{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:J2TVJONFRKHOW4UVWY3GJEGXEQ","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":"f894c65ff85230025c501994df1fac132cc63f2b392676a4cffce8f4f995c132","cross_cats_sorted":["physics.ao-ph","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-02-08T03:15:24Z","title_canon_sha256":"25767fca2d4ea91d57ea73e3a67a1bb0d8c50de9f33ca117536386d437cff34f"},"schema_version":"1.0","source":{"id":"2602.10136","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2602.10136","created_at":"2026-06-02T01:03:42Z"},{"alias_kind":"arxiv_version","alias_value":"2602.10136v2","created_at":"2026-06-02T01:03:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2602.10136","created_at":"2026-06-02T01:03:42Z"},{"alias_kind":"pith_short_12","alias_value":"J2TVJONFRKHO","created_at":"2026-06-02T01:03:42Z"},{"alias_kind":"pith_short_16","alias_value":"J2TVJONFRKHOW4UV","created_at":"2026-06-02T01:03:42Z"},{"alias_kind":"pith_short_8","alias_value":"J2TVJONF","created_at":"2026-06-02T01:03:42Z"}],"graph_snapshots":[{"event_id":"sha256:7deaaea0dab5491bd24acfea70a8eedc7aed211fbd37c6f28cf0fdbc7fb8167f","target":"graph","created_at":"2026-06-02T01:03:42Z","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":4,"items":[{"attestation":"unclaimed","claim_id":"C1","kind":"strongest_claim","source":"verdict.strongest_claim","status":"machine_extracted","text":"We report the presence of universal, collective, and nonlinear correlations, responsible for the excess persistency and intermittency of farm-aggregated power output."},{"attestation":"unclaimed","claim_id":"C2","kind":"weakest_assumption","source":"verdict.weakest_assumption","status":"machine_extracted","text":"That the identified correlations are truly nonlinear and collective in origin and directly responsible for the observed excess persistency and intermittency, rather than arising from unaccounted confounding factors such as weather or measurement artifacts."},{"attestation":"unclaimed","claim_id":"C3","kind":"one_line_summary","source":"verdict.one_line_summary","status":"machine_extracted","text":"Wind power fluctuations in an 80-turbine farm show universal collective and nonlinear correlations that drive excess persistency and intermittency in aggregated output, revealed by a dynamical scaling transition and long-range non-Gaussian correlations."},{"attestation":"unclaimed","claim_id":"C4","kind":"headline","source":"verdict.pith_extraction.headline","status":"machine_extracted","text":"Universal collective nonlinear correlations in wind turbine outputs drive excess persistency and intermittency in farm-aggregated power."}],"snapshot_sha256":"53139466995c19151bebf2ee545278fa7d76f4100f370996aecbdf05ac72e0d0"},"formal_canon":{"evidence_count":2,"snapshot_sha256":"5b6108bfe5028192601324ecae7cf94f8999f7ac1c9814645931ba7964bfdd7a"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2602.10136/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe the correlation structure of wind power fluctuations in a farm of 80 turbines, sampled over 5 years. We report the presence of universal, collective, and nonlinear correlations, responsible for the excess persistency and intermittency of farm-aggregated power output. A first cross-correlation analysis of turbine production reveals a dynamical scaling transition (\\`a la Family-Vicszek) from local decoherence to large-scale turbulence-driven scaling, and responsible for the geographical smoothing effect, previously reported beyond farm scale [M. M. Bandi, Phys. Rev. Lett. 118, 028301","authors_text":"J. E. Sardonia, M. M. Bandi, Samy E. Lakhal","cross_cats":["physics.ao-ph","physics.data-an"],"headline":"Universal collective nonlinear correlations in wind turbine outputs drive excess persistency and intermittency in farm-aggregated power.","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-02-08T03:15:24Z","title":"Collective and nonlinear structure of wind power correlations"},"references":{"count":77,"internal_anchors":0,"resolved_work":77,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"M. M. Bandi, Spectrum