{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LE4GOR2UHC73ZDRLONLEIDMRIW","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":"3a8121fa15bd66543b5ea2eada60a9661d7d7bb42b1bd07264b153da95565a8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-25T19:30:31Z","title_canon_sha256":"fa2b33edd322345bf03885a46f4a6bbdb45ca5d9eedf99187a5a1c29893500b3"},"schema_version":"1.0","source":{"id":"1404.6510","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.6510","created_at":"2026-05-18T02:52:47Z"},{"alias_kind":"arxiv_version","alias_value":"1404.6510v2","created_at":"2026-05-18T02:52:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.6510","created_at":"2026-05-18T02:52:47Z"},{"alias_kind":"pith_short_12","alias_value":"LE4GOR2UHC73","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LE4GOR2UHC73ZDRL","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LE4GOR2U","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:a47ef1b1524d4e9f5c3b1011770f1595b0df4ee3b38b23e5ce49623eff4409af","target":"graph","created_at":"2026-05-18T02:52:47Z","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":"This note discusses the initial and boundary conditions as well as the size of the computational domain for the double Mach reflection problem when set up as a test for the resolution of an Euler scheme for gas dynamics.","authors_text":"Friedemann Kemm","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-25T19:30:31Z","title":"On the Proper Setup of the Double Mach Reflection as a Test Case for the Resolution of Gas Dynamics Codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.6510","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:ab34ed37e8b1a690f9d8964a3e876da232fc812ab337584be9082d7ff1b6bea5","target":"record","created_at":"2026-05-18T02:52:47Z","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":"3a8121fa15bd66543b5ea2eada60a9661d7d7bb42b1bd07264b153da95565a8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-25T19:30:31Z","title_canon_sha256":"fa2b33edd322345bf03885a46f4a6bbdb45ca5d9eedf99187a5a1c29893500b3"},"schema_version":"1.0","source":{"id":"1404.6510","kind":"arxiv","version":2}},"canonical_sha256":"593867475438bfbc8e2b7356440d914580abca5ba5999474e9b7ac649f6d7acb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"593867475438bfbc8e2b7356440d914580abca5ba5999474e9b7ac649f6d7acb","first_computed_at":"2026-05-18T02:52:47.776224Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:52:47.776224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yt7QZbeKYYRdb7jFv4AKfUAyFUovl5UULTA2vwvrBOwTKXhP3PlQQh1G0RdcGsUHWgZklF3VLU/sRh/BIKAwDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:52:47.776691Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.6510","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab34ed37e8b1a690f9d8964a3e876da232fc812ab337584be9082d7ff1b6bea5","sha256:a47ef1b1524d4e9f5c3b1011770f1595b0df4ee3b38b23e5ce49623eff4409af"],"state_sha256":"b7c38fc15789358558cc826cd001876425e29e5ef7615cb4eb5352ebcc672a93"}