{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:BQBD3JAFB6PPSWWQJAA72YSWTK","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":"286a58d95eb670149b5309f64ba94f0597f8106304edb71dda435fc809d16485","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-07-01T10:23:07Z","title_canon_sha256":"f49396ae67a6035b31f28aa1eb6006429945cc702182d9831d702b895944e5a8"},"schema_version":"1.0","source":{"id":"1607.00195","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.00195","created_at":"2026-05-18T01:11:37Z"},{"alias_kind":"arxiv_version","alias_value":"1607.00195v1","created_at":"2026-05-18T01:11:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.00195","created_at":"2026-05-18T01:11:37Z"},{"alias_kind":"pith_short_12","alias_value":"BQBD3JAFB6PP","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BQBD3JAFB6PPSWWQ","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BQBD3JAF","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:3171ffa956396e20fa4f52a252c6124f754ec3a25bc43c3e6a8394f6674acb96","target":"graph","created_at":"2026-05-18T01:11:37Z","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":"The evolution of multi-mode instabilities in a hypersonic boundary layer and their effects on aerodynamic heating are investigated. Experiments are conducted in a Mach 6 wind tunnel using Rayleigh-scattering flow visualization, fast-response pressure sensors, fluorescent temperature-sensitive paint (TSP), and particle image velocimetry (PIV). Calculations are also performed based on both parabolized stability equations (PSE) and direct numerical simulations (DNS). It is found that second-mode dilatational waves, accompanied by high-frequency alternating fluid compression and expansion, produce","authors_text":"Cunbiao Lee, Jiezhi Wu, Mohamed Gad-el-Hak, Shiyi Chen, Xi Chen, Yiding Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-07-01T10:23:07Z","title":"Aerodynamic Heating in Hypersonic Boundary Layers:\\ Role of Dilatational Waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.00195","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":"sha256:46198666c9afc5518098c1f544725364b36ddb8744dcb2839c78e31aef5c7cdb","target":"record","created_at":"2026-05-18T01:11:37Z","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":"286a58d95eb670149b5309f64ba94f0597f8106304edb71dda435fc809d16485","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2016-07-01T10:23:07Z","title_canon_sha256":"f49396ae67a6035b31f28aa1eb6006429945cc702182d9831d702b895944e5a8"},"schema_version":"1.0","source":{"id":"1607.00195","kind":"arxiv","version":1}},"canonical_sha256":"0c023da4050f9ef95ad04801fd62569a8d9e877912a8fbb12ba35612a36011d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c023da4050f9ef95ad04801fd62569a8d9e877912a8fbb12ba35612a36011d3","first_computed_at":"2026-05-18T01:11:37.876550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:37.876550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cJZ5pMywm6kHS6gjYuwJDwPuOK/Q29w1m5kEjImu8jnZnIDEj+AF9nMknx+VKIh6KkU32C+kuABby/bPFwotDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:37.876910Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.00195","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46198666c9afc5518098c1f544725364b36ddb8744dcb2839c78e31aef5c7cdb","sha256:3171ffa956396e20fa4f52a252c6124f754ec3a25bc43c3e6a8394f6674acb96"],"state_sha256":"2d26cf32157092deedae870e235674cddc6ab7996945ae830a5b005c69d94149"}