{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:O45QVFGNBQVRHF27VVFXGCGFTW","short_pith_number":"pith:O45QVFGN","schema_version":"1.0","canonical_sha256":"773b0a94cd0c2b13975fad4b7308c59d9bc89147e59ae27ca9a664fbcebfc3b3","source":{"kind":"arxiv","id":"1906.06386","version":1},"attestation_state":"computed","paper":{"title":"Measurement of turbulent spatial structure and kinetic energy spectrum by exact temporal-to-spatial mapping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Clara M. Velte, Preben Buchhave","submitted_at":"2019-06-14T20:04:54Z","abstract_excerpt":"We present a method for converting a time record of turbulent velocity measured at a point in a flow to a spatial velocity record consisting of consecutive convection elements. The spatial record allows computation of dynamic statistical moments such as turbulent kinetic wavenumber spectra and spatial structure functions in a way that bypasses the need for Taylor's Hypothesis. The spatial statistics agree with the classical counterparts, such as the total kinetic energy spectrum, at least for spatial extents up to the Taylor microscale. The requirements for applying the method is access to the"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1906.06386","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2019-06-14T20:04:54Z","cross_cats_sorted":[],"title_canon_sha256":"20f77d5a79beb15534ca6188681d22597bd2f6d662100ca21cc843ba1f1c8dce","abstract_canon_sha256":"435d8ed182d8882031dc94015141f7873d8a40f3b6145d5cd338d3e394d905e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:13.863998Z","signature_b64":"Jb/5zAqdQmmK7qGv8fgBy2sZC7RXEJ6W5soihTlRU8LOHycjn1Q6H7gRvcpJJl0e7ZnhtJhgo8uZldXeOdNBDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"773b0a94cd0c2b13975fad4b7308c59d9bc89147e59ae27ca9a664fbcebfc3b3","last_reissued_at":"2026-05-17T23:43:13.863533Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:13.863533Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement of turbulent spatial structure and kinetic energy spectrum by exact temporal-to-spatial mapping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Clara M. Velte, Preben Buchhave","submitted_at":"2019-06-14T20:04:54Z","abstract_excerpt":"We present a method for converting a time record of turbulent velocity measured at a point in a flow to a spatial velocity record consisting of consecutive convection elements. The spatial record allows computation of dynamic statistical moments such as turbulent kinetic wavenumber spectra and spatial structure functions in a way that bypasses the need for Taylor's Hypothesis. The spatial statistics agree with the classical counterparts, such as the total kinetic energy spectrum, at least for spatial extents up to the Taylor microscale. The requirements for applying the method is access to the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.06386","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1906.06386","created_at":"2026-05-17T23:43:13.863612+00:00"},{"alias_kind":"arxiv_version","alias_value":"1906.06386v1","created_at":"2026-05-17T23:43:13.863612+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.06386","created_at":"2026-05-17T23:43:13.863612+00:00"},{"alias_kind":"pith_short_12","alias_value":"O45QVFGNBQVR","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"O45QVFGNBQVRHF27","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"O45QVFGN","created_at":"2026-05-18T12:33:24.271573+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW","json":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW.json","graph_json":"https://pith.science/api/pith-number/O45QVFGNBQVRHF27VVFXGCGFTW/graph.json","events_json":"https://pith.science/api/pith-number/O45QVFGNBQVRHF27VVFXGCGFTW/events.json","paper":"https://pith.science/paper/O45QVFGN"},"agent_actions":{"view_html":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW","download_json":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW.json","view_paper":"https://pith.science/paper/O45QVFGN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1906.06386&json=true","fetch_graph":"https://pith.science/api/pith-number/O45QVFGNBQVRHF27VVFXGCGFTW/graph.json","fetch_events":"https://pith.science/api/pith-number/O45QVFGNBQVRHF27VVFXGCGFTW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW/action/storage_attestation","attest_author":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW/action/author_attestation","sign_citation":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW/action/citation_signature","submit_replication":"https://pith.science/pith/O45QVFGNBQVRHF27VVFXGCGFTW/action/replication_record"}},"created_at":"2026-05-17T23:43:13.863612+00:00","updated_at":"2026-05-17T23:43:13.863612+00:00"}