{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:MTSN46BQ4IPZRDZP2D4IRZGA2A","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":"69ab2cde64386c3b689932aca44809e2f41da3dff967febf47ce35ebd112e288","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-08-23T18:00:01Z","title_canon_sha256":"49f562074dfd5123d1499b2bc5c6981003dbdd234f8e17c655940ec53e75d524"},"schema_version":"1.0","source":{"id":"2208.11131","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.11131","created_at":"2026-07-05T06:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"2208.11131v2","created_at":"2026-07-05T06:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.11131","created_at":"2026-07-05T06:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"MTSN46BQ4IPZ","created_at":"2026-07-05T06:06:54Z"},{"alias_kind":"pith_short_16","alias_value":"MTSN46BQ4IPZRDZP","created_at":"2026-07-05T06:06:54Z"},{"alias_kind":"pith_short_8","alias_value":"MTSN46BQ","created_at":"2026-07-05T06:06:54Z"}],"graph_snapshots":[{"event_id":"sha256:28ae03af388e8a657f07f900eac69b16ce50f234c202136d9c2a2130d1095db0","target":"graph","created_at":"2026-07-05T06:06:54Z","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/2208.11131/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hydrodynamical numerical methods that converge with high-order hold particular promise for astrophysical studies, as they can in principle reach prescribed accuracy goals with higher computational efficiency than standard second- or third-order approaches. Here we consider the performance and accuracy benefits of Discontinuous Galerkin (DG) methods, which offer a particularly straightforward approach to reach extremely high order. Also, their computational stencil maps well to modern GPU devices, further raising the attractiveness of this approach. However, a traditional weakness of this metho","authors_text":"Miha Cernetic, R\\\"udiger Pakmor, Thomas Guillet, Volker Springel","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-08-23T18:00:01Z","title":"High-order Discontinuous Galerkin hydrodynamics with sub-cell shock capturing on GPUs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.11131","kind":"arxiv","version":2},"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":"sha256:451c6b06916de89b37a8a4851943ab0e587f90a584aeff695e636742fc59f956","target":"record","created_at":"2026-07-05T06:06:54Z","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":"69ab2cde64386c3b689932aca44809e2f41da3dff967febf47ce35ebd112e288","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2022-08-23T18:00:01Z","title_canon_sha256":"49f562074dfd5123d1499b2bc5c6981003dbdd234f8e17c655940ec53e75d524"},"schema_version":"1.0","source":{"id":"2208.11131","kind":"arxiv","version":2}},"canonical_sha256":"64e4de7830e21f988f2fd0f888e4c0d01233b7178dba6a533b888acee9d0843a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64e4de7830e21f988f2fd0f888e4c0d01233b7178dba6a533b888acee9d0843a","first_computed_at":"2026-07-05T06:06:54.207409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:06:54.207409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jbzsMYuAbQpuyw8oNa2NKZMbxKv5SWSc1hJlbFJfO3VJVzK6NvBHYYAp+klPRAztph+axLav/Ydnu5wCOG6JBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:06:54.207772Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.11131","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:451c6b06916de89b37a8a4851943ab0e587f90a584aeff695e636742fc59f956","sha256:28ae03af388e8a657f07f900eac69b16ce50f234c202136d9c2a2130d1095db0"],"state_sha256":"78d32e38f411f971579f95422ba6e641f8bb9de128b43dd7450ba7e0329492f8"}