{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:35B3SQHWKRTWVZASLU62PSMESF","short_pith_number":"pith:35B3SQHW","canonical_record":{"source":{"id":"2108.07196","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-08-16T16:06:10Z","cross_cats_sorted":[],"title_canon_sha256":"88a69b5b0022d3400ce715758df6f05f59819d76aedb884984e428514bd8fa2c","abstract_canon_sha256":"9cb57f51903d42fff1cab6bde6d88adf0fd86d1b201c46339cef5d376cd8ac32"},"schema_version":"1.0"},"canonical_sha256":"df43b940f654676ae4125d3da7c9849171451df96cb9d40cb21f95407ab62041","source":{"kind":"arxiv","id":"2108.07196","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.07196","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"arxiv_version","alias_value":"2108.07196v1","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.07196","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"pith_short_12","alias_value":"35B3SQHWKRTW","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"pith_short_16","alias_value":"35B3SQHWKRTWVZAS","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"pith_short_8","alias_value":"35B3SQHW","created_at":"2026-07-05T03:06:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:35B3SQHWKRTWVZASLU62PSMESF","target":"record","payload":{"canonical_record":{"source":{"id":"2108.07196","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-08-16T16:06:10Z","cross_cats_sorted":[],"title_canon_sha256":"88a69b5b0022d3400ce715758df6f05f59819d76aedb884984e428514bd8fa2c","abstract_canon_sha256":"9cb57f51903d42fff1cab6bde6d88adf0fd86d1b201c46339cef5d376cd8ac32"},"schema_version":"1.0"},"canonical_sha256":"df43b940f654676ae4125d3da7c9849171451df96cb9d40cb21f95407ab62041","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:06:02.324688Z","signature_b64":"6GtUuEY345ZzsatfXqPWl6Ia/aMZzLvT5kvxF2wjks/Oti0ctgvwjNZu5UnEksB2HqNtKf9Exhgf197hUKUfBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df43b940f654676ae4125d3da7c9849171451df96cb9d40cb21f95407ab62041","last_reissued_at":"2026-07-05T03:06:02.324290Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:06:02.324290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2108.07196","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":"2026-07-05T03:06:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d6LV6O9XXkkG4jxY+j1VJC/zXxKmIaJLVzd3JuarVeVt74s8iNIGD5GCupFBb12WHiHhooDVYSSkt1yyK4DvDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T06:54:11.943481Z"},"content_sha256":"e77da1d3dd52db567de72b9fbee009f9f35bf90a8e53b717a62d768d06dc77a1","schema_version":"1.0","event_id":"sha256:e77da1d3dd52db567de72b9fbee009f9f35bf90a8e53b717a62d768d06dc77a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:35B3SQHWKRTWVZASLU62PSMESF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Drag and lift forces on a rigid sphere immersed in a wall-bounded linear shear flow","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Dirk Lucas, Jacques Magnaudet, Pengyu Shi, Roland Rzehak","submitted_at":"2021-08-16T16:06:10Z","abstract_excerpt":"We report on a series of fully resolved simulations of the flow around a rigid sphere translating steadily near a wall, either in a fluid at rest or in the presence of a uniform shear. Non-rotating and freely rotating spheres subject to a torque-free condition are both considered to evaluate the importance of spin-induced effects. The separation distance between the sphere and wall is varied from values at which the wall influence is weak down to gaps of half the sphere radius. The Reynolds number based on the sphere diameter and relative velocity with respect to the ambient fluid spans the ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.07196","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/2108.07196/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":"2026-07-05T03:06:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2fUoHI++28dsBMKCq1O2U3s8XPcsmb/hwAjHd8UidXuX9ihdmcio4Oh5OEJ46JJcTpU0R8Cm6U7KIYUJ++2CBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T06:54:11.944350Z"},"content_sha256":"cd52e8b09d68aba9353bcf3d3bfc77839364adbddf419599c3b0668b96597d43","schema_version":"1.0","event_id":"sha256:cd52e8b09d68aba9353bcf3d3bfc77839364adbddf419599c3b0668b96597d43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/35B3SQHWKRTWVZASLU62PSMESF/bundle.json","state_url":"https://pith.science