{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:VGPZ2GC5BMVBNS7GSMYDS6OIJK","short_pith_number":"pith:VGPZ2GC5","schema_version":"1.0","canonical_sha256":"a99f9d185d0b2a16cbe693303979c84aa6bb7734a6aa0effb62458d424701aab","source":{"kind":"arxiv","id":"2504.15793","version":1},"attestation_state":"computed","paper":{"title":"A Point-Hyperplane Geometry Method for Operational Security Region of Renewable Energy Generation in Power Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Biao Li, Can Wan, Ping Ju, Xuejun Hu, Yunyi Li","submitted_at":"2025-04-22T11:12:55Z","abstract_excerpt":"The rapid growth of renewable energy generation challenges the secure operation of power systems. It becomes crucial to quantify the critical security boundaries and hosting capability of renewable generation at the system operation level. This paper proposes a novel point-hyperplane geometry (PHG) method to accurately obtain the geometric expression of the operational security region of renewable energy generation for power systems. Firstly, the geometric expression of the operational security region is defined as a polytope of boundary hyperplanes in the form of inequalities satisfying the s"},"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":"2504.15793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.SY","submitted_at":"2025-04-22T11:12:55Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"c2748ac02f3f8de26ca5c06f06139ba4f2d897b79b8bacd7a0da4b6529cba6a2","abstract_canon_sha256":"348eb1566ec278c1555f72932ebe734b782c820a4b6466711e7df1264b41ec32"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:52:30.077606Z","signature_b64":"RsLiU8UzEKCOqBzUPwgDLiDwmnbhJ77BOqUxDk8T3ATL7a/gkDJuBoccNa7JdcqsE6xtQ77JC7mRYPmHlgVFCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a99f9d185d0b2a16cbe693303979c84aa6bb7734a6aa0effb62458d424701aab","last_reissued_at":"2026-07-05T10:52:30.077111Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:52:30.077111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Point-Hyperplane Geometry Method for Operational Security Region of Renewable Energy Generation in Power Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Biao Li, Can Wan, Ping Ju, Xuejun Hu, Yunyi Li","submitted_at":"2025-04-22T11:12:55Z","abstract_excerpt":"The rapid growth of renewable energy generation challenges the secure operation of power systems. It becomes crucial to quantify the critical security boundaries and hosting capability of renewable generation at the system operation level. This paper proposes a novel point-hyperplane geometry (PHG) method to accurately obtain the geometric expression of the operational security region of renewable energy generation for power systems. Firstly, the geometric expression of the operational security region is defined as a polytope of boundary hyperplanes in the form of inequalities satisfying the s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.15793","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2504.15793/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2504.15793","created_at":"2026-07-05T10:52:30.077170+00:00"},{"alias_kind":"arxiv_version","alias_value":"2504.15793v1","created_at":"2026-07-05T10:52:30.077170+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.15793","created_at":"2026-07-05T10:52:30.077170+00:00"},{"alias_kind":"pith_short_12","alias_value":"VGPZ2GC5BMVB","created_at":"2026-07-05T10:52:30.077170+00:00"},{"alias_kind":"pith_short_16","alias_value":"VGPZ2GC5BMVBNS7G","created_at":"2026-07-05T10:52:30.077170+00:00"},{"alias_kind":"pith_short_8","alias_value":"VGPZ2GC5","created_at":"2026-07-05T10:52:30.077170+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/VGPZ2GC5BMVBNS7GSMYDS6OIJK","json":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK.json","graph_json":"https://pith.science/api/pith-number/VGPZ2GC5BMVBNS7GSMYDS6OIJK/graph.json","events_json":"https://pith.science/api/pith-number/VGPZ2GC5BMVBNS7GSMYDS6OIJK/events.json","paper":"https://pith.science/paper/VGPZ2GC5"},"agent_actions":{"view_html":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK","download_json":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK.json","view_paper":"https://pith.science/paper/VGPZ2GC5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2504.15793&json=true","fetch_graph":"https://pith.science/api/pith-number/VGPZ2GC5BMVBNS7GSMYDS6OIJK/graph.json","fetch_events":"https://pith.science/api/pith-number/VGPZ2GC5BMVBNS7GSMYDS6OIJK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK/action/storage_attestation","attest_author":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK/action/author_attestation","sign_citation":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK/action/citation_signature","submit_replication":"https://pith.science/pith/VGPZ2GC5BMVBNS7GSMYDS6OIJK/action/replication_record"}},"created_at":"2026-07-05T10:52:30.077170+00:00","updated_at":"2026-07-05T10:52:30.077170+00:00"}