{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:LIZCDWMW2BPWUKE2GRBNUUBA5V","short_pith_number":"pith:LIZCDWMW","canonical_record":{"source":{"id":"2606.28018","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-26T12:20:17Z","cross_cats_sorted":[],"title_canon_sha256":"db4deee43ef3b9602a99f31ac097ae1471a0e33d2ea991516bf617864e973456","abstract_canon_sha256":"e2dfb4b92e33e00ea8a10c42f019f514d4fe535ea801768a1716e0fdad23c44a"},"schema_version":"1.0"},"canonical_sha256":"5a3221d996d05f6a289a3442da5020ed7f9b858eec20795331bd96f509444241","source":{"kind":"arxiv","id":"2606.28018","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.28018","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"2606.28018v1","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28018","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"LIZCDWMW2BPW","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"pith_short_16","alias_value":"LIZCDWMW2BPWUKE2","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"pith_short_8","alias_value":"LIZCDWMW","created_at":"2026-06-29T01:14:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:LIZCDWMW2BPWUKE2GRBNUUBA5V","target":"record","payload":{"canonical_record":{"source":{"id":"2606.28018","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-26T12:20:17Z","cross_cats_sorted":[],"title_canon_sha256":"db4deee43ef3b9602a99f31ac097ae1471a0e33d2ea991516bf617864e973456","abstract_canon_sha256":"e2dfb4b92e33e00ea8a10c42f019f514d4fe535ea801768a1716e0fdad23c44a"},"schema_version":"1.0"},"canonical_sha256":"5a3221d996d05f6a289a3442da5020ed7f9b858eec20795331bd96f509444241","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-29T01:14:55.290963Z","signature_b64":"4yCWUo1Hg8p+uLYNNk8ir33X1+1lf+f/fSO3c/N5Sbz21u93g8aj7j6ujx3qEeI6lxcTVKhZfqakNHbmIeW8Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a3221d996d05f6a289a3442da5020ed7f9b858eec20795331bd96f509444241","last_reissued_at":"2026-06-29T01:14:55.290533Z","signature_status":"signed_v1","first_computed_at":"2026-06-29T01:14:55.290533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.28018","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":"2026-06-29T01:14:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XFQgjR4hxZQmBrcOpYHlBCmCiWDfD386Pxe+d+ILwSQ9A++oDt2/sXJIclerbeMUEW6+M1Gm5jlR+oOLgA8QCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T16:35:49.275561Z"},"content_sha256":"0fc9fcc97f70f92ffb5f72625d45f00c6e07cf453a67407cf66a3063efeb51ad","schema_version":"1.0","event_id":"sha256:0fc9fcc97f70f92ffb5f72625d45f00c6e07cf453a67407cf66a3063efeb51ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:LIZCDWMW2BPWUKE2GRBNUUBA5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effects of thermochemical modelling on a hypersonic shock-wave/turbulent boundary-layer interaction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Marco Fratini, Matteo Bernardini, Pedro Stefanin Volpiani","submitted_at":"2026-06-26T12:20:17Z","abstract_excerpt":"Thermochemical non-equilibrium can alter the structure, loads, and time scales of hypersonic shock-wave/turbulent boundary-layer interactions, yet its role in fully turbulent configurations remains largely unquantified. The present work addresses this issue by performing three direct numerical simulations of an oblique shock impinging on a turbulent high-enthalpy boundary layer at edge Mach number $M_e=6.4$ and stagnation enthalpy $H_e=16.9$ MJ/kg. The simulations share identical geometry and freestream conditions, but employ a hierarchy of progressively simplified thermochemical descriptions:"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28018","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.28018/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-29T01:14:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zjyn0dOtKbwwpM0AhVK5Jq0n5p/jEHUGTLqylPO94idx4aLQ2lWkcoa0qIzSqG880+ljw2Dn7PuQNxAVjLuWAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T16:35:49.275946Z"},"content_sha256":"5cc41553c2c66e902497f5b27ddc4f950967b5af0aa517e9c64e059c1ef933df","schema_version":"1.0","event_id":"sha256:5cc41553c2c66e902497f5b27ddc4f950967b5af0aa517e9c64e059c1ef933df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LIZCDWMW2BPWUKE2GRBNUUBA5V/bundle.json","state_url":"https://pith.