{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7O6RSW4FGPAVIEJBPLEBN53OUY","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":"b40b9977c77db93990833424dfaef4c785f3da1819bdae5876c69d71e21ae714","cross_cats_sorted":["cond-mat.mes-hall","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-23T15:19:15Z","title_canon_sha256":"f449de4d4afc129a589eb674c4338d008b3c83cd574489eae8867c79d96e3c91"},"schema_version":"1.0","source":{"id":"1501.05827","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05827","created_at":"2026-05-18T02:19:27Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05827v1","created_at":"2026-05-18T02:19:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05827","created_at":"2026-05-18T02:19:27Z"},{"alias_kind":"pith_short_12","alias_value":"7O6RSW4FGPAV","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7O6RSW4FGPAVIEJB","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7O6RSW4F","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:73e18ba914f44c052efe8d2e140d5cff2cd0a7f8f4f9304b1fe5b65b22457903","target":"graph","created_at":"2026-05-18T02:19:27Z","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 propose an extension of the numerical approach for integrable Richardson-Gaudin models based on a new set of eigenvalue-based variables. Starting solely from the Gaudin algebra, the approach is generalized towards the full class of XXZ Richardson-Gaudin models. This allows for a fast and robust numerical determination of the spectral properties of these models, avoiding the singularities usually arising at the so-called singular points. We also provide different determinant expressions for the normalization of the Bethe Ansatz states and form factors of local spin operators, opening up poss","authors_text":"Dimitri Van Neck, Mario Van Raemdonck, Pieter W. Claeys, Stijn De Baerdemacker","cross_cats":["cond-mat.mes-hall","math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-23T15:19:15Z","title":"An eigenvalue-based method and determinant representations for general integrable XXZ Richardson-Gaudin models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05827","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":"sha256:54392d665f9ba361dd92c4e06909d99f8d4b633a3c527ac7791fac16e0c866a7","target":"record","created_at":"2026-05-18T02:19:27Z","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":"b40b9977c77db93990833424dfaef4c785f3da1819bdae5876c69d71e21ae714","cross_cats_sorted":["cond-mat.mes-hall","math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-01-23T15:19:15Z","title_canon_sha256":"f449de4d4afc129a589eb674c4338d008b3c83cd574489eae8867c79d96e3c91"},"schema_version":"1.0","source":{"id":"1501.05827","kind":"arxiv","version":1}},"canonical_sha256":"fbbd195b8533c15411217ac816f76ea6081b49326841084a6967138c05c46cc2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fbbd195b8533c15411217ac816f76ea6081b49326841084a6967138c05c46cc2","first_computed_at":"2026-05-18T02:19:27.714639Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:27.714639Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rpNYKhSmY5KQ6F2iGAzJhD1TJtLzdzlaP9wD1nrqsQDJ2kQbUH6qOIYYQeSRInCym3lsvmhlPHMbbkuYukBoBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:27.715379Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.05827","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54392d665f9ba361dd92c4e06909d99f8d4b633a3c527ac7791fac16e0c866a7","sha256:73e18ba914f44c052efe8d2e140d5cff2cd0a7f8f4f9304b1fe5b65b22457903"],"state_sha256":"878b2d18c3b0e78099435aa0f0d929343c9915da964a410d8c1ae6817a9b413c"}