{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BLOBC2NPBLDEQZBZFKDKNLC22Q","short_pith_number":"pith:BLOBC2NP","canonical_record":{"source":{"id":"1103.2457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-03-12T16:19:00Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"10ec1e6285c2214ad6f2325de8fb111c1a4892e7504b3898b79a7d1e7cafbc06","abstract_canon_sha256":"9110b296cbd2c69b2e2a503828ec3ee0c8fc655291c0e06d274cdb6e50d4636d"},"schema_version":"1.0"},"canonical_sha256":"0adc1169af0ac64864392a86a6ac5ad427887a9379ae9de1746d863ddee59970","source":{"kind":"arxiv","id":"1103.2457","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2457","created_at":"2026-05-18T04:16:43Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2457v2","created_at":"2026-05-18T04:16:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2457","created_at":"2026-05-18T04:16:43Z"},{"alias_kind":"pith_short_12","alias_value":"BLOBC2NPBLDE","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BLOBC2NPBLDEQZBZ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BLOBC2NP","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BLOBC2NPBLDEQZBZFKDKNLC22Q","target":"record","payload":{"canonical_record":{"source":{"id":"1103.2457","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-03-12T16:19:00Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"10ec1e6285c2214ad6f2325de8fb111c1a4892e7504b3898b79a7d1e7cafbc06","abstract_canon_sha256":"9110b296cbd2c69b2e2a503828ec3ee0c8fc655291c0e06d274cdb6e50d4636d"},"schema_version":"1.0"},"canonical_sha256":"0adc1169af0ac64864392a86a6ac5ad427887a9379ae9de1746d863ddee59970","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:43.481171Z","signature_b64":"0uEL19EgnOojcpsmvuo7Wy+vcMLVG4S006JUYQ71PvRE+L2JhRb5gLiR6uguP16scRx5vQKRwDa40d//5zLQDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0adc1169af0ac64864392a86a6ac5ad427887a9379ae9de1746d863ddee59970","last_reissued_at":"2026-05-18T04:16:43.480541Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:43.480541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.2457","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":"2026-05-18T04:16:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2sLNkFQWRG+svHJvvN729l8y2zNr68RzSneXaYEm4t3maxbMXYY9e2ai9EnDavCFj43t9GihHXzeAYOSvH/FAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:09:44.480855Z"},"content_sha256":"d810b1da778300c30616470fe45094260289c5ffc622c3fc04eb9065f7e4c782","schema_version":"1.0","event_id":"sha256:d810b1da778300c30616470fe45094260289c5ffc622c3fc04eb9065f7e4c782"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BLOBC2NPBLDEQZBZFKDKNLC22Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local Spin Susceptibility of the S=1/2 Kagome Lattice in ZnCu3(OD)6Cl2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.str-el","authors_text":"M. Fu, T. H. Han, T. Imai, Y. S. Lee","submitted_at":"2011-03-12T16:19:00Z","abstract_excerpt":"We report single-crystal 2-D NMR investigation of the nearly ideal spin S=1/2 kagome lattice ZnCu3(OD)6Cl2. We successfully identify 2-D NMR signals originating from the nearest-neighbors of Cu2+ defects occupying Zn sites. From the 2-D Knight shift measurements, we demonstrate that weakly interacting Cu2+ spins at these defects cause the large Curie-Weiss enhancement toward T=0 commonly observed in the bulk susceptibility data. We estimate the intrinsic spin susceptibility of the kagome planes by subtracting defect contributions, and explore several scenarios."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2457","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":"2026-05-18T04:16:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n41KzDw0sgZAWxQVy9rXVon977aT/Q4DEOfx+dGkhFZFC8UlgPmI2AtZFdQx++ZKEG6/MLuzJOiRlKUQ0B38BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T20:09:44.481849Z"},"content_sha256":"521eec573d5f73f6f45c1f0b5ed6b34de99b0f9c8b7d5a31db3c080a76fc87fd","schema_version":"1.0","event_id":"sha256:521eec573d5f73f6f45c1f0b5ed6b34de99b0f9c8b7d5a31db3c080a76fc87fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BLOBC2NPBLDEQZBZFKDKNLC22Q/bundle.json","state_url