{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:UKJTAKSI4253IMLFN65XTECQW6","short_pith_number":"pith:UKJTAKSI","canonical_record":{"source":{"id":"1703.00858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-03-02T17:16:12Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"title_canon_sha256":"0071e23c86aae985152f30f560b8630e01b5322ee882d1bd647e385b8d8b91e7","abstract_canon_sha256":"5ab878628e633e28ccf7106c8d27f30a77da70305f8d9deba778f319bb35785b"},"schema_version":"1.0"},"canonical_sha256":"a293302a48e6bbb431656fbb799050b793be17b2ee4005d55d3deac04d2b1112","source":{"kind":"arxiv","id":"1703.00858","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.00858","created_at":"2026-05-18T00:48:00Z"},{"alias_kind":"arxiv_version","alias_value":"1703.00858v1","created_at":"2026-05-18T00:48:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.00858","created_at":"2026-05-18T00:48:00Z"},{"alias_kind":"pith_short_12","alias_value":"UKJTAKSI4253","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"UKJTAKSI4253IMLF","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"UKJTAKSI","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:UKJTAKSI4253IMLFN65XTECQW6","target":"record","payload":{"canonical_record":{"source":{"id":"1703.00858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-03-02T17:16:12Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"title_canon_sha256":"0071e23c86aae985152f30f560b8630e01b5322ee882d1bd647e385b8d8b91e7","abstract_canon_sha256":"5ab878628e633e28ccf7106c8d27f30a77da70305f8d9deba778f319bb35785b"},"schema_version":"1.0"},"canonical_sha256":"a293302a48e6bbb431656fbb799050b793be17b2ee4005d55d3deac04d2b1112","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:00.593805Z","signature_b64":"AP2aHtTBzM1mLYJ59R2boWp2qWi+z4c3jd9dyIDXdNhOZtLyzXWbwzZjmk1jqnf31KKKizeFKQvR2U2O/NIkCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a293302a48e6bbb431656fbb799050b793be17b2ee4005d55d3deac04d2b1112","last_reissued_at":"2026-05-18T00:48:00.593206Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:00.593206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.00858","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":"2026-05-18T00:48:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIAM5YZAMe/juDSSuPwQyGnmbUMpBEdRja1P411jZjuFtsFGJ8bTKTLkmDmffD1EtiHX6Ro5NmlYbXNc/KgBCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T16:18:23.284057Z"},"content_sha256":"3a53f8768d3d6af3a211a58e3da5492279351f1b763ccb757b85cd987b101ff8","schema_version":"1.0","event_id":"sha256:3a53f8768d3d6af3a211a58e3da5492279351f1b763ccb757b85cd987b101ff8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:UKJTAKSI4253IMLFN65XTECQW6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comparative statistics of selected subgrid-scale models in large eddy simulations of decaying, supersonic MHD turbulence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"primary_cat":"physics.flu-dyn","authors_text":"Dimitar G Vlaykov, Dominik R G Schleicher, Philipp Grete, Wolfram Schmidt","submitted_at":"2017-03-02T17:16:12Z","abstract_excerpt":"Large eddy simulations (LES) are a powerful tool in understanding processes that are inaccessible by direct simulations due to their complexity, for example, in the highly turbulent regime. However, their accuracy and success depends on a proper subgrid-scale (SGS) model that accounts for the unresolved scales in the simulation. We evaluate the applicability of two traditional SGS models, namely the eddy-viscosity (EV) and the scale-similarity (SS) model, and one recently proposed nonlinear (NL) SGS model in the realm of compressible MHD turbulence. Using 209 simulations of decaying, supersoni"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.00858","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":"2026-05-18T00:48:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lQpXWFEnYcddIVR+JBT8zHCjSXsRqKHgmbp5z9aOOjiTNv9H/hnePRoxCwWuHXZk0dXq3QJzzs2Fi/GGkaFmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T16:18:23.284421Z"},"content_sha256":"4653db1f5681fb743feb4748104e72bedc4d84c4750a73b91feab6adc1ec16f7","schema_version":"1.0","event_id":"sha256:4653db1f5681fb743feb4748104e72bedc4d84c4750a73b91feab6adc1ec16f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UKJTAKSI4253IMLFN65XTECQW6/bundle.json","state_url":"https://pith.science/pith/UKJTAKSI4253IMLFN65XTECQW6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UKJTAKSI4253IMLFN65XTECQW6/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":"2026-06-04T16:18:23Z","links":{"resolver":"https://pith.science/pith/UKJTAKSI4253IMLFN65XTECQW6","bundle":"https://pith.science/pith/UKJTAKSI4253IMLFN65XTECQW6/bundle.json","state":"https://pith.science/pith/UKJTAKSI4253IMLFN65XTECQW6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UKJTAKSI4253IMLFN65XTECQW6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:UKJTAKSI4253IMLFN65XTECQW6","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":"5ab878628e633e28ccf7106c8d27f30a77da70305f8d9deba778f319bb35785b","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-03-02T17:16:12Z","title_canon_sha256":"0071e23c86aae985152f30f560b8630e01b5322ee882d1bd647e385b8d8b91e7"},"schema_version":"1.0","source":{"id":"1703.00858","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.00858","created_at":"2026-05-18T00:48:00Z"},{"alias_kind":"arxiv_version","alias_value":"1703.00858v1","created_at":"2026-05-18T00:48:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.00858","created_at":"2026-05-18T00:48:00Z"},{"alias_kind":"pith_short_12","alias_value":"UKJTAKSI4253","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"UKJTAKSI4253IMLF","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"UKJTAKSI","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:4653db1f5681fb743feb4748104e72bedc4d84c4750a73b91feab6adc1ec16f7","target":"graph","created_at":"2026-05-18T00:48:00Z","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":"Large eddy simulations (LES) are a powerful tool in understanding processes that are inaccessible by direct simulations due to their complexity, for example, in the highly turbulent regime. However, their accuracy and success depends on a proper subgrid-scale (SGS) model that accounts for the unresolved scales in the simulation. We evaluate the applicability of two traditional SGS models, namely the eddy-viscosity (EV) and the scale-similarity (SS) model, and one recently proposed nonlinear (NL) SGS model in the realm of compressible MHD turbulence. Using 209 simulations of decaying, supersoni","authors_text":"Dimitar G Vlaykov, Dominik R G Schleicher, Philipp Grete, Wolfram Schmidt","cross_cats":["astro-ph.CO","astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-03-02T17:16:12Z","title":"Comparative statistics of selected subgrid-scale models in large eddy simulations of decaying, supersonic MHD turbulence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.00858","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":"sha256:3a53f8768d3d6af3a211a58e3da5492279351f1b763ccb757b85cd987b101ff8","target":"record","created_at":"2026-05-18T00:48:00Z","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":"5ab878628e633e28ccf7106c8d27f30a77da70305f8d9deba778f319bb35785b","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","physics.comp-ph","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-03-02T17:16:12Z","title_canon_sha256":"0071e23c86aae985152f30f560b8630e01b5322ee882d1bd647e385b8d8b91e7"},"schema_version":"1.0","source":{"id":"1703.00858","kind":"arxiv","version":1}},"canonical_sha256":"a293302a48e6bbb431656fbb799050b793be17b2ee4005d55d3deac04d2b1112","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a293302a48e6bbb431656fbb799050b793be17b2ee4005d55d3deac04d2b1112","first_computed_at":"2026-05-18T00:48:00.593206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:00.593206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AP2aHtTBzM1mLYJ59R2boWp2qWi+z4c3jd9dyIDXdNhOZtLyzXWbwzZjmk1jqnf31KKKizeFKQvR2U2O/NIkCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:00.593805Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.00858","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a53f8768d3d6af3a211a58e3da5492279351f1b763ccb757b85cd987b101ff8","sha256:4653db1f5681fb743feb4748104e72bedc4d84c4750a73b91feab6adc1ec16f7"],"state_sha256":"a3f40efdf87817b4d068a81e723740c18a6530754925ce7dd3ef4eb91c81c763"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wXcCYEo9FltykmliSTFOZFN4wfqgD9aBFI2kKU/RjudjNivkbyRMH1ne+LBs/R2g22tIvkSAPrch4Wu87+r8BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T16:18:23.286400Z","bundle_sha256":"f4f2a68cb58ae089aa49e2e0bf01df22f36e7197029ed6977974d957071fe3cb"}}