{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:YVDCAHUWBVKTYXCC2VW7NBGSX4","short_pith_number":"pith:YVDCAHUW","canonical_record":{"source":{"id":"1110.0260","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-03T03:38:20Z","cross_cats_sorted":[],"title_canon_sha256":"f93aa49871ecaf6f34b416f48318e8e5af16403464ba047edf335821d9c3188a","abstract_canon_sha256":"7063182f9c448a9f86f539c3b37659b7cc643420b1b3da4d4ebe95f435cb0f30"},"schema_version":"1.0"},"canonical_sha256":"c546201e960d553c5c42d56df684d2bf255736df65b0a1e2a5d568f734d60e78","source":{"kind":"arxiv","id":"1110.0260","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.0260","created_at":"2026-05-18T00:29:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.0260v2","created_at":"2026-05-18T00:29:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.0260","created_at":"2026-05-18T00:29:16Z"},{"alias_kind":"pith_short_12","alias_value":"YVDCAHUWBVKT","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YVDCAHUWBVKTYXCC","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YVDCAHUW","created_at":"2026-05-18T12:26:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:YVDCAHUWBVKTYXCC2VW7NBGSX4","target":"record","payload":{"canonical_record":{"source":{"id":"1110.0260","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-03T03:38:20Z","cross_cats_sorted":[],"title_canon_sha256":"f93aa49871ecaf6f34b416f48318e8e5af16403464ba047edf335821d9c3188a","abstract_canon_sha256":"7063182f9c448a9f86f539c3b37659b7cc643420b1b3da4d4ebe95f435cb0f30"},"schema_version":"1.0"},"canonical_sha256":"c546201e960d553c5c42d56df684d2bf255736df65b0a1e2a5d568f734d60e78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:16.119687Z","signature_b64":"Rpm0uhc6vp/2QYuTvMbSRbgD2ClFftT8GNLlsKyeHNPBZ9qD2GkxM4VQI71Qt/fwwpdKnt7LFkrF8LeoHfcjBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c546201e960d553c5c42d56df684d2bf255736df65b0a1e2a5d568f734d60e78","last_reissued_at":"2026-05-18T00:29:16.119025Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:16.119025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.0260","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:29:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"foDoodDm+c5v3fjbWSfdFIGn0xD3o1epg271AT43lhCE3VnPKacMfRZcqNfZ3X0j0tawmY/FtPH7Ab6tCylyAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:31:10.842829Z"},"content_sha256":"3197374522604a5658c1d00513b40a302535109b8b22196c9403ddaf4a94d294","schema_version":"1.0","event_id":"sha256:3197374522604a5658c1d00513b40a302535109b8b22196c9403ddaf4a94d294"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:YVDCAHUWBVKTYXCC2VW7NBGSX4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-field Phase Diagram and Spin Structure of Volborthite Cu3V2O7(OH)2/2H2O","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Claude Berthier, Hiroyuki Yoshida, Makoto Yoshida, Masashi Takigawa, Mladen Horvatic, Steffen Kramer, Sutirtha Mukhopadhyay, Yoshihiko Okamoto, Zenji Hiroi","submitted_at":"2011-10-03T03:38:20Z","abstract_excerpt":"We report results of 51V NMR experiments on a high-quality powder sample of volborthite Cu3V2O7(OH)2/2H2O, a spin-1/2 Heisenberg antiferromagnet on a distorted kagome lattice. Following the previous experiments in magnetic fields $B$ below 12 T, the NMR measurements have been extended to higher fields up to 31 T. In addition to the two already known ordered phases (phases I and II), we found a new high-field phase (phase III) above 25 T, at which a second magnetization step has been observed. The transition from the paramagnetic phase to the antiferromagnetic phase III occurs at 26 K, which is"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.0260","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:29:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"443Q8qz4tMYQ/3XLSf2VHZb5YstCxpqBSpiDm/vmdD4nrDnTsXhWucm3DerC4/2zqd4zaIZ6mu9KiTLX/Gm8CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:31:10.843244Z"},"content_sha256":"7f440cf54df60f814152decadfefd541e4a3cb431a3f8f78f80752d48446a1cc","schema_version":"1.0","event_id":"sha256:7f440cf54df60f814152decadfefd541e4a3cb431a3f8f78f80752d48446a1cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YVDCAHUWBVKTYXCC2VW7NBGSX4/bundle.json","state_url":"https://pith.science/pith/YVDCAHUWBVKTYXCC2VW7NBGSX4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YVDCAHUWBVKTYXCC2VW7NBGSX4/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-02T14:31:10Z","links":{"resolver":"https://pith.science/pith/YVDCAHUWBVKTYXCC2VW7NBGSX4","bundle":"https://pith.science/pith/YVDCAHUWBVKTYXCC2VW7NBGSX4/bundle.json","state":"https://pith.science/pith/YVDCAHUWBVKTYXCC2VW7NBGSX4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YVDCAHUWBVKTYXCC2VW7NBGSX4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:YVDCAHUWBVKTYXCC2VW7NBGSX4","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":"7063182f9c448a9f86f539c3b37659b7cc643420b1b3da4d4ebe95f435cb0f30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-03T03:38:20Z","title_canon_sha256":"f93aa49871ecaf6f34b416f48318e8e5af16403464ba047edf335821d9c3188a"},"schema_version":"1.0","source":{"id":"1110.0260","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.0260","created_at":"2026-05-18T00:29:16Z"},{"alias_kind":"arxiv_version","alias_value":"1110.0260v2","created_at":"2026-05-18T00:29:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.0260","created_at":"2026-05-18T00:29:16Z"},{"alias_kind":"pith_short_12","alias_value":"YVDCAHUWBVKT","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_16","alias_value":"YVDCAHUWBVKTYXCC","created_at":"2026-05-18T12:26:47Z"},{"alias_kind":"pith_short_8","alias_value":"YVDCAHUW","created_at":"2026-05-18T12:26:47Z"}],"graph_snapshots":[{"event_id":"sha256:7f440cf54df60f814152decadfefd541e4a3cb431a3f8f78f80752d48446a1cc","target":"graph","created_at":"2026-05-18T00:29:16Z","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 report results of 51V NMR experiments on a high-quality powder sample of volborthite Cu3V2O7(OH)2/2H2O, a spin-1/2 Heisenberg antiferromagnet on a distorted kagome lattice. Following the previous experiments in magnetic fields $B$ below 12 T, the NMR measurements have been extended to higher fields up to 31 T. In addition to the two already known ordered phases (phases I and II), we found a new high-field phase (phase III) above 25 T, at which a second magnetization step has been observed. The transition from the paramagnetic phase to the antiferromagnetic phase III occurs at 26 K, which is","authors_text":"Claude Berthier, Hiroyuki Yoshida, Makoto Yoshida, Masashi Takigawa, Mladen Horvatic, Steffen Kramer, Sutirtha Mukhopadhyay, Yoshihiko Okamoto, Zenji Hiroi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-03T03:38:20Z","title":"High-field Phase Diagram and Spin Structure of Volborthite Cu3V2O7(OH)2/2H2O"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.0260","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":"sha256:3197374522604a5658c1d00513b40a302535109b8b22196c9403ddaf4a94d294","target":"record","created_at":"2026-05-18T00:29:16Z","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":"7063182f9c448a9f86f539c3b37659b7cc643420b1b3da4d4ebe95f435cb0f30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-03T03:38:20Z","title_canon_sha256":"f93aa49871ecaf6f34b416f48318e8e5af16403464ba047edf335821d9c3188a"},"schema_version":"1.0","source":{"id":"1110.0260","kind":"arxiv","version":2}},"canonical_sha256":"c546201e960d553c5c42d56df684d2bf255736df65b0a1e2a5d568f734d60e78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c546201e960d553c5c42d56df684d2bf255736df65b0a1e2a5d568f734d60e78","first_computed_at":"2026-05-18T00:29:16.119025Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:16.119025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Rpm0uhc6vp/2QYuTvMbSRbgD2ClFftT8GNLlsKyeHNPBZ9qD2GkxM4VQI71Qt/fwwpdKnt7LFkrF8LeoHfcjBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:16.119687Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.0260","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3197374522604a5658c1d00513b40a302535109b8b22196c9403ddaf4a94d294","sha256:7f440cf54df60f814152decadfefd541e4a3cb431a3f8f78f80752d48446a1cc"],"state_sha256":"fd49db8e92eb260c370459a8e5363af016f474337237791db55abf9c9973861c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oUvytqt20tBucfzhWfhWNi+TUQ+zkiXeKi6Bn3XkAYNBTPjxnLFq56aEEeGGQoR7xEOp1gEXuolRwmase9BECw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:31:10.845482Z","bundle_sha256":"54dc1aeaafe305e84912760df6dec3b6876b825c9b6ca75236fe048a8478ef16"}}