science/pith/LIZCDWMW2BPWUKE2GRBNUUBA5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LIZCDWMW2BPWUKE2GRBNUUBA5V/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":"2026-06-29T16:35:49Z","links":{"resolver":"https://pith.science/pith/LIZCDWMW2BPWUKE2GRBNUUBA5V","bundle":"https://pith.science/pith/LIZCDWMW2BPWUKE2GRBNUUBA5V/bundle.json","state":"https://pith.science/pith/LIZCDWMW2BPWUKE2GRBNUUBA5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LIZCDWMW2BPWUKE2GRBNUUBA5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LIZCDWMW2BPWUKE2GRBNUUBA5V","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":"e2dfb4b92e33e00ea8a10c42f019f514d4fe535ea801768a1716e0fdad23c44a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-26T12:20:17Z","title_canon_sha256":"db4deee43ef3b9602a99f31ac097ae1471a0e33d2ea991516bf617864e973456"},"schema_version":"1.0","source":{"id":"2606.28018","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.28018","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"2606.28018v1","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28018","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"LIZCDWMW2BPW","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"pith_short_16","alias_value":"LIZCDWMW2BPWUKE2","created_at":"2026-06-29T01:14:55Z"},{"alias_kind":"pith_short_8","alias_value":"LIZCDWMW","created_at":"2026-06-29T01:14:55Z"}],"graph_snapshots":[{"event_id":"sha256:5cc41553c2c66e902497f5b27ddc4f950967b5af0aa517e9c64e059c1ef933df","target":"graph","created_at":"2026-06-29T01:14:55Z","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/2606.28018/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Thermochemical non-equilibrium can alter the structure, loads, and time scales of hypersonic shock-wave/turbulent boundary-layer interactions, yet its role in fully turbulent configurations remains largely unquantified. The present work addresses this issue by performing three direct numerical simulations of an oblique shock impinging on a turbulent high-enthalpy boundary layer at edge Mach number $M_e=6.4$ and stagnation enthalpy $H_e=16.9$ MJ/kg. The simulations share identical geometry and freestream conditions, but employ a hierarchy of progressively simplified thermochemical descriptions:","authors_text":"Marco Fratini, Matteo Bernardini, Pedro Stefanin Volpiani","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-26T12:20:17Z","title":"Effects of thermochemical modelling on a hypersonic shock-wave/turbulent boundary-layer interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28018","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":"sha256:0fc9fcc97f70f92ffb5f72625d45f00c6e07cf453a67407cf66a3063efeb51ad","target":"record","created_at":"2026-06-29T01:14:55Z","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":"e2dfb4b92e33e00ea8a10c42f019f514d4fe535ea801768a1716e0fdad23c44a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-06-26T12:20:17Z","title_canon_sha256":"db4deee43ef3b9602a99f31ac097ae1471a0e33d2ea991516bf617864e973456"},"schema_version":"1.0","source":{"id":"2606.28018","kind":"arxiv","version":1}},"canonical_sha256":"5a3221d996d05f6a289a3442da5020ed7f9b858eec20795331bd96f509444241","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a3221d996d05f6a289a3442da5020ed7f9b858eec20795331bd96f509444241","first_computed_at":"2026-06-29T01:14:55.290533Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-29T01:14:55.290533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4yCWUo1Hg8p+uLYNNk8ir33X1+1lf+f/fSO3c/N5Sbz21u93g8aj7j6ujx3qEeI6lxcTVKhZfqakNHbmIeW8Cg==","signature_status":"signed_v1","signed_at":"2026-06-29T01:14:55.290963Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.28018","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fc9fcc97f70f92ffb5f72625d45f00c6e07cf453a67407cf66a3063efeb51ad","sha256:5cc41553c2c66e902497f5b27ddc4f950967b5af0aa517e9c64e059c1ef933df"],"state_sha256":"58ba8ca964c397917b31d4c7028d2a116194aeaaa3558de97297f015686c751e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ahtgWrlkcdBI3OeAMCh1jeXgEE+bjQ4Sn44c1zR+N4F9gLkzBSVtWpRFJlCzbH6KG6QXbre4mJFssY6WB658Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T16:35:49.277916Z","bundle_sha256":"fd50cd5a10d6697d1f9d75e5f6a357085c501c91eaf5898b503c7903ea2ec6e0"}}