{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IGMJPM6PQZN4YQV5KFE4EJOCPG","short_pith_number":"pith:IGMJPM6P","canonical_record":{"source":{"id":"1704.04260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-13T19:23:51Z","cross_cats_sorted":[],"title_canon_sha256":"ed96bf43425077b48311953386707f48c752b89489fefc53d27b53e98e75512f","abstract_canon_sha256":"24589789084ccb31802969dd30eb4df39a05af5588c6f543f669eda80c84dde4"},"schema_version":"1.0"},"canonical_sha256":"419897b3cf865bcc42bd5149c225c279a683f84fa67d4f18c44f1e548034b745","source":{"kind":"arxiv","id":"1704.04260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.04260","created_at":"2026-05-18T00:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"1704.04260v1","created_at":"2026-05-18T00:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04260","created_at":"2026-05-18T00:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"IGMJPM6PQZN4","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IGMJPM6PQZN4YQV5","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IGMJPM6P","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IGMJPM6PQZN4YQV5KFE4EJOCPG","target":"record","payload":{"canonical_record":{"source":{"id":"1704.04260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-13T19:23:51Z","cross_cats_sorted":[],"title_canon_sha256":"ed96bf43425077b48311953386707f48c752b89489fefc53d27b53e98e75512f","abstract_canon_sha256":"24589789084ccb31802969dd30eb4df39a05af5588c6f543f669eda80c84dde4"},"schema_version":"1.0"},"canonical_sha256":"419897b3cf865bcc42bd5149c225c279a683f84fa67d4f18c44f1e548034b745","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:55.514456Z","signature_b64":"K1KhLnoBJjyqEsunA5oBWFjJzY5qymvf9FLC02zcAEYynvSzWImTlIe7VBCuGPSlCV7TnND17SqFlWDQjEJiAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"419897b3cf865bcc42bd5149c225c279a683f84fa67d4f18c44f1e548034b745","last_reissued_at":"2026-05-18T00:38:55.513853Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:55.513853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.04260","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":"2026-05-18T00:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZxYbRqh6xsVNqyjbSpe2lqfR7Sy9joTwYafqitPj1DmbPrWuVlO2od/wbGuW5uG+tOjGtkhugSlIIv/G4MkqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:11:43.645834Z"},"content_sha256":"f3977b216d652c4144d05d6b7d7b0041fcdcec94a5ac1af4d5cd6a412797c38d","schema_version":"1.0","event_id":"sha256:f3977b216d652c4144d05d6b7d7b0041fcdcec94a5ac1af4d5cd6a412797c38d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IGMJPM6PQZN4YQV5KFE4EJOCPG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Consistent Multi-Resolution Smoothed Particle Hydrodynamics Method","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Dan Negrut, Haiyan Hu, Milad Rakhsha, Qiang Tian, Wei Hu, Wenxiao Pan","submitted_at":"2017-04-13T19:23:51Z","abstract_excerpt":"We seek to accelerate and increase the size of simulations for fluid-structure interactions (FSI) by using multiple resolutions in the spatial discretization of the equations governing the time evolution of systems displaying two-way fluid-solid coupling. To this end, we propose a multi-resolution smoothed particle hydrodynamics (SPH) approach in which subdomains of different resolutions are directly coupled without any overlap region. The second-order consistent discretization of spatial differential operators is employed to ensure the accuracy of the proposed method. As SPH particles advect "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04260","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":"2026-05-18T00:38:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JZooyCPQnW9Cu+fA5eq6YAOp1kBwUK5BQO3Ai2edDPMWeF5ArbMJW57kmmWzvWZ2MsrLg80uv7l2e/qTwntuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:11:43.646195Z"},"content_sha256":"21b9524bc5a5d39d0a256d17f3a220ea6a842d131a9e21e1613d77d7c930728a","schema_version":"1.0","event_id":"sha256:21b9524bc5a5d39d0a256d17f3a220ea6a842d131a9e21e1613d77d7c930728a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IGMJPM6PQZN4YQV5KFE4EJOCPG/bundle.json","state_url":"https://pith.science/pith