{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:DXFX4ZDWAEHJYNS5R6ILYG2N4M","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":"7c590d2bbf1339786e69ab216444bdb6b7d93ff39c9813c67ca8a15e25d6921e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-11-08T05:56:49Z","title_canon_sha256":"12ef69777af522b45fe0de3f4d51825bf145a5660b6c824912c65cc0bcb3b2b1"},"schema_version":"1.0","source":{"id":"cond-mat/0111127","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0111127","created_at":"2026-07-04T16:26:36Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0111127v2","created_at":"2026-07-04T16:26:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0111127","created_at":"2026-07-04T16:26:36Z"},{"alias_kind":"pith_short_12","alias_value":"DXFX4ZDWAEHJ","created_at":"2026-07-04T16:26:36Z"},{"alias_kind":"pith_short_16","alias_value":"DXFX4ZDWAEHJYNS5","created_at":"2026-07-04T16:26:36Z"},{"alias_kind":"pith_short_8","alias_value":"DXFX4ZDW","created_at":"2026-07-04T16:26:36Z"}],"graph_snapshots":[{"event_id":"sha256:77151249077a71b5cdc0de6f363202c3cbd8203dd2ddadcbfc01c96accfd8838","target":"graph","created_at":"2026-07-04T16:26:36Z","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/0111127/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A novel cuprate Volborthite, Cu3V2O7(OH)2-2H2O, containing an S-1/2 (Cu 2+ spin) kagome-like lattice is studied by magnetic susceptibility, specific heat, and 51 V NMR measurements. Signs for neither long-range order nor spin-gapped singlet ground states are detected down to 1.8 K, in spite of large antiferromagnetic couplings of ~100 K between Cu spins forming a two-dimensional kagome-like network. It is suggested that Volborthite represents a system close to a quantum critical point between classical long-range ordered and quantum disordered phases.","authors_text":"H. Takagi, M. Hanawa, M. Nohara, M. Takigawa, N. Kobayashi, Y. Kato, Z. Hiroi","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-11-08T05:56:49Z","title":"Spin-1/2 Kagome Like Lattice in Volborthite Cu3V2O7(OH)2-H2O"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0111127","kind":"arxiv","version":2},"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:dbf01074f549e2b163c90a24eaba70a45529e025d9673ecf712736fe19f3f022","target":"record","created_at":"2026-07-04T16:26:36Z","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":"7c590d2bbf1339786e69ab216444bdb6b7d93ff39c9813c67ca8a15e25d6921e","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2001-11-08T05:56:49Z","title_canon_sha256":"12ef69777af522b45fe0de3f4d51825bf145a5660b6c824912c65cc0bcb3b2b1"},"schema_version":"1.0","source":{"id":"cond-mat/0111127","kind":"arxiv","version":2}},"canonical_sha256":"1dcb7e6476010e9c365d8f90bc1b4de30ca3cddd721eb5227c773864a3f9b452","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1dcb7e6476010e9c365d8f90bc1b4de30ca3cddd721eb5227c773864a3f9b452","first_computed_at":"2026-07-04T16:26:36.814343Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:26:36.814343Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e7iVVu/4EWn5IyIb+GsiKZ3FvzOBZjW+b/gs6QTs1uIuL9l7Kf99Dr9oAkmYslPJ5ltHTqeZc5udu2nV6mLqBw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:26:36.814757Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0111127","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbf01074f549e2b163c90a24eaba70a45529e025d9673ecf712736fe19f3f022","sha256:77151249077a71b5cdc0de6f363202c3cbd8203dd2ddadcbfc01c96accfd8838"],"state_sha256":"3eb4837a86c6046645a41e7816b6af39d7c5b9d7280099b7b94b34df8a9d7f90"}