyers or swimmers rely on the flexibility of their wings or body to passively increase their efficiency using an appropriate cycle of storing and releasing elastic energy. Despite the convergence of many observations pointing out this feature, the underlying mechanisms explaining how the elastic nature of the wings is related to propulsive efficiency remain unclear. Here we use an experiment with a self-propelled simplified insect model allowing to show how"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4688","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":""},"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":"2026-05-18T04:14:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z7z2i2Yy1YnJg5RoCUmbphsx4SjCbr4AUBvO53ZoNraZen3Mnl8hC0IuSGH8Gu1VWwHHdjbw5gyIT/7QriZwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T11:19:50.800562Z"},"content_sha256":"82b041bfc34c6ea79e495aabce2e864acdd938fc2d8e1704a9f96bd5ad7c44de","schema_version":"1.0","event_id":"sha256:82b041bfc34c6ea79e495aabce2e864acdd938fc2d8e1704a9f96bd5ad7c44de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FKMZXBUMDXRH4MM3A4QLMPVQTL/bundle.json","state_url":"https://pith.science/pith/FKMZXBUMDXRH4MM3A4QLMPVQTL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FKMZXBUMDXRH4MM3A4QLMPVQTL/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":"2026-06-02T11:19:50Z","links":{"resolver":"https://pith.science/pith/FKMZXBUMDXRH4MM3A4QLMPVQTL","bundle":"https://pith.science/pith/FKMZXBUMDXRH4MM3A4QLMPVQTL/bundle.json","state":"https://pith.science/pith/FKMZXBUMDXRH4MM3A4QLMPVQTL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FKMZXBUMDXRH4MM3A4QLMPVQTL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:FKMZXBUMDXRH4MM3A4QLMPVQTL","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":"c561b01ce1591e9a9b1667e641d2a1eaf1aa0ade563874f9aee670227f74d791","cross_cats_sorted":["cond-mat.soft","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-11-21T18:48:13Z","title_canon_sha256":"ea61a685cdf72d0a977593beccbcfa5c096571543219bbab2ad7989a77ef349e"},"schema_version":"1.0","source":{"id":"1011.4688","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.4688","created_at":"2026-05-18T04:14:38Z"},{"alias_kind":"arxiv_version","alias_value":"1011.4688v2","created_at":"2026-05-18T04:14:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4688","created_at":"2026-05-18T04:14:38Z"},{"alias_kind":"pith_short_12","alias_value":"FKMZXBUMDXRH","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"FKMZXBUMDXRH4MM3","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"FKMZXBUM","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:82b041bfc34c6ea79e495aabce2e864acdd938fc2d8e1704a9f96bd5ad7c44de","target":"graph","created_at":"2026-05-18T04:14:38Z","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":"Saving energy and enhancing performance are secular preoccupations shared by both nature and human beings. In animal locomotion, flapping flyers or swimmers rely on the flexibility of their wings or body to passively increase their efficiency using an appropriate cycle of storing and releasing elastic energy. Despite the convergence of many observations pointing out this feature, the underlying mechanisms explaining how the elastic nature of the wings is related to propulsive efficiency remain unclear. Here we use an experiment with a self-propelled simplified insect model allowing to show how","authors_text":"Benjamin Thiria, Ramiro Godoy-Diana, Sophie Ramananarivo","cross_cats":["cond-mat.soft","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-11-21T18:48:13Z","title":"Rather than resonance, flapping wing flyers may play on aerodynamics to improve performance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4688","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":"sha256:9fc449a49718ea26f3ac23ef2a023517fa79b01566912e5748357ae8b9a24280","target":"record","created_at":"2026-05-18T04:14:38Z","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":"c561b01ce1591e9a9b1667e641d2a1eaf1aa0ade563874f9aee670227f74d791","cross_cats_sorted":["cond-mat.soft","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2010-11-21T18:48:13Z","title_canon_sha256":"ea61a685cdf72d0a977593beccbcfa5c096571543219bbab2ad7989a77ef349e"},"schema_version":"1.0","source":{"id":"1011.4688","kind":"arxiv","version":2}},"canonical_sha256":"2a999b868c1de27e319b0720b63eb09ad9909f3ab0abad174976f1764ed6b270","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a999b868c1de27e319b0720b63eb09ad9909f3ab0abad174976f1764ed6b270","first_computed_at":"2026-05-18T04:14:38.029347Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:14:38.029347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ccus2IL+SHP27ezT8W/UQSWEQA78XgtGiF83A/xpY+8stWJBuDgZXXddWRRq1axjDLAcRbmTPm+qD1OsqH7UAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:14:38.029797Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.4688","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9fc449a49718ea26f3ac23ef2a023517fa79b01566912e5748357ae8b9a24280","sha256:82b041bfc34c6ea79e495aabce2e864acdd938fc2d8e1704a9f96bd5ad7c44de"],"state_sha256":"71d2afa4204618a6291c373ea62b7bef45d231417182e54b88736538000d040d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"veTFuJOcdTgbinsb3OO+kQDO+TJgTnKmIbnt8SvzCYV067Ku5E7Mw445gk+KlhPagXsD20WjL7qKckbLf5QQCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T11:19:50.802526Z","bundle_sha256":"b7a9dfba3a2d5b9634f2f69b2d05955436dc2ce9389cf2f75fc9053eec76e571"}}