of wind power fluctuations, Phys. Rev. Lett.118, 028301 (2017)","work_id":"fbe29c41-4960-405d-9963-17ef5241e2ed","year":2017},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"R. Wiser, Z. Yang, M. Hand, O. Hohmeyer, D. In- field, P. E. H. Jensen, V. Nikolaev, M. O’Malley, G. Sinden, and A. Zervos, Wind energy, inIPCC Spe- cial Report on Renewable Energy Sources and Climate","work_id":"d3b60bd7-b096-4144-b1ab-14def1bbdfd3","year":2011},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"J. Peinke, S. Barth, F. B¨ ottcher, D. Heinemann, and B. Lange, Turbulence, a challenging problem for wind energy, Physica A: Statistical Mechanics and its Appli- cations338, 187 (2004)","work_id":"7eea5ad8-103f-43c0-a48b-daf3f78e387f","year":2004},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"J. F. Manwell, J. G. McGowan, and A. L. Rogers,Wind energy explained: theory, design and application(John Wiley & Sons, 2010)","work_id":"0a08db7b-cf91-4a3c-8040-3db0d2e47028","year":2010},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"K. Klima, J. Apt, M. Bandi, P. Happy, C. Loutan, and R. Young, Geographic smoothing of solar photovoltaic electric power production in the western usa, Journal of Renewable and Sustainable Energy10, 0","work_id":"88c53fb2-f468-4897-95a2-1783c158bf3f","year":2018}],"snapshot_sha256":"a4922ce68be21deb1ffa65f3a85167bee2f826fdde96fb4467ce8469992dabc1"},"source":{"id":"2602.10136","kind":"arxiv","version":2},"verdict":{"created_at":"2026-05-16T06:54:37.234194Z","id":"99030936-69a3-4979-a369-d4164325b228","model_set":{"reader":"grok-4.3"},"one_line_summary":"Wind power fluctuations in an 80-turbine farm show universal collective and nonlinear correlations that drive excess persistency and intermittency in aggregated output, revealed by a dynamical scaling transition and long-range non-Gaussian correlations.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Universal collective nonlinear correlations in wind turbine outputs drive excess persistency and intermittency in farm-aggregated power.","strongest_claim":"We report the presence of universal, collective, and nonlinear correlations, responsible for the excess persistency and intermittency of farm-aggregated power output.","weakest_assumption":"That the identified correlations are truly nonlinear and collective in origin and directly responsible for the observed excess persistency and intermittency, rather than arising from unaccounted confounding factors such as weather or measurement artifacts."}},"verdict_id":"99030936-69a3-4979-a369-d4164325b228"}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:157447ccf5252d08c0dd295391af3f41e0d161c6a06a1776630b595d2694dec4","target":"record","created_at":"2026-06-02T01:03:42Z","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":"f894c65ff85230025c501994df1fac132cc63f2b392676a4cffce8f4f995c132","cross_cats_sorted":["physics.ao-ph","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2026-02-08T03:15:24Z","title_canon_sha256":"25767fca2d4ea91d57ea73e3a67a1bb0d8c50de9f33ca117536386d437cff34f"},"schema_version":"1.0","source":{"id":"2602.10136","kind":"arxiv","version":2}},"canonical_sha256":"4ea754b9a58a8eeb7295b6366490d7242070bd80f7a95a89fceb933b44c4c36e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ea754b9a58a8eeb7295b6366490d7242070bd80f7a95a89fceb933b44c4c36e","first_computed_at":"2026-06-02T01:03:42.762732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T01:03:42.762732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rn9ItDkXTcTL7HwcdaoMzbCAq/TrISnHaZgiuS/Alm2gx7ToXnwl8GoVnAXEASquvyQZGkG9elhSj6APgtGXCQ==","signature_status":"signed_v1","signed_at":"2026-06-02T01:03:42.763240Z","signed_message":"canonical_sha256_bytes"},"source_id":"2602.10136","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:157447ccf5252d08c0dd295391af3f41e0d161c6a06a1776630b595d2694dec4","sha256:7deaaea0dab5491bd24acfea70a8eedc7aed211fbd37c6f28cf0fdbc7fb8167f"],"state_sha256":"152e1bea788d575c564ab2b49dc435f807b2d85bdbcd156541e70c981e1910b1"}