{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VEJEMQEY2PMEC2C5QMA5VHBTAG","short_pith_number":"pith:VEJEMQEY","canonical_record":{"source":{"id":"1412.1224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-12-03T08:06:37Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"bd17911efc21045540f76534b937c2317cac2a84b363822d88f9c4a53f3b1be2","abstract_canon_sha256":"5d0afcee2a847573e6ffcdcf849b835a46f452fb766e08121602e224c1ae4e61"},"schema_version":"1.0"},"canonical_sha256":"a912464098d3d841685d8301da9c33018f122966f1e8645f519289b3c5879e48","source":{"kind":"arxiv","id":"1412.1224","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1224","created_at":"2026-05-18T02:32:13Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1224v1","created_at":"2026-05-18T02:32:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1224","created_at":"2026-05-18T02:32:13Z"},{"alias_kind":"pith_short_12","alias_value":"VEJEMQEY2PME","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VEJEMQEY2PMEC2C5","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VEJEMQEY","created_at":"2026-05-18T12:28:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VEJEMQEY2PMEC2C5QMA5VHBTAG","target":"record","payload":{"canonical_record":{"source":{"id":"1412.1224","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-12-03T08:06:37Z","cross_cats_sorted":["physics.class-ph"],"title_canon_sha256":"bd17911efc21045540f76534b937c2317cac2a84b363822d88f9c4a53f3b1be2","abstract_canon_sha256":"5d0afcee2a847573e6ffcdcf849b835a46f452fb766e08121602e224c1ae4e61"},"schema_version":"1.0"},"canonical_sha256":"a912464098d3d841685d8301da9c33018f122966f1e8645f519289b3c5879e48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:32:13.096581Z","signature_b64":"igEPbvbPKR2aLGvE5qR+uLFQYWf4ltKxfCSRXiqXpt+7/TzputUudke8F4gmKbQiM6F/ZD/5md+4aYm8sU2ACw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a912464098d3d841685d8301da9c33018f122966f1e8645f519289b3c5879e48","last_reissued_at":"2026-05-18T02:32:13.095970Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:32:13.095970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.1224","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":"2026-05-18T02:32:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wm8CKdOmMZvjSYKHxDA3WEFhMWHASRNyikywdXILSkhaBNnCLqq5rNiqnSTEfk8WwTOfV90ug5umKWM5KpasDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:14:16.317910Z"},"content_sha256":"87eee87bd63dc7c4f0d37db15f22722968b3e20ef1591ae62ec3feaf80c9e527","schema_version":"1.0","event_id":"sha256:87eee87bd63dc7c4f0d37db15f22722968b3e20ef1591ae62ec3feaf80c9e527"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VEJEMQEY2PMEC2C5QMA5VHBTAG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A simple Cartesian scheme for compressible multimaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph"],"primary_cat":"math.NA","authors_text":"Angelo Iollo (IMB, Haysam Telib (DIASP), INRIA Bordeaux - Sud-Ouest), Thomas Milcent (I2M), Yannick Gorsse (IMB","submitted_at":"2014-12-03T08:06:37Z","abstract_excerpt":"We present a simple numerical method to simulate the interaction of two non-miscible compressible materials separated by an interface. The media considered may have significantly different physical properties and constitutive laws, describing for example fluids or hyperelastic solids. The model is fully Eulerian and the scheme is the same for all materials. We show stiff numerical illustrations in case of gas--gas, gas--water, gas--elastic solid interactions in the large deformation regime."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1224","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":"2026-05-18T02:32:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wSMdrid+XsQKoUaOQ0qncac+FZR9Fa0rzBLwMvEJ4fvI483V70sPNWs8IvHcOH9lY/jUQ18ORCB94HvsOMgqDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T04:14:16.318258Z"},"content_sha256":"2af3e169e54524fc278d99fc51ff05d846fde64e296d6ccdd964f64c42efd34d","schema_version":"1.0","event_id":"sha256:2af3e169e54524fc278d99fc51ff05d846fde64e296d6ccdd964f64c42efd34d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VEJEMQEY2PMEC2C5QMA5VHBTAG/bundle.json","state_url":"https://pith.science/pith/VEJEMQEY2PMEC2C