{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:SIYVYZHBBWKKUX2BI6D7SYYDLK","short_pith_number":"pith:SIYVYZHB","schema_version":"1.0","canonical_sha256":"92315c64e10d94aa5f414787f963035a830670087793dd942a403f28e4a64b66","source":{"kind":"arxiv","id":"1810.10028","version":1},"attestation_state":"computed","paper":{"title":"Scaling and modelling of turbulent flow over a sparse canopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Akshath Sharma, Ricardo Garc\\'ia-Mayoral","submitted_at":"2018-10-23T18:03:54Z","abstract_excerpt":"The turbulent flow within and above a sparse canopy is investigated using direct numerical simulations. The balance of Reynolds to viscous stresses within the canopy is observed to be similar to that over a smooth wall. From this, a scaling based on their local sum is proposed. Using the conventional scaling based on the total stress, the velocity fluctuations are typically reported to be reduced within the canopy compared to smooth walls. When the proposed height-dependent scaling is used, however, the fluctuations are closer to those over smooth walls. This suggests that, in a large part, th"},"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":"1810.10028","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2018-10-23T18:03:54Z","cross_cats_sorted":[],"title_canon_sha256":"763a6389e976c32715d24daf19b3cb9c9bda6ed09bddd5ea27d7c47d4489cb19","abstract_canon_sha256":"99cb2c8f6d23c71744bd3c6672947013f7abe5009ea7cd4816c939c3ca70b6a8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:24.440897Z","signature_b64":"1StFTM1C8K+cDFzsOm7ZHx4UHT3xIkh6+p+9ka33gFoMpKI6SVBbis3Awt+lX1RbQIvQfXzAtQ8QYSX2AlUeDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92315c64e10d94aa5f414787f963035a830670087793dd942a403f28e4a64b66","last_reissued_at":"2026-05-18T00:02:24.440213Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:24.440213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scaling and modelling of turbulent flow over a sparse canopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Akshath Sharma, Ricardo Garc\\'ia-Mayoral","submitted_at":"2018-10-23T18:03:54Z","abstract_excerpt":"The turbulent flow within and above a sparse canopy is investigated using direct numerical simulations. The balance of Reynolds to viscous stresses within the canopy is observed to be similar to that over a smooth wall. From this, a scaling based on their local sum is proposed. Using the conventional scaling based on the total stress, the velocity fluctuations are typically reported to be reduced within the canopy compared to smooth walls. When the proposed height-dependent scaling is used, however, the fluctuations are closer to those over smooth walls. This suggests that, in a large part, th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10028","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":"1810.10028","created_at":"2026-05-18T00:02:24.440311+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.10028v1","created_at":"2026-05-18T00:02:24.440311+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10028","created_at":"2026-05-18T00:02:24.440311+00:00"},{"alias_kind":"pith_short_12","alias_value":"SIYVYZHBBWKK","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_16","alias_value":"SIYVYZHBBWKKUX2B","created_at":"2026-05-18T12:32:53.628368+00:00"},{"alias_kind":"pith_short_8","alias_value":"SIYVYZHB","created_at":"2026-05-18T12:32:53.628368+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/SIYVYZHBBWKKUX2BI6D7SYYDLK","json":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK.json","graph_json":"https://pith.science/api/pith-number/SIYVYZHBBWKKUX2BI6D7SYYDLK/graph.json","events_json":"https://pith.science/api/pith-number/SIYVYZHBBWKKUX2BI6D7SYYDLK/events.json","paper":"https://pith.science/paper/SIYVYZHB"},"agent_actions":{"view_html":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK","download_json":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK.json","view_paper":"https://pith.science/paper/SIYVYZHB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.10028&json=true","fetch_graph":"https://pith.science/api/pith-number/SIYVYZHBBWKKUX2BI6D7SYYDLK/graph.json","fetch_events":"https://pith.science/api/pith-number/SIYVYZHBBWKKUX2BI6D7SYYDLK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK/action/storage_attestation","attest_author":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK/action/author_attestation","sign_citation":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK/action/citation_signature","submit_replication":"https://pith.science/pith/SIYVYZHBBWKKUX2BI6D7SYYDLK/action/replication_record"}},"created_at":"2026-05-18T00:02:24.440311+00:00","updated_at":"2026-05-18T00:02:24.440311+00:00"}