":"https://pith.science/pith/BLOBC2NPBLDEQZBZFKDKNLC22Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BLOBC2NPBLDEQZBZFKDKNLC22Q/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":"2026-05-31T20:09:44Z","links":{"resolver":"https://pith.science/pith/BLOBC2NPBLDEQZBZFKDKNLC22Q","bundle":"https://pith.science/pith/BLOBC2NPBLDEQZBZFKDKNLC22Q/bundle.json","state":"https://pith.science/pith/BLOBC2NPBLDEQZBZFKDKNLC22Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BLOBC2NPBLDEQZBZFKDKNLC22Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BLOBC2NPBLDEQZBZFKDKNLC22Q","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":"9110b296cbd2c69b2e2a503828ec3ee0c8fc655291c0e06d274cdb6e50d4636d","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-03-12T16:19:00Z","title_canon_sha256":"10ec1e6285c2214ad6f2325de8fb111c1a4892e7504b3898b79a7d1e7cafbc06"},"schema_version":"1.0","source":{"id":"1103.2457","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2457","created_at":"2026-05-18T04:16:43Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2457v2","created_at":"2026-05-18T04:16:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2457","created_at":"2026-05-18T04:16:43Z"},{"alias_kind":"pith_short_12","alias_value":"BLOBC2NPBLDE","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BLOBC2NPBLDEQZBZ","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BLOBC2NP","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:521eec573d5f73f6f45c1f0b5ed6b34de99b0f9c8b7d5a31db3c080a76fc87fd","target":"graph","created_at":"2026-05-18T04:16:43Z","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 single-crystal 2-D NMR investigation of the nearly ideal spin S=1/2 kagome lattice ZnCu3(OD)6Cl2. We successfully identify 2-D NMR signals originating from the nearest-neighbors of Cu2+ defects occupying Zn sites. From the 2-D Knight shift measurements, we demonstrate that weakly interacting Cu2+ spins at these defects cause the large Curie-Weiss enhancement toward T=0 commonly observed in the bulk susceptibility data. We estimate the intrinsic spin susceptibility of the kagome planes by subtracting defect contributions, and explore several scenarios.","authors_text":"M. Fu, T. H. Han, T. Imai, Y. S. Lee","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-03-12T16:19:00Z","title":"Local Spin Susceptibility of the S=1/2 Kagome Lattice in ZnCu3(OD)6Cl2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2457","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:d810b1da778300c30616470fe45094260289c5ffc622c3fc04eb9065f7e4c782","target":"record","created_at":"2026-05-18T04:16:43Z","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":"9110b296cbd2c69b2e2a503828ec3ee0c8fc655291c0e06d274cdb6e50d4636d","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-03-12T16:19:00Z","title_canon_sha256":"10ec1e6285c2214ad6f2325de8fb111c1a4892e7504b3898b79a7d1e7cafbc06"},"schema_version":"1.0","source":{"id":"1103.2457","kind":"arxiv","version":2}},"canonical_sha256":"0adc1169af0ac64864392a86a6ac5ad427887a9379ae9de1746d863ddee59970","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0adc1169af0ac64864392a86a6ac5ad427887a9379ae9de1746d863ddee59970","first_computed_at":"2026-05-18T04:16:43.480541Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:43.480541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0uEL19EgnOojcpsmvuo7Wy+vcMLVG4S006JUYQ71PvRE+L2JhRb5gLiR6uguP16scRx5vQKRwDa40d//5zLQDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:43.481171Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2457","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d810b1da778300c30616470fe45094260289c5ffc622c3fc04eb9065f7e4c782","sha256:521eec573d5f73f6f45c1f0b5ed6b34de99b0f9c8b7d5a31db3c080a76fc87fd"],"state_sha256":"dc105a3b375f2e414c38e4f4a723b0aad1f96a0583d7fdab531f8a7592ac87f0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iT72JxIyQiwqH4d9Gmz9HGOQaclf0m481hvY0ZTSEOMNg5Lwo38Egyx9JQqFjTOtcZ4skbXU4u8+tkssRz/vDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T20:09:44.487258Z","bundle_sha256":"03986411ea4e35d73178bae1a6e4a08a216cf9a34acbea20486a9eb957501be3"}}