5QMA5VHBTAG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VEJEMQEY2PMEC2C5QMA5VHBTAG/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":"2026-06-24T04:14:16Z","links":{"resolver":"https://pith.science/pith/VEJEMQEY2PMEC2C5QMA5VHBTAG","bundle":"https://pith.science/pith/VEJEMQEY2PMEC2C5QMA5VHBTAG/bundle.json","state":"https://pith.science/pith/VEJEMQEY2PMEC2C5QMA5VHBTAG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VEJEMQEY2PMEC2C5QMA5VHBTAG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VEJEMQEY2PMEC2C5QMA5VHBTAG","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":"5d0afcee2a847573e6ffcdcf849b835a46f452fb766e08121602e224c1ae4e61","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-12-03T08:06:37Z","title_canon_sha256":"bd17911efc21045540f76534b937c2317cac2a84b363822d88f9c4a53f3b1be2"},"schema_version":"1.0","source":{"id":"1412.1224","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.1224","created_at":"2026-05-18T02:32:13Z"},{"alias_kind":"arxiv_version","alias_value":"1412.1224v1","created_at":"2026-05-18T02:32:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.1224","created_at":"2026-05-18T02:32:13Z"},{"alias_kind":"pith_short_12","alias_value":"VEJEMQEY2PME","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"VEJEMQEY2PMEC2C5","created_at":"2026-05-18T12:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"VEJEMQEY","created_at":"2026-05-18T12:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:2af3e169e54524fc278d99fc51ff05d846fde64e296d6ccdd964f64c42efd34d","target":"graph","created_at":"2026-05-18T02:32:13Z","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 present a simple numerical method to simulate the interaction of two non-miscible compressible materials separated by an interface. The media considered may have significantly different physical properties and constitutive laws, describing for example fluids or hyperelastic solids. The model is fully Eulerian and the scheme is the same for all materials. We show stiff numerical illustrations in case of gas--gas, gas--water, gas--elastic solid interactions in the large deformation regime.","authors_text":"Angelo Iollo (IMB, Haysam Telib (DIASP), INRIA Bordeaux - Sud-Ouest), Thomas Milcent (I2M), Yannick Gorsse (IMB","cross_cats":["physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-12-03T08:06:37Z","title":"A simple Cartesian scheme for compressible multimaterials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.1224","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":"sha256:87eee87bd63dc7c4f0d37db15f22722968b3e20ef1591ae62ec3feaf80c9e527","target":"record","created_at":"2026-05-18T02:32:13Z","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":"5d0afcee2a847573e6ffcdcf849b835a46f452fb766e08121602e224c1ae4e61","cross_cats_sorted":["physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.NA","submitted_at":"2014-12-03T08:06:37Z","title_canon_sha256":"bd17911efc21045540f76534b937c2317cac2a84b363822d88f9c4a53f3b1be2"},"schema_version":"1.0","source":{"id":"1412.1224","kind":"arxiv","version":1}},"canonical_sha256":"a912464098d3d841685d8301da9c33018f122966f1e8645f519289b3c5879e48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a912464098d3d841685d8301da9c33018f122966f1e8645f519289b3c5879e48","first_computed_at":"2026-05-18T02:32:13.095970Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:32:13.095970Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"igEPbvbPKR2aLGvE5qR+uLFQYWf4ltKxfCSRXiqXpt+7/TzputUudke8F4gmKbQiM6F/ZD/5md+4aYm8sU2ACw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:32:13.096581Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.1224","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87eee87bd63dc7c4f0d37db15f22722968b3e20ef1591ae62ec3feaf80c9e527","sha256:2af3e169e54524fc278d99fc51ff05d846fde64e296d6ccdd964f64c42efd34d"],"state_sha256":"6b7ebc516ddf95c95b55da7241c8c1ddc4f87b25d5fea25b11ca0f7288556b6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vc/kaZcyCwoJIsL3j/NE36iieyMR+qfq4NuYb7kwA44CC0f1IynAnDM4vVOGbM+FvfzWoFh391hi4bnIudgQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T04:14:16.320337Z","bundle_sha256":"c356a0d0f7bb5d99d7861764d9e53e03f659c917dfc308074d1745c3e9947f61"}}