{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:W6X4UDTBBK2NRGKHDMDX6ZDI5T","short_pith_number":"pith:W6X4UDTB","canonical_record":{"source":{"id":"2506.09821","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-06-11T15:01:35Z","cross_cats_sorted":[],"title_canon_sha256":"31f09428c490a37ea8bb829d07c5a82d5dede028d0a006e968d721a7426c7fc9","abstract_canon_sha256":"e82afe36602533ecb0fb849da5a78d0da33f5b82d028c97c7b12bf78a080a354"},"schema_version":"1.0"},"canonical_sha256":"b7afca0e610ab4d899471b077f6468ecfb46144cbd05d6d3660462e233326036","source":{"kind":"arxiv","id":"2506.09821","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.09821","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"arxiv_version","alias_value":"2506.09821v1","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.09821","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"pith_short_12","alias_value":"W6X4UDTBBK2N","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"pith_short_16","alias_value":"W6X4UDTBBK2NRGKH","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"pith_short_8","alias_value":"W6X4UDTB","created_at":"2026-07-05T11:19:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:W6X4UDTBBK2NRGKHDMDX6ZDI5T","target":"record","payload":{"canonical_record":{"source":{"id":"2506.09821","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-06-11T15:01:35Z","cross_cats_sorted":[],"title_canon_sha256":"31f09428c490a37ea8bb829d07c5a82d5dede028d0a006e968d721a7426c7fc9","abstract_canon_sha256":"e82afe36602533ecb0fb849da5a78d0da33f5b82d028c97c7b12bf78a080a354"},"schema_version":"1.0"},"canonical_sha256":"b7afca0e610ab4d899471b077f6468ecfb46144cbd05d6d3660462e233326036","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:19:57.487374Z","signature_b64":"jeL6uFKkJlO1ah0ioGLutGAaHKcHd73MQZB1BR8bd1BZuYg2883e274xcJhz8lxKLEXVFq6wR8fvvIfMUP7gAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7afca0e610ab4d899471b077f6468ecfb46144cbd05d6d3660462e233326036","last_reissued_at":"2026-07-05T11:19:57.486945Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:19:57.486945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.09821","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":"2026-07-05T11:19:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f3VxO7V4huuJxT/eVG+ZRDf9VndWi+/mz+6eahRLIcmQeTXxcbLdlVnVPLYxVBiXIlcaEpyWqPiUS8EJYwSZCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T21:42:46.357696Z"},"content_sha256":"c65432a330daac9b542d257874b9206b6620a0080c79c9d14dbcf35de7c2ce95","schema_version":"1.0","event_id":"sha256:c65432a330daac9b542d257874b9206b6620a0080c79c9d14dbcf35de7c2ce95"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:W6X4UDTBBK2NRGKHDMDX6ZDI5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Heavy Particle Motion in Rotational Vortices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Alok Kumar, Orr Avni, Yuval Dagan","submitted_at":"2025-06-11T15:01:35Z","abstract_excerpt":"This study examines the motion of spherical inertial particles in a three-dimensional rotating cylindrical vortex - a simplified model of geophysical flow structures such as oceanic eddies. The analytical vortex formulation enables the isolation of the key mechanisms that govern particle transport in rotating flows. Using Lagrangian particle tracking simulations, we investigate the influence of drag, buoyancy, virtual mass, Coriolis, and Magnus lift forces across a range of particle sizes, densities, and vortex rotation rates. Results show that particle aggregation and periodic stability depen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.09821","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.09821/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":"2026-07-05T11:19:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+otw4YhKd2SYpiUbyGELD15vLeO1CKLM1JYN5VB+xLPsJXjao7fQq5h+72Y49+n4VOoqOt6sLm3rAfhDecOxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T21:42:46.358204Z"},"content_sha256":"298fb32baee2eed8c53a315cad9ccb08f2bfd0aa999d5711dfd51ae766d92124","schema_version":"1.0","event_id":"sha256:298fb32baee2eed8c53a315cad9ccb08f2bfd0aa999d5711dfd51ae766d92124"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W6X4UDTBBK2NRGKHDMDX6ZDI5T/bundle.json","state_url":"https://pith