{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LBSXRBB5X4IADWC5BZ3SLWEOH2","short_pith_number":"pith:LBSXRBB5","canonical_record":{"source":{"id":"1209.2296","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-09-11T12:14:36Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"a9ca83b6d68caa72db30d517a6b5f9d8629ed3effdaac672b269c4bbf45057f5","abstract_canon_sha256":"9a62d73e2eed5579ed70568349289cae3e1831e2c9616f9fb744c37485a34cfe"},"schema_version":"1.0"},"canonical_sha256":"586578843dbf1001d85d0e7725d88e3e9cf0633e10c3069eb847526620651356","source":{"kind":"arxiv","id":"1209.2296","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.2296","created_at":"2026-05-18T01:54:30Z"},{"alias_kind":"arxiv_version","alias_value":"1209.2296v1","created_at":"2026-05-18T01:54:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.2296","created_at":"2026-05-18T01:54:30Z"},{"alias_kind":"pith_short_12","alias_value":"LBSXRBB5X4IA","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LBSXRBB5X4IADWC5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LBSXRBB5","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LBSXRBB5X4IADWC5BZ3SLWEOH2","target":"record","payload":{"canonical_record":{"source":{"id":"1209.2296","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-09-11T12:14:36Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"a9ca83b6d68caa72db30d517a6b5f9d8629ed3effdaac672b269c4bbf45057f5","abstract_canon_sha256":"9a62d73e2eed5579ed70568349289cae3e1831e2c9616f9fb744c37485a34cfe"},"schema_version":"1.0"},"canonical_sha256":"586578843dbf1001d85d0e7725d88e3e9cf0633e10c3069eb847526620651356","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:30.585826Z","signature_b64":"V+rqAoXO+XBLGvH8W4ARkgkJuEGzvu8i5tYR2erwdAr6/d4/RKHY0S5ribxVlnwjUjIXXGgjNJfgaAnBm7djAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"586578843dbf1001d85d0e7725d88e3e9cf0633e10c3069eb847526620651356","last_reissued_at":"2026-05-18T01:54:30.585181Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:30.585181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.2296","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:54:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h2lEiZlZCERJ/YrE7QGZQiOC9XJViKP6Bp1sShzz8xOzzdU6stzpqkG0YuzSSJsOWXUIxgsY63tCC/akbTJODQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:24:09.275760Z"},"content_sha256":"fc01e8979008de8cd9939def8015972bd169ba5bfaadc038c1b95f0e37d2e4f5","schema_version":"1.0","event_id":"sha256:fc01e8979008de8cd9939def8015972bd169ba5bfaadc038c1b95f0e37d2e4f5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LBSXRBB5X4IADWC5BZ3SLWEOH2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Geometry and violent events in turbulent pair dispersion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.CD"],"primary_cat":"physics.flu-dyn","authors_text":"Holger Homann, Jeremie Bec, Rehab Bitane","submitted_at":"2012-09-11T12:14:36Z","abstract_excerpt":"The statistics of Lagrangian pair dispersion in a homogeneous isotropic flow is investigated by means of direct numerical simulations. The focus is on deviations from Richardson eddy-diffusivity model and in particular on the strong fluctuations experienced by tracers. Evidence is obtained that the distribution of distances attains an almost self-similar regime characterized by a very weak intermittency. The timescale of convergence to this behavior is found to be given by the kinetic energy dissipation time measured at the scale of the initial separation. Conversely the velocity differences b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.2296","kind":"arxiv","version":1},"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":"2026-05-18T01:54:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iUXF/gk4lSUTU3wQrV6bsqZ3XD16+pItwjKdB+bROdIFqwqjXMU6A/SdUlBGupmB3fms9l5lsA/dq6xRiw3cCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:24:09.276457Z"},"content_sha256":"81a70e1d408fbf42b7929f7e88b5b4169e648e62e2e4029bc3de5cd118b40ec2","schema_version":"1.0","event_id":"sha256:81a70e1d408fbf42b7929f7e88b5b4169e648e62e2e4029bc3de5cd118b40ec2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LBSXRBB5X4IADWC5BZ3SLWEOH2/bundle.json","state_url":"https://pith.science/pith/LBSXRBB5X4IADWC5BZ3SLWEOH2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LBSXRBB5X4IADWC5BZ3SLWEOH2/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":"2026-05-26T07:24:09Z","links":{"resolver":"https://pith.science/pith/LBSXRBB5X4IADWC5BZ3SLWEOH2","bundle":"https://pith.science/pith/LBSXRBB5X4IADWC5BZ3SLWEOH2/bundle.json","state":"https://pith.science/pith/LBSXRBB5X4IADWC5BZ3SLWEOH2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LBSXRBB5X4IADWC5BZ3SLWEOH2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LBSXRBB5X4IADWC5BZ3SLWEOH2","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":"9a62d73e2eed5579ed70568349289cae3e1831e2c9616f9fb744c37485a34cfe","cross_cats_sorted":["nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-09-11T12:14:36Z","title_canon_sha256":"a9ca83b6d68caa72db30d517a6b5f9d8629ed3effdaac672b269c4bbf45057f5"},"schema_version":"1.0","source":{"id":"1209.2296","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.2296","created_at":"2026-05-18T01:54:30Z"},{"alias_kind":"arxiv_version","alias_value":"1209.2296v1","created_at":"2026-05-18T01:54:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.2296","created_at":"2026-05-18T01:54:30Z"},{"alias_kind":"pith_short_12","alias_value":"LBSXRBB5X4IA","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LBSXRBB5X4IADWC5","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LBSXRBB5","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:81a70e1d408fbf42b7929f7e88b5b4169e648e62e2e4029bc3de5cd118b40ec2","target":"graph","created_at":"2026-05-18T01:54:30Z","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":"The statistics of Lagrangian pair dispersion in a homogeneous isotropic flow is investigated by means of direct numerical simulations. The focus is on deviations from Richardson eddy-diffusivity model and in particular on the strong fluctuations experienced by tracers. Evidence is obtained that the distribution of distances attains an almost self-similar regime characterized by a very weak intermittency. The timescale of convergence to this behavior is found to be given by the kinetic energy dissipation time measured at the scale of the initial separation. Conversely the velocity differences b","authors_text":"Holger Homann, Jeremie Bec, Rehab Bitane","cross_cats":["nlin.CD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-09-11T12:14:36Z","title":"Geometry and violent events in turbulent pair dispersion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.2296","kind":"arxiv","version":1},"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:fc01e8979008de8cd9939def8015972bd169ba5bfaadc038c1b95f0e37d2e4f5","target":"record","created_at":"2026-05-18T01:54:30Z","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":"9a62d73e2eed5579ed70568349289cae3e1831e2c9616f9fb744c37485a34cfe","cross_cats_sorted":["nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2012-09-11T12:14:36Z","title_canon_sha256":"a9ca83b6d68caa72db30d517a6b5f9d8629ed3effdaac672b269c4bbf45057f5"},"schema_version":"1.0","source":{"id":"1209.2296","kind":"arxiv","version":1}},"canonical_sha256":"586578843dbf1001d85d0e7725d88e3e9cf0633e10c3069eb847526620651356","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"586578843dbf1001d85d0e7725d88e3e9cf0633e10c3069eb847526620651356","first_computed_at":"2026-05-18T01:54:30.585181Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:30.585181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V+rqAoXO+XBLGvH8W4ARkgkJuEGzvu8i5tYR2erwdAr6/d4/RKHY0S5ribxVlnwjUjIXXGgjNJfgaAnBm7djAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:30.585826Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.2296","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc01e8979008de8cd9939def8015972bd169ba5bfaadc038c1b95f0e37d2e4f5","sha256:81a70e1d408fbf42b7929f7e88b5b4169e648e62e2e4029bc3de5cd118b40ec2"],"state_sha256":"9f653b9cf211a613436836a384ad01ba2af28b380fc1f945091ba8b17e81f58a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t8ntmBEsn4NjvBQkwgmnrS6Zi2FaTDve5+WN6K7g0cOEVOl2x55rioMBP8WOJh4flybHjGso3kLutAhizGXcBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:24:09.279955Z","bundle_sha256":"31d7d62bb1448e2829321d25a925bd34ae5d8f09fb9ed2a5223ea9d9456d0fb5"}}