{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:WZUSYV22723TJGEAPQIQBPJ43U","short_pith_number":"pith:WZUSYV22","canonical_record":{"source":{"id":"1707.01813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-07-06T14:28:28Z","cross_cats_sorted":[],"title_canon_sha256":"6012b6e1be7d1848f070c65ce89ff35ed2b662cd622c5b13b034e5f914456849","abstract_canon_sha256":"f75feb18b24fea14133d252a7acfd7c9d334f64af28e0108b671c56654680313"},"schema_version":"1.0"},"canonical_sha256":"b6692c575afeb73498807c1100bd3cdd0a52c0d4e354e9ee7e00e0f7f7e0d8df","source":{"kind":"arxiv","id":"1707.01813","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.01813","created_at":"2026-05-18T00:40:47Z"},{"alias_kind":"arxiv_version","alias_value":"1707.01813v1","created_at":"2026-05-18T00:40:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.01813","created_at":"2026-05-18T00:40:47Z"},{"alias_kind":"pith_short_12","alias_value":"WZUSYV22723T","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WZUSYV22723TJGEA","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WZUSYV22","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:WZUSYV22723TJGEAPQIQBPJ43U","target":"record","payload":{"canonical_record":{"source":{"id":"1707.01813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-07-06T14:28:28Z","cross_cats_sorted":[],"title_canon_sha256":"6012b6e1be7d1848f070c65ce89ff35ed2b662cd622c5b13b034e5f914456849","abstract_canon_sha256":"f75feb18b24fea14133d252a7acfd7c9d334f64af28e0108b671c56654680313"},"schema_version":"1.0"},"canonical_sha256":"b6692c575afeb73498807c1100bd3cdd0a52c0d4e354e9ee7e00e0f7f7e0d8df","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:47.354192Z","signature_b64":"5Ydg4fNMnV5okTs2AghQdyky0IJOSrbChPVyFK/Sr6EKs4LsntgIHrJDvTGVcMGVWl9LCv4eTlrin9zbwB+ADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6692c575afeb73498807c1100bd3cdd0a52c0d4e354e9ee7e00e0f7f7e0d8df","last_reissued_at":"2026-05-18T00:40:47.353552Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:47.353552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.01813","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":"2026-05-18T00:40:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i+Xs6XFTFWWznZQ1Z56YIr0qwnPb2XxqA687qf56XgQ8lEbIsv0WNC5bH1E8KfIp64+367qXEgGqX9DecAZtCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:41:37.043477Z"},"content_sha256":"9d0c646d2f091682cabab90fde94ebb512236e12ec2603dfa5590dfd08cbb198","schema_version":"1.0","event_id":"sha256:9d0c646d2f091682cabab90fde94ebb512236e12ec2603dfa5590dfd08cbb198"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:WZUSYV22723TJGEAPQIQBPJ43U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generalized coupled wake boundary layer model: applications and comparisons with field and LES data for two wind-farms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.flu-dyn","authors_text":"Charles Meneveau, Dennice F. Gayme, Richard J.A.M. Stevens","submitted_at":"2017-07-06T14:28:28Z","abstract_excerpt":"We describe a generalization of the Coupled Wake Boundary Layer (CWBL) model for wind-farms that can be used to evaluate the performance of wind-farms under arbitrary wind inflow directions whereas the original CWBL model (Stevens et al., J. Renewable and Sustainable Energy 7, 023115 (2015)) focused on aligned or staggered wind-farms. The generalized CWBL approach combines an analytical Jensen wake model with a \"top-down\" boundary layer model coupled through an iterative determination of the wake expansion coefficient and an effective wake coverage area for which the velocity at hub-height obt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.01813","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:40:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ChJ388K/muUq82oC0R1BXGr6l3ntCVcs3TUV1/HlD7eVpMMHGubJ480o/rSEPAGly7dUwBeeI9P0W56p1WysCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T14:41:37.043828Z"},"content_sha256":"e9ad9afd60fcad1c15756d349eda07c7d9a0f9878d3b3bd599beb7a870560c3d","schema_version":"1.0","event_id":"sha256:e9ad9afd60fcad1c15756d349eda07c7d9a0f9878d3b3bd599beb7a870560c3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WZUSYV22723TJGEAPQIQBPJ43U/bundle.json","state_url":"https://pith.science/pith