{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AU373QEAFJ2NLWYYDR6KMLLH5X","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":"3537ff752ac14ba6f4ad78f6b51f06a5193cffbb43a97a23f38eb235715ab15e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-24T04:27:30Z","title_canon_sha256":"b4a6348ef66a962b38708f87282f649eb0d8f5a07194ac315923e103a705f9e9"},"schema_version":"1.0","source":{"id":"2605.24857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.24857","created_at":"2026-05-26T01:04:01Z"},{"alias_kind":"arxiv_version","alias_value":"2605.24857v1","created_at":"2026-05-26T01:04:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.24857","created_at":"2026-05-26T01:04:01Z"},{"alias_kind":"pith_short_12","alias_value":"AU373QEAFJ2N","created_at":"2026-05-26T01:04:01Z"},{"alias_kind":"pith_short_16","alias_value":"AU373QEAFJ2NLWYY","created_at":"2026-05-26T01:04:01Z"},{"alias_kind":"pith_short_8","alias_value":"AU373QEA","created_at":"2026-05-26T01:04:01Z"}],"graph_snapshots":[{"event_id":"sha256:c9f3dc796c53a3d37dc2e803bc74efcb96559ff7fbf0055309f28441f7450393","target":"graph","created_at":"2026-05-26T01:04:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2605.24857/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Determining the spin Hamiltonian of a magnetic compound is crucial for understanding its magnetic properties. A standard approach is to derive model parameters from $ab$ $initio$ calculations based on the crystal structure. However, the resulting Hamiltonian can depend sensitively on methodological details of the $ab$ $initio$ procedure. This issue is particularly evident in $\\alpha$-RuCl$_3$, a candidate Kitaev material. Here, we present an alternative, data-driven approach to determine the spin Hamiltonian parameters of $\\alpha$-RuCl$_3$ by Bayesian optimization of experimental magnetization","authors_text":"Kazuyoshi Yoshimi, Ryo Tamura, Takahiro Misawa, Youhei Yamaji","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-24T04:27:30Z","title":"Revisiting spin Hamiltonian parameters in a Kitaev material via Bayesian optimization of magnetization curves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.24857","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:b1f3e09cfc9c2607dcf4260bf9d54dce7638ec194934f259d1d7d8f7da310b3c","target":"record","created_at":"2026-05-26T01:04:01Z","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":"3537ff752ac14ba6f4ad78f6b51f06a5193cffbb43a97a23f38eb235715ab15e","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-24T04:27:30Z","title_canon_sha256":"b4a6348ef66a962b38708f87282f649eb0d8f5a07194ac315923e103a705f9e9"},"schema_version":"1.0","source":{"id":"2605.24857","kind":"arxiv","version":1}},"canonical_sha256":"0537fdc0802a74d5db181c7ca62d67eddac1949c4d25edbf1c8dcfc0142409d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0537fdc0802a74d5db181c7ca62d67eddac1949c4d25edbf1c8dcfc0142409d9","first_computed_at":"2026-05-26T01:04:01.948517Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:04:01.948517Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CR7egsYXzctzNZkMtxOFNH457Bj7Sw95gelu0Y7pvcc8q5vSGd7sxfvTPOdiXcmS7vevkqg6ad6wE5VKKt2GBQ==","signature_status":"signed_v1","signed_at":"2026-05-26T01:04:01.949260Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.24857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b1f3e09cfc9c2607dcf4260bf9d54dce7638ec194934f259d1d7d8f7da310b3c","sha256:c9f3dc796c53a3d37dc2e803bc74efcb96559ff7fbf0055309f28441f7450393"],"state_sha256":"76d0cdf356b661c4d9fe98151d77f29142eb3753b8c386a32b2114f9728aeb23"}