{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:NNQAP6TURTAMEK6AOK243RZGPF","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":"869159da1236ed697cdefa0e7eece7e3faa480e70af395c6bb7349d00582aa0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-03-22T16:56:07Z","title_canon_sha256":"64ba2bf326638f94642f5361bab9ab94c7f8ec88f0fb42cc88367a472f0e25ea"},"schema_version":"1.0","source":{"id":"2103.12005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.12005","created_at":"2026-07-05T02:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"2103.12005v1","created_at":"2026-07-05T02:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.12005","created_at":"2026-07-05T02:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"NNQAP6TURTAM","created_at":"2026-07-05T02:32:04Z"},{"alias_kind":"pith_short_16","alias_value":"NNQAP6TURTAMEK6A","created_at":"2026-07-05T02:32:04Z"},{"alias_kind":"pith_short_8","alias_value":"NNQAP6TU","created_at":"2026-07-05T02:32:04Z"}],"graph_snapshots":[{"event_id":"sha256:8ecd12f3cbcfcd3211eccf937e68a964f9fac489d9abbee74461fe19287f8ccd","target":"graph","created_at":"2026-07-05T02:32:04Z","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/2103.12005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate properties of the scale dependence and cross-scale transfer of kinetic energy in compressible three-dimensional hydrodynamic turbulence, by means of two direct numerical simulations of decaying turbulence with initial Mach numbers M = 1/3 and M = 1, and with moderate Reynolds numbers, R_lambda ~ 100. The turbulent dynamics is analyzed using compressible and incompressible versions of the dynamic spectral transfer (ST) and the Karman-Howarth-Monin (KHM) equations. We find that the nonlinear coupling leads to a flux of the kinetic energy to small scales where it is dissipated; at ","authors_text":"A. Verdini, E. Papini, L. Franci, L. Matteini, P. Hellinger, S. Landi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-03-22T16:56:07Z","title":"Scale dependence and cross-scale transfer of kinetic energy in compressible hydrodynamic turbulence at moderate Reynolds numbers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.12005","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":"sha256:4d3b812e3576397cc2659a4507821dd988a36a5b9e284803253139e2a5a4e34b","target":"record","created_at":"2026-07-05T02:32:04Z","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":"869159da1236ed697cdefa0e7eece7e3faa480e70af395c6bb7349d00582aa0e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2021-03-22T16:56:07Z","title_canon_sha256":"64ba2bf326638f94642f5361bab9ab94c7f8ec88f0fb42cc88367a472f0e25ea"},"schema_version":"1.0","source":{"id":"2103.12005","kind":"arxiv","version":1}},"canonical_sha256":"6b6007fa748cc0c22bc072b5cdc72679758483e0c40f9986c67e641d0b9ae3a1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b6007fa748cc0c22bc072b5cdc72679758483e0c40f9986c67e641d0b9ae3a1","first_computed_at":"2026-07-05T02:32:04.702524Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:32:04.702524Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IfJsascZQqv+tvoyHZcfobWPm7OZ5DyBhp9xKqDEssgRMR7Ti6WJscw/WFyjsQwK3+TDsnLxPtwdyxyElmWABQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:32:04.702912Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.12005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d3b812e3576397cc2659a4507821dd988a36a5b9e284803253139e2a5a4e34b","sha256:8ecd12f3cbcfcd3211eccf937e68a964f9fac489d9abbee74461fe19287f8ccd"],"state_sha256":"4858cbb0993e9e8450c6d944c3f44c6f8155652ad417b9de659262b252f75537"}