.science/pith/W6X4UDTBBK2NRGKHDMDX6ZDI5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W6X4UDTBBK2NRGKHDMDX6ZDI5T/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":"2026-08-13T21:42:46Z","links":{"resolver":"https://pith.science/pith/W6X4UDTBBK2NRGKHDMDX6ZDI5T","bundle":"https://pith.science/pith/W6X4UDTBBK2NRGKHDMDX6ZDI5T/bundle.json","state":"https://pith.science/pith/W6X4UDTBBK2NRGKHDMDX6ZDI5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W6X4UDTBBK2NRGKHDMDX6ZDI5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:W6X4UDTBBK2NRGKHDMDX6ZDI5T","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":"e82afe36602533ecb0fb849da5a78d0da33f5b82d028c97c7b12bf78a080a354","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-06-11T15:01:35Z","title_canon_sha256":"31f09428c490a37ea8bb829d07c5a82d5dede028d0a006e968d721a7426c7fc9"},"schema_version":"1.0","source":{"id":"2506.09821","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.09821","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"arxiv_version","alias_value":"2506.09821v1","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.09821","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"pith_short_12","alias_value":"W6X4UDTBBK2N","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"pith_short_16","alias_value":"W6X4UDTBBK2NRGKH","created_at":"2026-07-05T11:19:57Z"},{"alias_kind":"pith_short_8","alias_value":"W6X4UDTB","created_at":"2026-07-05T11:19:57Z"}],"graph_snapshots":[{"event_id":"sha256:298fb32baee2eed8c53a315cad9ccb08f2bfd0aa999d5711dfd51ae766d92124","target":"graph","created_at":"2026-07-05T11:19:57Z","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/2506.09821/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study examines the motion of spherical inertial particles in a three-dimensional rotating cylindrical vortex - a simplified model of geophysical flow structures such as oceanic eddies. The analytical vortex formulation enables the isolation of the key mechanisms that govern particle transport in rotating flows. Using Lagrangian particle tracking simulations, we investigate the influence of drag, buoyancy, virtual mass, Coriolis, and Magnus lift forces across a range of particle sizes, densities, and vortex rotation rates. Results show that particle aggregation and periodic stability depen","authors_text":"Alok Kumar, Orr Avni, Yuval Dagan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-06-11T15:01:35Z","title":"Heavy Particle Motion in Rotational Vortices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.09821","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:c65432a330daac9b542d257874b9206b6620a0080c79c9d14dbcf35de7c2ce95","target":"record","created_at":"2026-07-05T11:19:57Z","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":"e82afe36602533ecb0fb849da5a78d0da33f5b82d028c97c7b12bf78a080a354","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2025-06-11T15:01:35Z","title_canon_sha256":"31f09428c490a37ea8bb829d07c5a82d5dede028d0a006e968d721a7426c7fc9"},"schema_version":"1.0","source":{"id":"2506.09821","kind":"arxiv","version":1}},"canonical_sha256":"b7afca0e610ab4d899471b077f6468ecfb46144cbd05d6d3660462e233326036","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7afca0e610ab4d899471b077f6468ecfb46144cbd05d6d3660462e233326036","first_computed_at":"2026-07-05T11:19:57.486945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:19:57.486945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jeL6uFKkJlO1ah0ioGLutGAaHKcHd73MQZB1BR8bd1BZuYg2883e274xcJhz8lxKLEXVFq6wR8fvvIfMUP7gAw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:19:57.487374Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.09821","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c65432a330daac9b542d257874b9206b6620a0080c79c9d14dbcf35de7c2ce95","sha256:298fb32baee2eed8c53a315cad9ccb08f2bfd0aa999d5711dfd51ae766d92124"],"state_sha256":"2e9be5b719363c72a8353f712db012dadec9637ad0e5cb8acb00cf313831533b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Blu+sRk2s9H6dKGN2fMpcqxxl6bO2kyEZTCpRe6aOYaoT1sWTBU0eIn0hQPdD6rcEUx7GA77d0YRZ7R1CAlQCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T21:42:46.394230Z","bundle_sha256":"68d78e8545e9a9974b53f286ee1cef64b4b616731bb6fd9c444ea8b72e89a118"}}