{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:6NLAGLYBBIH45IU6WARDXK5VYZ","short_pith_number":"pith:6NLAGLYB","canonical_record":{"source":{"id":"1404.7072","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-28T17:53:30Z","cross_cats_sorted":[],"title_canon_sha256":"90ae7b76775891d375d47b97f22fd62f9efa0bf22d562be6100fb5b48ca6e69e","abstract_canon_sha256":"ff56248ac76d0aa7a64494247058d3289373bbe513d5469711d1b414a60a26c7"},"schema_version":"1.0"},"canonical_sha256":"f356032f010a0fcea29eb0223babb5c64d043a875667c2eab9ef8f91fff8b6fe","source":{"kind":"arxiv","id":"1404.7072","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.7072","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"arxiv_version","alias_value":"1404.7072v1","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.7072","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"pith_short_12","alias_value":"6NLAGLYBBIH4","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6NLAGLYBBIH45IU6","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6NLAGLYB","created_at":"2026-05-18T12:28:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:6NLAGLYBBIH45IU6WARDXK5VYZ","target":"record","payload":{"canonical_record":{"source":{"id":"1404.7072","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-28T17:53:30Z","cross_cats_sorted":[],"title_canon_sha256":"90ae7b76775891d375d47b97f22fd62f9efa0bf22d562be6100fb5b48ca6e69e","abstract_canon_sha256":"ff56248ac76d0aa7a64494247058d3289373bbe513d5469711d1b414a60a26c7"},"schema_version":"1.0"},"canonical_sha256":"f356032f010a0fcea29eb0223babb5c64d043a875667c2eab9ef8f91fff8b6fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:05.228985Z","signature_b64":"Ydh4VYI2gjFDqujCcEdWTmdB/JMQtTh5UCD1AOkgNGtARS5lohY0y97pH72EEj5yclOLdczWYoox7ihoh/y4AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f356032f010a0fcea29eb0223babb5c64d043a875667c2eab9ef8f91fff8b6fe","last_reissued_at":"2026-05-18T02:53:05.228486Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:05.228486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.7072","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":"2026-05-18T02:53:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FGCdcYkYshBM9QcdnMvATCVFdhxAQhDipoLM2hMU/SdCylVJ5fRI8RD9/fVYJ3zMlwW6zJKm5RI4B5QoUhjhDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T21:34:58.510812Z"},"content_sha256":"9b8d3163f3722a38028de21d620e36551449bab5ca8fd57f3b51aca15c31b42b","schema_version":"1.0","event_id":"sha256:9b8d3163f3722a38028de21d620e36551449bab5ca8fd57f3b51aca15c31b42b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:6NLAGLYBBIH45IU6WARDXK5VYZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Approach to Sub-grid Surface Tension for LES of Two-phase Flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.comp-ph","authors_text":"Andrzej Boguslawski, Artur Tyliszczak, Maciej Marek, Wojciech Aniszewski","submitted_at":"2014-04-28T17:53:30Z","abstract_excerpt":"In two-phase flow, the presence of inter-phasal surface - the interface - causes additional terms to appear in LES formulation. Those terms were ignored in contemporary works, for the lack of model and because the authors expected them to be of negligible influence. However, it has been recently shown by a priori DNS simulations that the negligibility assumption can be challenged. In the present work, a model for one of the sub-grid two-phase specific terms is proposed, using deconvolution of the velocity field and advection of the interface using that field. Using the model, the term can be i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.7072","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":"2026-05-18T02:53:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3850ssxGrGkQ1c6R0sK1cIrvBcuhim/KdUMtWmObEpwSLVyJ1hIjO3DRocwX/8D5axbSnBeL03Q+tG+VuvXHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T21:34:58.511270Z"},"content_sha256":"bb550204be9c1d04551caf546eef49994e096f84b1544bc20e570eb21112e150","schema_version":"1.0","event_id":"sha256:bb550204be9c1d04551caf546eef49994e096f84b1544bc20e570eb21112e150"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6NLAGLYBBIH45IU6WARDXK5VYZ/bundle.json","state_url