/IGMJPM6PQZN4YQV5KFE4EJOCPG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IGMJPM6PQZN4YQV5KFE4EJOCPG/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":"2026-05-26T17:11:43Z","links":{"resolver":"https://pith.science/pith/IGMJPM6PQZN4YQV5KFE4EJOCPG","bundle":"https://pith.science/pith/IGMJPM6PQZN4YQV5KFE4EJOCPG/bundle.json","state":"https://pith.science/pith/IGMJPM6PQZN4YQV5KFE4EJOCPG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IGMJPM6PQZN4YQV5KFE4EJOCPG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IGMJPM6PQZN4YQV5KFE4EJOCPG","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":"24589789084ccb31802969dd30eb4df39a05af5588c6f543f669eda80c84dde4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-13T19:23:51Z","title_canon_sha256":"ed96bf43425077b48311953386707f48c752b89489fefc53d27b53e98e75512f"},"schema_version":"1.0","source":{"id":"1704.04260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.04260","created_at":"2026-05-18T00:38:55Z"},{"alias_kind":"arxiv_version","alias_value":"1704.04260v1","created_at":"2026-05-18T00:38:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.04260","created_at":"2026-05-18T00:38:55Z"},{"alias_kind":"pith_short_12","alias_value":"IGMJPM6PQZN4","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IGMJPM6PQZN4YQV5","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IGMJPM6P","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:21b9524bc5a5d39d0a256d17f3a220ea6a842d131a9e21e1613d77d7c930728a","target":"graph","created_at":"2026-05-18T00:38:55Z","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":"We seek to accelerate and increase the size of simulations for fluid-structure interactions (FSI) by using multiple resolutions in the spatial discretization of the equations governing the time evolution of systems displaying two-way fluid-solid coupling. To this end, we propose a multi-resolution smoothed particle hydrodynamics (SPH) approach in which subdomains of different resolutions are directly coupled without any overlap region. The second-order consistent discretization of spatial differential operators is employed to ensure the accuracy of the proposed method. As SPH particles advect ","authors_text":"Dan Negrut, Haiyan Hu, Milad Rakhsha, Qiang Tian, Wei Hu, Wenxiao Pan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-13T19:23:51Z","title":"A Consistent Multi-Resolution Smoothed Particle Hydrodynamics Method"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.04260","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:f3977b216d652c4144d05d6b7d7b0041fcdcec94a5ac1af4d5cd6a412797c38d","target":"record","created_at":"2026-05-18T00:38:55Z","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":"24589789084ccb31802969dd30eb4df39a05af5588c6f543f669eda80c84dde4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-04-13T19:23:51Z","title_canon_sha256":"ed96bf43425077b48311953386707f48c752b89489fefc53d27b53e98e75512f"},"schema_version":"1.0","source":{"id":"1704.04260","kind":"arxiv","version":1}},"canonical_sha256":"419897b3cf865bcc42bd5149c225c279a683f84fa67d4f18c44f1e548034b745","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"419897b3cf865bcc42bd5149c225c279a683f84fa67d4f18c44f1e548034b745","first_computed_at":"2026-05-18T00:38:55.513853Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:55.513853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"K1KhLnoBJjyqEsunA5oBWFjJzY5qymvf9FLC02zcAEYynvSzWImTlIe7VBCuGPSlCV7TnND17SqFlWDQjEJiAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:55.514456Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.04260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3977b216d652c4144d05d6b7d7b0041fcdcec94a5ac1af4d5cd6a412797c38d","sha256:21b9524bc5a5d39d0a256d17f3a220ea6a842d131a9e21e1613d77d7c930728a"],"state_sha256":"1eac3fc6db637c9d09b741d7cce64bac6fb214cc21e769a2b0dee9d2dfc99dec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"83HMWpY1lR3rGPYOs93rDtqzIdBg5AM6I33VtCD6chODVPUxl7b+PyYUHb0rwlNcrsjrGXfQf8L53YoOH4hRBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:11:43.648497Z","bundle_sha256":"68aa848225707dd26b7ed998a6ec8f69ac0677da25418fa9ae640463e4339579"}}