{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:C4B67Y33KFLCHBSKBWHVF4QB6B","short_pith_number":"pith:C4B67Y33","schema_version":"1.0","canonical_sha256":"1703efe37b515623864a0d8f52f201f0476e457950530c8c8c6f0550fa5db8f6","source":{"kind":"arxiv","id":"1405.0807","version":1},"attestation_state":"computed","paper":{"title":"Modeling extreme values of processes observed at irregular time steps: Application to significant wave height","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Jianfeng Yao, Nicolas Raillard, Pierre Ailliot","submitted_at":"2014-05-05T07:44:26Z","abstract_excerpt":"This work is motivated by the analysis of the extremal behavior of buoy and satellite data describing wave conditions in the North Atlantic Ocean. The available data sets consist of time series of significant wave height (Hs) with irregular time sampling. In such a situation, the usual statistical methods for analyzing extreme values cannot be used directly. The method proposed in this paper is an extension of the peaks over threshold (POT) method, where the distribution of a process above a high threshold is approximated by a max-stable process whose parameters are estimated by maximizing a c"},"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":"1405.0807","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2014-05-05T07:44:26Z","cross_cats_sorted":[],"title_canon_sha256":"708039bb9d8fc11fa1cc1873eeb6a2ab4bcaca4f2cc9f9af4f04a3281af44b62","abstract_canon_sha256":"7f103a9b346716027b93e0e22acd5f903b1e415555ea47cc210ef77f25f809c6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:42.036273Z","signature_b64":"nxJe4d0o8jeAj2yCghRJGtKxtP0yFyACM6poUGPz5Fx5IlZgJBsYMv+1jQG3lWP/wJmsK/kqs8iyCOgskVYQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1703efe37b515623864a0d8f52f201f0476e457950530c8c8c6f0550fa5db8f6","last_reissued_at":"2026-05-18T00:03:42.035695Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:42.035695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Modeling extreme values of processes observed at irregular time steps: Application to significant wave height","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Jianfeng Yao, Nicolas Raillard, Pierre Ailliot","submitted_at":"2014-05-05T07:44:26Z","abstract_excerpt":"This work is motivated by the analysis of the extremal behavior of buoy and satellite data describing wave conditions in the North Atlantic Ocean. The available data sets consist of time series of significant wave height (Hs) with irregular time sampling. In such a situation, the usual statistical methods for analyzing extreme values cannot be used directly. The method proposed in this paper is an extension of the peaks over threshold (POT) method, where the distribution of a process above a high threshold is approximated by a max-stable process whose parameters are estimated by maximizing a c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.0807","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":"1405.0807","created_at":"2026-05-18T00:03:42.035797+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.0807v1","created_at":"2026-05-18T00:03:42.035797+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.0807","created_at":"2026-05-18T00:03:42.035797+00:00"},{"alias_kind":"pith_short_12","alias_value":"C4B67Y33KFLC","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_16","alias_value":"C4B67Y33KFLCHBSK","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_8","alias_value":"C4B67Y33","created_at":"2026-05-18T12:28:22.404517+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/C4B67Y33KFLCHBSKBWHVF4QB6B","json":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B.json","graph_json":"https://pith.science/api/pith-number/C4B67Y33KFLCHBSKBWHVF4QB6B/graph.json","events_json":"https://pith.science/api/pith-number/C4B67Y33KFLCHBSKBWHVF4QB6B/events.json","paper":"https://pith.science/paper/C4B67Y33"},"agent_actions":{"view_html":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B","download_json":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B.json","view_paper":"https://pith.science/paper/C4B67Y33","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.0807&json=true","fetch_graph":"https://pith.science/api/pith-number/C4B67Y33KFLCHBSKBWHVF4QB6B/graph.json","fetch_events":"https://pith.science/api/pith-number/C4B67Y33KFLCHBSKBWHVF4QB6B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B/action/storage_attestation","attest_author":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B/action/author_attestation","sign_citation":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B/action/citation_signature","submit_replication":"https://pith.science/pith/C4B67Y33KFLCHBSKBWHVF4QB6B/action/replication_record"}},"created_at":"2026-05-18T00:03:42.035797+00:00","updated_at":"2026-05-18T00:03:42.035797+00:00"}