{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:DZ5EJFQ6IXFJVTEJSU3NCD4CPV","short_pith_number":"pith:DZ5EJFQ6","canonical_record":{"source":{"id":"2210.16487","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2022-10-29T03:56:18Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"6b39e14adba47d68c0ba75da246838831d5418faba86db97c16cdf58dd822fe5","abstract_canon_sha256":"a1b295484e7188dd176e0569bf1fa1a6182f465b28559d62e38bc1eebf2e4392"},"schema_version":"1.0"},"canonical_sha256":"1e7a44961e45ca9acc899536d10f827d6f6e84a2d9df5e55f253a5ffdbccd316","source":{"kind":"arxiv","id":"2210.16487","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.16487","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"arxiv_version","alias_value":"2210.16487v1","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.16487","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"pith_short_12","alias_value":"DZ5EJFQ6IXFJ","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"pith_short_16","alias_value":"DZ5EJFQ6IXFJVTEJ","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"pith_short_8","alias_value":"DZ5EJFQ6","created_at":"2026-07-05T05:11:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:DZ5EJFQ6IXFJVTEJSU3NCD4CPV","target":"record","payload":{"canonical_record":{"source":{"id":"2210.16487","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2022-10-29T03:56:18Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"6b39e14adba47d68c0ba75da246838831d5418faba86db97c16cdf58dd822fe5","abstract_canon_sha256":"a1b295484e7188dd176e0569bf1fa1a6182f465b28559d62e38bc1eebf2e4392"},"schema_version":"1.0"},"canonical_sha256":"1e7a44961e45ca9acc899536d10f827d6f6e84a2d9df5e55f253a5ffdbccd316","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:11:46.957132Z","signature_b64":"UFRGLibXYA+W8mt11pxkQ1xulzkypODYkQfqYJUS/FtX+U+wXASejeIf8kuipea6U9Hwzm+xO+s+U99kKUlhDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e7a44961e45ca9acc899536d10f827d6f6e84a2d9df5e55f253a5ffdbccd316","last_reissued_at":"2026-07-05T05:11:46.956677Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:11:46.956677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.16487","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":"2026-07-05T05:11:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/5972AR5DO0MhtoPpdalSsq272Uaxq5YKjgiPOMOpyUN+jGMencrmlFZcPqzmewK5uAtcWXcPFeW4NIm7JcwBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:49:20.235807Z"},"content_sha256":"aca3ce91877af9346d64faff2955eccb5a2a084a1819aea7c6f619091c2f6194","schema_version":"1.0","event_id":"sha256:aca3ce91877af9346d64faff2955eccb5a2a084a1819aea7c6f619091c2f6194"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:DZ5EJFQ6IXFJVTEJSU3NCD4CPV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Large-scale motions and self-similar structures in compressible turbulent channel flows","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["nlin.CD"],"primary_cat":"physics.flu-dyn","authors_text":"Cheng cheng, Lin Fu","submitted_at":"2022-10-29T03:56:18Z","abstract_excerpt":"In this work, we study the scale characteristics of the log- and outer-region motions and structures in subsonic and supersonic turbulence. To this end, a series of direct numerical simulations of the compressible turbulent channel flow at medium Reynolds numbers are performed. Based on this database, the streamwise and spanwise length scales of the outer-region motions are investigated by the two-point correlations and the one-dimensional spectra. The energy distribution among the multi-scale structures in the outer region is found to be dominated by the semilocal friction-Reynolds-number eff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.16487","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/2210.16487/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":"2026-07-05T05:11:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UP6acsosP6frEloiuJqoTTm0Ny9aoP51fgf02V8cprkyy+BHYRtYaTA/JMHxzvlwds+FI7cjsrt8iWk41vs3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:49:20.236185Z"},"content_sha256":"f65717d68a29d62b2ee704f7f761184b76dddfcbe47db34d4ea5b22e0a835f60","schema_version":"1.0","event_id":"sha256:f65717d68a29d62b2ee704f7f761184b76dddfcbe47db34d4ea5b22e0a835f60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DZ5EJFQ6IXFJVTEJSU3NCD4CPV/bundle.json","state_url":"https://pith.science/pith