{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:K4AQ4VNBHCSRPCDYSVWZLKVST3","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":"812a065d0349abce01949a324b354b450e370e692ec4a694a59b0f05dcab8895","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-09-13T17:41:56Z","title_canon_sha256":"3f4927526d0aca5aae0fbb3c4642ab8e825af037f35cdac07d74f7603c4f2e22"},"schema_version":"1.0","source":{"id":"1809.05080","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.05080","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1809.05080v1","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.05080","created_at":"2026-05-18T00:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"K4AQ4VNBHCSR","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"K4AQ4VNBHCSRPCDY","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"K4AQ4VNB","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:e84bc37f8af2282e77cdb1f80e43e9219448a32fb304e726f7082d3a2b65ed72","target":"graph","created_at":"2026-05-18T00:05:46Z","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"},"paper":{"abstract_excerpt":"A study of large-scale motions from a new direct numerical simulation database of the turbulent boundary layer up to Re{\\theta} ~ 2500 is presented. The statistics of large-scale streamwise structures have been investigated using two-dimensional and three-dimensional extraction procedures. The large-scale structures are abstracted using a robust skeletonization method usually applied to other research domains to simplify complex 3D objects. Different structure parameters such as the length, shape or angle are investigated. The features of the detected structures are compared to their mean coun","authors_text":"Ilkay Solak, Jean-Philippe Laval","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-09-13T17:41:56Z","title":"Large-scale motions from a direct numerical simulation of a turbulent boundary layer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.05080","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:c928bc5e8ddffe7fa1338e222b1538461d8da71a96c9c02d99f40eb60f2935f8","target":"record","created_at":"2026-05-18T00:05:46Z","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":"812a065d0349abce01949a324b354b450e370e692ec4a694a59b0f05dcab8895","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-09-13T17:41:56Z","title_canon_sha256":"3f4927526d0aca5aae0fbb3c4642ab8e825af037f35cdac07d74f7603c4f2e22"},"schema_version":"1.0","source":{"id":"1809.05080","kind":"arxiv","version":1}},"canonical_sha256":"57010e55a138a5178878956d95aab29ee3e6a8aea8a384030db998ae6d5fa977","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57010e55a138a5178878956d95aab29ee3e6a8aea8a384030db998ae6d5fa977","first_computed_at":"2026-05-18T00:05:46.639971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:46.639971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XXBOl61zHOGo4919L9upIZ7stnyKlNQJvx7LzgZqV4OtEAE/0r1F9tf7RMp5Gvr5mrFEVemtDsXFcBeVCPaqDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:46.640681Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.05080","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c928bc5e8ddffe7fa1338e222b1538461d8da71a96c9c02d99f40eb60f2935f8","sha256:e84bc37f8af2282e77cdb1f80e43e9219448a32fb304e726f7082d3a2b65ed72"],"state_sha256":"d85ef6acb4cf07b965605826c2221090417605860798ce57b8fddf5c03352900"}