/WZUSYV22723TJGEAPQIQBPJ43U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WZUSYV22723TJGEAPQIQBPJ43U/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":"2026-06-05T14:41:37Z","links":{"resolver":"https://pith.science/pith/WZUSYV22723TJGEAPQIQBPJ43U","bundle":"https://pith.science/pith/WZUSYV22723TJGEAPQIQBPJ43U/bundle.json","state":"https://pith.science/pith/WZUSYV22723TJGEAPQIQBPJ43U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WZUSYV22723TJGEAPQIQBPJ43U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WZUSYV22723TJGEAPQIQBPJ43U","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":"f75feb18b24fea14133d252a7acfd7c9d334f64af28e0108b671c56654680313","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-07-06T14:28:28Z","title_canon_sha256":"6012b6e1be7d1848f070c65ce89ff35ed2b662cd622c5b13b034e5f914456849"},"schema_version":"1.0","source":{"id":"1707.01813","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.01813","created_at":"2026-05-18T00:40:47Z"},{"alias_kind":"arxiv_version","alias_value":"1707.01813v1","created_at":"2026-05-18T00:40:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.01813","created_at":"2026-05-18T00:40:47Z"},{"alias_kind":"pith_short_12","alias_value":"WZUSYV22723T","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WZUSYV22723TJGEA","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WZUSYV22","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:e9ad9afd60fcad1c15756d349eda07c7d9a0f9878d3b3bd599beb7a870560c3d","target":"graph","created_at":"2026-05-18T00:40:47Z","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":"We describe a generalization of the Coupled Wake Boundary Layer (CWBL) model for wind-farms that can be used to evaluate the performance of wind-farms under arbitrary wind inflow directions whereas the original CWBL model (Stevens et al., J. Renewable and Sustainable Energy 7, 023115 (2015)) focused on aligned or staggered wind-farms. The generalized CWBL approach combines an analytical Jensen wake model with a \"top-down\" boundary layer model coupled through an iterative determination of the wake expansion coefficient and an effective wake coverage area for which the velocity at hub-height obt","authors_text":"Charles Meneveau, Dennice F. Gayme, Richard J.A.M. Stevens","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-07-06T14:28:28Z","title":"Generalized coupled wake boundary layer model: applications and comparisons with field and LES data for two wind-farms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.01813","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":"sha256:9d0c646d2f091682cabab90fde94ebb512236e12ec2603dfa5590dfd08cbb198","target":"record","created_at":"2026-05-18T00:40:47Z","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":"f75feb18b24fea14133d252a7acfd7c9d334f64af28e0108b671c56654680313","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2017-07-06T14:28:28Z","title_canon_sha256":"6012b6e1be7d1848f070c65ce89ff35ed2b662cd622c5b13b034e5f914456849"},"schema_version":"1.0","source":{"id":"1707.01813","kind":"arxiv","version":1}},"canonical_sha256":"b6692c575afeb73498807c1100bd3cdd0a52c0d4e354e9ee7e00e0f7f7e0d8df","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6692c575afeb73498807c1100bd3cdd0a52c0d4e354e9ee7e00e0f7f7e0d8df","first_computed_at":"2026-05-18T00:40:47.353552Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:47.353552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5Ydg4fNMnV5okTs2AghQdyky0IJOSrbChPVyFK/Sr6EKs4LsntgIHrJDvTGVcMGVWl9LCv4eTlrin9zbwB+ADw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:47.354192Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.01813","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9d0c646d2f091682cabab90fde94ebb512236e12ec2603dfa5590dfd08cbb198","sha256:e9ad9afd60fcad1c15756d349eda07c7d9a0f9878d3b3bd599beb7a870560c3d"],"state_sha256":"3dfd50d292b6df4bad04977b51f38e073a7cc740d656a5a54b886eb75ab8579a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IkAyVIj7GSEklNB79GtLydayd2UNVXF0F44tnJEEzV7RlPyYjaC2T8CQZv44Kn/FqY0sUVVlW7jbHSB4EjQJCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T14:41:37.045889Z","bundle_sha256":"a3d6f3098231c38eb77a5b9cd1604dee5cb1ae01734e6668110b37b5532bec3f"}}