":"https://pith.science/pith/6NLAGLYBBIH45IU6WARDXK5VYZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6NLAGLYBBIH45IU6WARDXK5VYZ/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":"2026-06-25T21:34:58Z","links":{"resolver":"https://pith.science/pith/6NLAGLYBBIH45IU6WARDXK5VYZ","bundle":"https://pith.science/pith/6NLAGLYBBIH45IU6WARDXK5VYZ/bundle.json","state":"https://pith.science/pith/6NLAGLYBBIH45IU6WARDXK5VYZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6NLAGLYBBIH45IU6WARDXK5VYZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:6NLAGLYBBIH45IU6WARDXK5VYZ","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":"ff56248ac76d0aa7a64494247058d3289373bbe513d5469711d1b414a60a26c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-28T17:53:30Z","title_canon_sha256":"90ae7b76775891d375d47b97f22fd62f9efa0bf22d562be6100fb5b48ca6e69e"},"schema_version":"1.0","source":{"id":"1404.7072","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.7072","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"arxiv_version","alias_value":"1404.7072v1","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.7072","created_at":"2026-05-18T02:53:05Z"},{"alias_kind":"pith_short_12","alias_value":"6NLAGLYBBIH4","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"6NLAGLYBBIH45IU6","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"6NLAGLYB","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:bb550204be9c1d04551caf546eef49994e096f84b1544bc20e570eb21112e150","target":"graph","created_at":"2026-05-18T02:53:05Z","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":"In two-phase flow, the presence of inter-phasal surface - the interface - causes additional terms to appear in LES formulation. Those terms were ignored in contemporary works, for the lack of model and because the authors expected them to be of negligible influence. However, it has been recently shown by a priori DNS simulations that the negligibility assumption can be challenged. In the present work, a model for one of the sub-grid two-phase specific terms is proposed, using deconvolution of the velocity field and advection of the interface using that field. Using the model, the term can be i","authors_text":"Andrzej Boguslawski, Artur Tyliszczak, Maciej Marek, Wojciech Aniszewski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-28T17:53:30Z","title":"A New Approach to Sub-grid Surface Tension for LES of Two-phase Flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.7072","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":"sha256:9b8d3163f3722a38028de21d620e36551449bab5ca8fd57f3b51aca15c31b42b","target":"record","created_at":"2026-05-18T02:53:05Z","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":"ff56248ac76d0aa7a64494247058d3289373bbe513d5469711d1b414a60a26c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2014-04-28T17:53:30Z","title_canon_sha256":"90ae7b76775891d375d47b97f22fd62f9efa0bf22d562be6100fb5b48ca6e69e"},"schema_version":"1.0","source":{"id":"1404.7072","kind":"arxiv","version":1}},"canonical_sha256":"f356032f010a0fcea29eb0223babb5c64d043a875667c2eab9ef8f91fff8b6fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f356032f010a0fcea29eb0223babb5c64d043a875667c2eab9ef8f91fff8b6fe","first_computed_at":"2026-05-18T02:53:05.228486Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:53:05.228486Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ydh4VYI2gjFDqujCcEdWTmdB/JMQtTh5UCD1AOkgNGtARS5lohY0y97pH72EEj5yclOLdczWYoox7ihoh/y4AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:53:05.228985Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.7072","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b8d3163f3722a38028de21d620e36551449bab5ca8fd57f3b51aca15c31b42b","sha256:bb550204be9c1d04551caf546eef49994e096f84b1544bc20e570eb21112e150"],"state_sha256":"62e12d9ea1f63b713ef22dcd7fcbb3fcf5da9c1b421e19fc9fa6e2ee0ff4cb4b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4wwKdQU68XszaQBG6JV4l2FDR9nuOOhozWRgDNT487d0zbVOUoUTzAkRPsUswI3IVGfFIMPgJXOY/Ny5MxcgBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T21:34:58.513855Z","bundle_sha256":"6609e80d2c02ba2625f90b7ec7fdf291aa58e2a38f298cbcbe0ad069a1b3bb27"}}