/pith/35B3SQHWKRTWVZASLU62PSMESF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/35B3SQHWKRTWVZASLU62PSMESF/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":"2026-08-19T06:54:11Z","links":{"resolver":"https://pith.science/pith/35B3SQHWKRTWVZASLU62PSMESF","bundle":"https://pith.science/pith/35B3SQHWKRTWVZASLU62PSMESF/bundle.json","state":"https://pith.science/pith/35B3SQHWKRTWVZASLU62PSMESF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/35B3SQHWKRTWVZASLU62PSMESF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:35B3SQHWKRTWVZASLU62PSMESF","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":"9cb57f51903d42fff1cab6bde6d88adf0fd86d1b201c46339cef5d376cd8ac32","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-08-16T16:06:10Z","title_canon_sha256":"88a69b5b0022d3400ce715758df6f05f59819d76aedb884984e428514bd8fa2c"},"schema_version":"1.0","source":{"id":"2108.07196","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2108.07196","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"arxiv_version","alias_value":"2108.07196v1","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2108.07196","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"pith_short_12","alias_value":"35B3SQHWKRTW","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"pith_short_16","alias_value":"35B3SQHWKRTWVZAS","created_at":"2026-07-05T03:06:02Z"},{"alias_kind":"pith_short_8","alias_value":"35B3SQHW","created_at":"2026-07-05T03:06:02Z"}],"graph_snapshots":[{"event_id":"sha256:cd52e8b09d68aba9353bcf3d3bfc77839364adbddf419599c3b0668b96597d43","target":"graph","created_at":"2026-07-05T03:06:02Z","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/2108.07196/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on a series of fully resolved simulations of the flow around a rigid sphere translating steadily near a wall, either in a fluid at rest or in the presence of a uniform shear. Non-rotating and freely rotating spheres subject to a torque-free condition are both considered to evaluate the importance of spin-induced effects. The separation distance between the sphere and wall is varied from values at which the wall influence is weak down to gaps of half the sphere radius. The Reynolds number based on the sphere diameter and relative velocity with respect to the ambient fluid spans the ra","authors_text":"Dirk Lucas, Jacques Magnaudet, Pengyu Shi, Roland Rzehak","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-08-16T16:06:10Z","title":"Drag and lift forces on a rigid sphere immersed in a wall-bounded linear shear flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2108.07196","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:e77da1d3dd52db567de72b9fbee009f9f35bf90a8e53b717a62d768d06dc77a1","target":"record","created_at":"2026-07-05T03:06:02Z","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":"9cb57f51903d42fff1cab6bde6d88adf0fd86d1b201c46339cef5d376cd8ac32","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-08-16T16:06:10Z","title_canon_sha256":"88a69b5b0022d3400ce715758df6f05f59819d76aedb884984e428514bd8fa2c"},"schema_version":"1.0","source":{"id":"2108.07196","kind":"arxiv","version":1}},"canonical_sha256":"df43b940f654676ae4125d3da7c9849171451df96cb9d40cb21f95407ab62041","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df43b940f654676ae4125d3da7c9849171451df96cb9d40cb21f95407ab62041","first_computed_at":"2026-07-05T03:06:02.324290Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:06:02.324290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6GtUuEY345ZzsatfXqPWl6Ia/aMZzLvT5kvxF2wjks/Oti0ctgvwjNZu5UnEksB2HqNtKf9Exhgf197hUKUfBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:06:02.324688Z","signed_message":"canonical_sha256_bytes"},"source_id":"2108.07196","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e77da1d3dd52db567de72b9fbee009f9f35bf90a8e53b717a62d768d06dc77a1","sha256:cd52e8b09d68aba9353bcf3d3bfc77839364adbddf419599c3b0668b96597d43"],"state_sha256":"cab9f8961f97b6236bf483525185fb859eeddec27fc1c83aaa955eb423c84421"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gr2OVaj8X6/1GQ9F12hQZ16bwFTM/3HjR/r1vv8kic1VxNx+bQ4ri+oKFA79L8dBfko9EwfxjrREmNzO8V5jBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T06:54:11.951341Z","bundle_sha256":"e5faff1d6f80c22b3c257c6d5249bf45004c388569a1239221044b2e85bc76b5"}}