/DZ5EJFQ6IXFJVTEJSU3NCD4CPV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DZ5EJFQ6IXFJVTEJSU3NCD4CPV/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":"2026-07-06T08:49:20Z","links":{"resolver":"https://pith.science/pith/DZ5EJFQ6IXFJVTEJSU3NCD4CPV","bundle":"https://pith.science/pith/DZ5EJFQ6IXFJVTEJSU3NCD4CPV/bundle.json","state":"https://pith.science/pith/DZ5EJFQ6IXFJVTEJSU3NCD4CPV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DZ5EJFQ6IXFJVTEJSU3NCD4CPV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:DZ5EJFQ6IXFJVTEJSU3NCD4CPV","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":"a1b295484e7188dd176e0569bf1fa1a6182f465b28559d62e38bc1eebf2e4392","cross_cats_sorted":["nlin.CD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2022-10-29T03:56:18Z","title_canon_sha256":"6b39e14adba47d68c0ba75da246838831d5418faba86db97c16cdf58dd822fe5"},"schema_version":"1.0","source":{"id":"2210.16487","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.16487","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"arxiv_version","alias_value":"2210.16487v1","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.16487","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"pith_short_12","alias_value":"DZ5EJFQ6IXFJ","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"pith_short_16","alias_value":"DZ5EJFQ6IXFJVTEJ","created_at":"2026-07-05T05:11:46Z"},{"alias_kind":"pith_short_8","alias_value":"DZ5EJFQ6","created_at":"2026-07-05T05:11:46Z"}],"graph_snapshots":[{"event_id":"sha256:f65717d68a29d62b2ee704f7f761184b76dddfcbe47db34d4ea5b22e0a835f60","target":"graph","created_at":"2026-07-05T05:11:46Z","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/2210.16487/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we study the scale characteristics of the log- and outer-region motions and structures in subsonic and supersonic turbulence. To this end, a series of direct numerical simulations of the compressible turbulent channel flow at medium Reynolds numbers are performed. Based on this database, the streamwise and spanwise length scales of the outer-region motions are investigated by the two-point correlations and the one-dimensional spectra. The energy distribution among the multi-scale structures in the outer region is found to be dominated by the semilocal friction-Reynolds-number eff","authors_text":"Cheng cheng, Lin Fu","cross_cats":["nlin.CD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2022-10-29T03:56:18Z","title":"Large-scale motions and self-similar structures in compressible turbulent channel flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.16487","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:aca3ce91877af9346d64faff2955eccb5a2a084a1819aea7c6f619091c2f6194","target":"record","created_at":"2026-07-05T05:11:46Z","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":"a1b295484e7188dd176e0569bf1fa1a6182f465b28559d62e38bc1eebf2e4392","cross_cats_sorted":["nlin.CD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.flu-dyn","submitted_at":"2022-10-29T03:56:18Z","title_canon_sha256":"6b39e14adba47d68c0ba75da246838831d5418faba86db97c16cdf58dd822fe5"},"schema_version":"1.0","source":{"id":"2210.16487","kind":"arxiv","version":1}},"canonical_sha256":"1e7a44961e45ca9acc899536d10f827d6f6e84a2d9df5e55f253a5ffdbccd316","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e7a44961e45ca9acc899536d10f827d6f6e84a2d9df5e55f253a5ffdbccd316","first_computed_at":"2026-07-05T05:11:46.956677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:11:46.956677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UFRGLibXYA+W8mt11pxkQ1xulzkypODYkQfqYJUS/FtX+U+wXASejeIf8kuipea6U9Hwzm+xO+s+U99kKUlhDw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:11:46.957132Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.16487","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aca3ce91877af9346d64faff2955eccb5a2a084a1819aea7c6f619091c2f6194","sha256:f65717d68a29d62b2ee704f7f761184b76dddfcbe47db34d4ea5b22e0a835f60"],"state_sha256":"345805ea72dd1f17313863be992d38bd677abe73f5334cdda6fffd438079a452"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MmInDp8iu4fH8+SS38by1+AhBjdAs2ffCFbqq6kG1cvay/fZejJEoFT8rr0PeLJ1egMzUlcdy4/6/AGjyaX3CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T08:49:20.238061Z","bundle_sha256":"21f378d7e2aa2485d1d3a1b89658730a112bd34a3680108ba9940a7f17bb3378"}}