{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:5MGFGJ4RDFHDYTGNL4JKJHXZI2","short_pith_number":"pith:5MGFGJ4R","canonical_record":{"source":{"id":"1601.01438","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-01-07T08:10:01Z","cross_cats_sorted":[],"title_canon_sha256":"c2bcdc7cb65efe46cf7b8e2cacb0e5035d4c3681df780700f1b0d677f9eb1db3","abstract_canon_sha256":"569c9e19d5124efbbd14e3006ac51c009b52a1aa6da86d34872d3359d7ce4273"},"schema_version":"1.0"},"canonical_sha256":"eb0c532791194e3c4ccd5f12a49ef946a5cfe6a43bb345edd52b5141e0ebdc0a","source":{"kind":"arxiv","id":"1601.01438","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01438","created_at":"2026-05-18T01:16:20Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01438v2","created_at":"2026-05-18T01:16:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01438","created_at":"2026-05-18T01:16:20Z"},{"alias_kind":"pith_short_12","alias_value":"5MGFGJ4RDFHD","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5MGFGJ4RDFHDYTGN","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5MGFGJ4R","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:5MGFGJ4RDFHDYTGNL4JKJHXZI2","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01438","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-01-07T08:10:01Z","cross_cats_sorted":[],"title_canon_sha256":"c2bcdc7cb65efe46cf7b8e2cacb0e5035d4c3681df780700f1b0d677f9eb1db3","abstract_canon_sha256":"569c9e19d5124efbbd14e3006ac51c009b52a1aa6da86d34872d3359d7ce4273"},"schema_version":"1.0"},"canonical_sha256":"eb0c532791194e3c4ccd5f12a49ef946a5cfe6a43bb345edd52b5141e0ebdc0a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:20.087703Z","signature_b64":"mZQruzRVQnhkoD4CUCA5IvQyL9bD+/ZhHUj4M5yJLIDCJ27AucshA3zhrAPAPZpdFqx2jCdKrROfu1Q1e8t+AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eb0c532791194e3c4ccd5f12a49ef946a5cfe6a43bb345edd52b5141e0ebdc0a","last_reissued_at":"2026-05-18T01:16:20.087166Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:20.087166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01438","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":"2026-05-18T01:16:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0JxR8mYYYVS/RdBApGA7z06ZjfBsXiCnMr82d/1atPGtpVT/PVpzI6SUHM2jFLqiXxB5ft5BUaMbreWx/R8lAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:46:54.798803Z"},"content_sha256":"29621a19b8b9bcfff7774da5d6d504a6b0f36c6023c25c088d30b5fa6349cb5f","schema_version":"1.0","event_id":"sha256:29621a19b8b9bcfff7774da5d6d504a6b0f36c6023c25c088d30b5fa6349cb5f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:5MGFGJ4RDFHDYTGNL4JKJHXZI2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Lagrangian model of copepod dynamics: Clustering by escape jumps in turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Enrico Calzavarini, Federico Toschi, Fran\\c{c}ois G. Schmitt, Hamidreza Ardeshiri, Ibtissem Benkeddad, Sami Souissi","submitted_at":"2016-01-07T08:10:01Z","abstract_excerpt":"Planktonic copepods are small crustaceans that have the ability to swim by quick powerful jumps. Such an aptness is used to escape from high shear regions, which may be caused either by flow per- turbations, produced by a large predator (i.e., fish larvae), or by the inherent highly turbulent dynamics of the ocean. Through a combined experimental and numerical study, we investigate the impact of jumping behaviour on the small-scale patchiness of copepods in a turbulent environment. Recorded velocity tracks of copepods displaying escape response jumps in still water are here used to define and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01438","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":"2026-05-18T01:16:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g79owAdmbHXbHsF6QmhTQVc9EHnQa3m5WzM5yLMI/FABFT9alfbjgDjL2//vKFLFe7a0TrSVgQnugqIR0WSlAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:46:54.799286Z"},"content_sha256":"794321308b0f011f692ea4373d4d74df0ac3920d74fffb951754b9d1a4e3eddb","schema_version":"1.0","event_id":"sha256:794321308b0f011f692ea4373d4d74df0ac3920d74fffb951754b9d1a4e3eddb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5MGFGJ4RDFHDYTGNL4JKJHXZI2/bundle.json","state_url":"https://pith.science/pith/5MGFGJ4RDFHDYTGNL4JKJHXZI2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5MGFGJ4RDFHDYTGNL4JKJHXZI2/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":"2026-06-04T02:46:54Z","links":{"resolver":"https://pith.science/pith/5MGFGJ4RDFHDYTGNL4JKJHXZI2","bundle":"https://pith.science/pith/5MGFGJ4RDFHDYTGNL4JKJHXZI2/bundle.json","state":"https://pith.science/pith/5MGFGJ4RDFHDYTGNL4JKJHXZI2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5MGFGJ4RDFHDYTGNL4JKJHXZI2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:5MGFGJ4RDFHDYTGNL4JKJHXZI2","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":"569c9e19d5124efbbd14e3006ac51c009b52a1aa6da86d34872d3359d7ce4273","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-01-07T08:10:01Z","title_canon_sha256":"c2bcdc7cb65efe46cf7b8e2cacb0e5035d4c3681df780700f1b0d677f9eb1db3"},"schema_version":"1.0","source":{"id":"1601.01438","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01438","created_at":"2026-05-18T01:16:20Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01438v2","created_at":"2026-05-18T01:16:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01438","created_at":"2026-05-18T01:16:20Z"},{"alias_kind":"pith_short_12","alias_value":"5MGFGJ4RDFHD","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"5MGFGJ4RDFHDYTGN","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"5MGFGJ4R","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:794321308b0f011f692ea4373d4d74df0ac3920d74fffb951754b9d1a4e3eddb","target":"graph","created_at":"2026-05-18T01:16:20Z","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":"Planktonic copepods are small crustaceans that have the ability to swim by quick powerful jumps. Such an aptness is used to escape from high shear regions, which may be caused either by flow per- turbations, produced by a large predator (i.e., fish larvae), or by the inherent highly turbulent dynamics of the ocean. Through a combined experimental and numerical study, we investigate the impact of jumping behaviour on the small-scale patchiness of copepods in a turbulent environment. Recorded velocity tracks of copepods displaying escape response jumps in still water are here used to define and ","authors_text":"Enrico Calzavarini, Federico Toschi, Fran\\c{c}ois G. Schmitt, Hamidreza Ardeshiri, Ibtissem Benkeddad, Sami Souissi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-01-07T08:10:01Z","title":"A Lagrangian model of copepod dynamics: Clustering by escape jumps in turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01438","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":"sha256:29621a19b8b9bcfff7774da5d6d504a6b0f36c6023c25c088d30b5fa6349cb5f","target":"record","created_at":"2026-05-18T01:16:20Z","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":"569c9e19d5124efbbd14e3006ac51c009b52a1aa6da86d34872d3359d7ce4273","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-01-07T08:10:01Z","title_canon_sha256":"c2bcdc7cb65efe46cf7b8e2cacb0e5035d4c3681df780700f1b0d677f9eb1db3"},"schema_version":"1.0","source":{"id":"1601.01438","kind":"arxiv","version":2}},"canonical_sha256":"eb0c532791194e3c4ccd5f12a49ef946a5cfe6a43bb345edd52b5141e0ebdc0a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eb0c532791194e3c4ccd5f12a49ef946a5cfe6a43bb345edd52b5141e0ebdc0a","first_computed_at":"2026-05-18T01:16:20.087166Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:20.087166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mZQruzRVQnhkoD4CUCA5IvQyL9bD+/ZhHUj4M5yJLIDCJ27AucshA3zhrAPAPZpdFqx2jCdKrROfu1Q1e8t+AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:20.087703Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01438","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29621a19b8b9bcfff7774da5d6d504a6b0f36c6023c25c088d30b5fa6349cb5f","sha256:794321308b0f011f692ea4373d4d74df0ac3920d74fffb951754b9d1a4e3eddb"],"state_sha256":"d801088c22dbafc5351bf89326d0a4ea3a14f57e17bc3bec8b3038841d18439f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HCgXmIFbxw18GmLxkiV9ZZGeWJ3LXzJixJFE0PhFNM2IPY4QIESMAWdlU5/ACi8XD4eIreQSgtokLCkMtNS/Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T02:46:54.801735Z","bundle_sha256":"793a516861a5efb01f71a5bf51f28203153963a4d3cc8b9be5bcd0a0bbb6354c"}}