{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:PSAPOQGQTW6FBKPUTEFDAIJQAG","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":"460ff79ae4bfd97646a8d151fa7ac83f5a4e622ae5e5f63b7cfc7ae9a5ad0c25","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-04-28T09:01:51Z","title_canon_sha256":"34381c68139aa7c6b68c7c5c75bdd6303e9fd6a9d0da4804f3f79c5b710e3834"},"schema_version":"1.0","source":{"id":"0904.4338","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.4338","created_at":"2026-05-18T03:16:38Z"},{"alias_kind":"arxiv_version","alias_value":"0904.4338v1","created_at":"2026-05-18T03:16:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.4338","created_at":"2026-05-18T03:16:38Z"},{"alias_kind":"pith_short_12","alias_value":"PSAPOQGQTW6F","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"PSAPOQGQTW6FBKPU","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"PSAPOQGQ","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:e058cf7a18e26b9046c6b257f5196a3587f3b41c4391ee8c255002f5ac81ed63","target":"graph","created_at":"2026-05-18T03:16:38Z","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":"Among the various alkali oxides the sesquioxides Rb4O6 and Cs4O6 are of special interest. Electronic structure calculations using the local spin-density approximation predicted that Rb4O6 should be a half-metallic ferromagnet, which was later contradicted when an experimental investigation of the temperature dependent magnetization of Rb4O6 showed a low-temperature magnetic transition and differences between zero-field-cooled (ZFC) and field-cooled (FC) measurements. Such behavior is known from spin glasses and frustrated systems. Rb4O6 and Cs4O6 comprise two different types of dioxygen anions","authors_text":"Claudia Felser, Claus Muehle, Franziska Emmerling, Gerhard H. Fecher, Ivan Trojan, Juergen Kuebler, Juergen Winterlik, Martin Jansen, Mikhail I. Eremets, Sergey Medvedev, Taras Palasyuk","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-04-28T09:01:51Z","title":"Exotic magnetism in the alkali sesquoxides Rb4O6 and Cs4O6"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.4338","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:b43c315f66298e44b1e637c26f7664a17c286c58994e1282bae7b60b456c329b","target":"record","created_at":"2026-05-18T03:16:38Z","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":"460ff79ae4bfd97646a8d151fa7ac83f5a4e622ae5e5f63b7cfc7ae9a5ad0c25","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-04-28T09:01:51Z","title_canon_sha256":"34381c68139aa7c6b68c7c5c75bdd6303e9fd6a9d0da4804f3f79c5b710e3834"},"schema_version":"1.0","source":{"id":"0904.4338","kind":"arxiv","version":1}},"canonical_sha256":"7c80f740d09dbc50a9f4990a3021300197a55b593fe56f8502ffb77cca4bcf22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c80f740d09dbc50a9f4990a3021300197a55b593fe56f8502ffb77cca4bcf22","first_computed_at":"2026-05-18T03:16:38.944668Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:16:38.944668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5eS5lfjecbTfWcQUJbQCMZ0pae4A1/7Xok8N8sRAIjJ+jCt9eBBV81RZPLJ4dFd1Dyp8IAk2V43JS05pC1JbDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:16:38.945577Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.4338","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b43c315f66298e44b1e637c26f7664a17c286c58994e1282bae7b60b456c329b","sha256:e058cf7a18e26b9046c6b257f5196a3587f3b41c4391ee8c255002f5ac81ed63"],"state_sha256":"f8ca40c29775d7cb4bfa80fa85140ceb1b688ad1cedb76c5086ff15dba52c670"}