{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:QWLCX7LBKGRLZJILIIQ6VVWBQX","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":"04bb10c81f8293cc543db4843e4948ee1639e40aef843abc42ccd6cd1d8e2e25","cross_cats_sorted":["cs.NA"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"math.NA","submitted_at":"2024-04-29T03:04:37Z","title_canon_sha256":"94d3e631534be8e69c435a061783ab5114da923d5403282ba55717e42e138e2a"},"schema_version":"1.0","source":{"id":"2404.18390","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.18390","created_at":"2026-07-05T08:13:15Z"},{"alias_kind":"arxiv_version","alias_value":"2404.18390v1","created_at":"2026-07-05T08:13:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.18390","created_at":"2026-07-05T08:13:15Z"},{"alias_kind":"pith_short_12","alias_value":"QWLCX7LBKGRL","created_at":"2026-07-05T08:13:15Z"},{"alias_kind":"pith_short_16","alias_value":"QWLCX7LBKGRLZJIL","created_at":"2026-07-05T08:13:15Z"},{"alias_kind":"pith_short_8","alias_value":"QWLCX7LB","created_at":"2026-07-05T08:13:15Z"}],"graph_snapshots":[{"event_id":"sha256:f9edfed0ceb57b01c869fe6a70399083039375d716905ca6e37394812339cefc","target":"graph","created_at":"2026-07-05T08:13:15Z","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/2404.18390/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Solving Fluid-Structure Interaction (FSI) problems using traditional methods is a big challenge in the field of numerical simulation. As a powerful multi-physical field coupled library, preCICE has a bright application prospect for solving FSI, which supports many open/closed source software and commercial CFD solvers to solve FSI problems in the form of a black box. However, this library currently only supports mesh-based coupling schemes. This paper proposes a critical grid (mesh) as an intermediate medium for the particle method to connect a bidirectional coupling tool named preCICE. The pa","authors_text":"Canqun Yang, Sifan Long, Xiaokang Fan, Xiaowei Guo","cross_cats":["cs.NA"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"math.NA","submitted_at":"2024-04-29T03:04:37Z","title":"Critical grid method: An extensible Smoothed Particle Hydrodynamics fluid general interpolation method for Fluid-Structure Interaction surface coupling based on preCICE"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.18390","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:ff6b8cd0e79e27fffc97c3246f298d0ed07a367bb33d92672b09f74dba146a32","target":"record","created_at":"2026-07-05T08:13:15Z","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":"04bb10c81f8293cc543db4843e4948ee1639e40aef843abc42ccd6cd1d8e2e25","cross_cats_sorted":["cs.NA"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"math.NA","submitted_at":"2024-04-29T03:04:37Z","title_canon_sha256":"94d3e631534be8e69c435a061783ab5114da923d5403282ba55717e42e138e2a"},"schema_version":"1.0","source":{"id":"2404.18390","kind":"arxiv","version":1}},"canonical_sha256":"85962bfd6151a2bca50b4221ead6c185fe96c6b3144ae8a1972db7fe1f36a5fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85962bfd6151a2bca50b4221ead6c185fe96c6b3144ae8a1972db7fe1f36a5fc","first_computed_at":"2026-07-05T08:13:15.467573Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:13:15.467573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"71Q8PHQu1RILc8CipP2QndOaVPAMDGZQUDr1rPDdwnLs+sX9xsPX0tSFU/1mHY+eH4sj+lSBYvo6Pzg6Oq95Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:13:15.467997Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.18390","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ff6b8cd0e79e27fffc97c3246f298d0ed07a367bb33d92672b09f74dba146a32","sha256:f9edfed0ceb57b01c869fe6a70399083039375d716905ca6e37394812339cefc"],"state_sha256":"72241b658f47e403768d5b77fcc154382fb648e987a4d5280f184aa7da0c9910"}