{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:EWOM5WAIGOIGUN26IXVAWIOQDL","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":"ee30663e5f553b42976a6e646f7b06017bed78dc79876d246a696c0102d6e699","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-05-08T04:18:54Z","title_canon_sha256":"2a0ed3e29a2486b66ef7b87002e3c3cd4ac51bc0425a4334615e82e244aed4bd"},"schema_version":"1.0","source":{"id":"cond-mat/9805095","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/9805095","created_at":"2026-07-04T14:23:06Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/9805095v1","created_at":"2026-07-04T14:23:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/9805095","created_at":"2026-07-04T14:23:06Z"},{"alias_kind":"pith_short_12","alias_value":"EWOM5WAIGOIG","created_at":"2026-07-04T14:23:06Z"},{"alias_kind":"pith_short_16","alias_value":"EWOM5WAIGOIGUN26","created_at":"2026-07-04T14:23:06Z"},{"alias_kind":"pith_short_8","alias_value":"EWOM5WAI","created_at":"2026-07-04T14:23:06Z"}],"graph_snapshots":[{"event_id":"sha256:2f3ff285f52e8a4d998dd5e2bdf168c48e53ec06bd53667a3f9a5be94cb0fe2d","target":"graph","created_at":"2026-07-04T14:23:06Z","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/cond-mat/9805095/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have measured the magnetic susceptibility of single-crystal Cu_{1-x}Ni_xGeO_3 to study doping effects of the magnetic impurity (Ni^{2+} has S=1 spin) on the inorganic spin-Peierls (SP) material CuGeO_3. We observed the disappearance of the SP transition and the abrupt increase of the Neel temperature from 2.5 to 3.4 K at x nearly equal to 0.020, which indicates the first-order phase transition between the dimerized-antiferromagnetic (D-AF) and the uniform-antiferromagnetic (U-AF) phases, as was discovered in Mg-doped (Mg^{2+} is nonmagnetic) system [T. Masuda et al., Phys. Rev. Lett. 80, 45","authors_text":"H. Ishimoto, K. Manabe, K. Uchinokura, N. Koide, T. Hayashi, T. Masuda, Y. Sasago, Y. Uchiyama","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-05-08T04:18:54Z","title":"Similarity and Difference between Magnetic- and Nonmagnetic-Impurity Effects in Spin-Peierls Cuprate CuGeO_3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/9805095","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:ed30e37a83bbc0892f309f75fce9f0f8c7d874eb8dec21c7e3716bbd48d32b70","target":"record","created_at":"2026-07-04T14:23:06Z","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":"ee30663e5f553b42976a6e646f7b06017bed78dc79876d246a696c0102d6e699","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"1998-05-08T04:18:54Z","title_canon_sha256":"2a0ed3e29a2486b66ef7b87002e3c3cd4ac51bc0425a4334615e82e244aed4bd"},"schema_version":"1.0","source":{"id":"cond-mat/9805095","kind":"arxiv","version":1}},"canonical_sha256":"259cced80833906a375e45ea0b21d01afe76bfcc25feecafe75eb2999d0225cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"259cced80833906a375e45ea0b21d01afe76bfcc25feecafe75eb2999d0225cd","first_computed_at":"2026-07-04T14:23:06.311933Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:23:06.311933Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+nhafDphoiVoFPitp6hLN5oALIcSZ2gb+02AAVAE01awQHUjibsa/OALRlUXIw0DMUmprrNE+/KXyo2C4A1XAA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:23:06.312394Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/9805095","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ed30e37a83bbc0892f309f75fce9f0f8c7d874eb8dec21c7e3716bbd48d32b70","sha256:2f3ff285f52e8a4d998dd5e2bdf168c48e53ec06bd53667a3f9a5be94cb0fe2d"],"state_sha256":"4c63ff6f9cb5d714d72a271dcfd8dc25f9c933f4c1a17ba80fda9b202fe1b32a"}