{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:WOTDUPP4IJTLE5VUJB64BPTNJZ","short_pith_number":"pith:WOTDUPP4","canonical_record":{"source":{"id":"1301.5719","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-01-24T07:14:12Z","cross_cats_sorted":[],"title_canon_sha256":"0b25fba526bab4a0387af6c7019b349cd5263e20d2b739e470d93a101ad4da1e","abstract_canon_sha256":"ede0a7222cb0ff742b46f82e3043a302ed467ef692823d4845549da3bcd07d37"},"schema_version":"1.0"},"canonical_sha256":"b3a63a3dfc4266b276b4487dc0be6d4e41cf476eb60b88d6073b9863c60acf7f","source":{"kind":"arxiv","id":"1301.5719","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5719","created_at":"2026-05-18T03:28:42Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5719v2","created_at":"2026-05-18T03:28:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5719","created_at":"2026-05-18T03:28:42Z"},{"alias_kind":"pith_short_12","alias_value":"WOTDUPP4IJTL","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WOTDUPP4IJTLE5VU","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WOTDUPP4","created_at":"2026-05-18T12:28:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:WOTDUPP4IJTLE5VUJB64BPTNJZ","target":"record","payload":{"canonical_record":{"source":{"id":"1301.5719","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-01-24T07:14:12Z","cross_cats_sorted":[],"title_canon_sha256":"0b25fba526bab4a0387af6c7019b349cd5263e20d2b739e470d93a101ad4da1e","abstract_canon_sha256":"ede0a7222cb0ff742b46f82e3043a302ed467ef692823d4845549da3bcd07d37"},"schema_version":"1.0"},"canonical_sha256":"b3a63a3dfc4266b276b4487dc0be6d4e41cf476eb60b88d6073b9863c60acf7f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:28:42.022390Z","signature_b64":"AXIH092Hk2GkhL8UdiEII3eIpy/5r2PdOpEqLRiSHHR+OOpqKOax41O4U7qHNqsTHF43hXnNjdapcDX5tCN2CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3a63a3dfc4266b276b4487dc0be6d4e41cf476eb60b88d6073b9863c60acf7f","last_reissued_at":"2026-05-18T03:28:42.021847Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:28:42.021847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.5719","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":"2026-05-18T03:28:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HQ0E9pUurkuob7RUMSDMqcEkUJnaj5NVnxZXSHgJJc9D5lK+pFTkRYq6yQ5luJQ+mfLv+5jnJI6OF5hh12ZiCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:10:18.457660Z"},"content_sha256":"0737403157316178eae60217e3dc8cf285244d180f38035835ed380071f09073","schema_version":"1.0","event_id":"sha256:0737403157316178eae60217e3dc8cf285244d180f38035835ed380071f09073"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:WOTDUPP4IJTLE5VUJB64BPTNJZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Realization of higher Wess-Zumino-Witten models in spin chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Fr\\'ed\\'eric Michaud, Fr\\'ed\\'eric Mila, Salvatore R. Manmana","submitted_at":"2013-01-24T07:14:12Z","abstract_excerpt":"Building on the generalization of the exactly dimerized Majumdar-Ghosh ground state to arbitrary spin S for the Heisenberg chain with a three-site term (S_{i-1} S_i)(S_i S_{i+1}) + H.c., we use density-matrix renormalization group simulations and exact diagonalizations to determine the nature of the dimerization transition for S=1, 3/2 and 2. The resulting central charge and critical exponent are in good agreement with the SU(2)_{k=2S} Wess-Zumino-Witten values c=3k/(2+k) and \\eta=3/(2+k). Since the 3-site term that induces dimerization appears naturally if exchange interactions are calculated"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5719","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":"2026-05-18T03:28:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o5AB8lRvJE3wrn4BrV1BNKbs+JSaZfyMzW3HXFWrLH/3TuFL5+tuFbLajhwEGOjHXchxmq6rlfazQHJdQyw9AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T12:10:18.458135Z"},"content_sha256":"1cb25c6d6b691e73e8521fb562d5ad12aab66452a154e0ff46d1a13886e96ad0","schema_version":"1.0","event_id":"sha256:1cb25c6d6b691e73e8521fb562d5ad12aab66452a154e0ff46d1a13886e96ad0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WOTDUPP4IJTLE5VUJB64BPTNJZ/bundle.json","state_url":"https://pith.science/pith/WOTDUPP4IJTLE5VUJB64BPTNJZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WOTDUPP4IJTLE5VUJB64BPTNJZ/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":"2026-06-05T12:10:18Z","links":{"resolver":"https://pith.science/pith/WOTDUPP4IJTLE5VUJB64BPTNJZ","bundle":"https://pith.science/pith/WOTDUPP4IJTLE5VUJB64BPTNJZ/bundle.json","state":"https://pith.science/pith/WOTDUPP4IJTLE5VUJB64BPTNJZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WOTDUPP4IJTLE5VUJB64BPTNJZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WOTDUPP4IJTLE5VUJB64BPTNJZ","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":"ede0a7222cb0ff742b46f82e3043a302ed467ef692823d4845549da3bcd07d37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-01-24T07:14:12Z","title_canon_sha256":"0b25fba526bab4a0387af6c7019b349cd5263e20d2b739e470d93a101ad4da1e"},"schema_version":"1.0","source":{"id":"1301.5719","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.5719","created_at":"2026-05-18T03:28:42Z"},{"alias_kind":"arxiv_version","alias_value":"1301.5719v2","created_at":"2026-05-18T03:28:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5719","created_at":"2026-05-18T03:28:42Z"},{"alias_kind":"pith_short_12","alias_value":"WOTDUPP4IJTL","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"WOTDUPP4IJTLE5VU","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"WOTDUPP4","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:1cb25c6d6b691e73e8521fb562d5ad12aab66452a154e0ff46d1a13886e96ad0","target":"graph","created_at":"2026-05-18T03:28:42Z","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":"Building on the generalization of the exactly dimerized Majumdar-Ghosh ground state to arbitrary spin S for the Heisenberg chain with a three-site term (S_{i-1} S_i)(S_i S_{i+1}) + H.c., we use density-matrix renormalization group simulations and exact diagonalizations to determine the nature of the dimerization transition for S=1, 3/2 and 2. The resulting central charge and critical exponent are in good agreement with the SU(2)_{k=2S} Wess-Zumino-Witten values c=3k/(2+k) and \\eta=3/(2+k). Since the 3-site term that induces dimerization appears naturally if exchange interactions are calculated","authors_text":"Fr\\'ed\\'eric Michaud, Fr\\'ed\\'eric Mila, Salvatore R. Manmana","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-01-24T07:14:12Z","title":"Realization of higher Wess-Zumino-Witten models in spin chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5719","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":"sha256:0737403157316178eae60217e3dc8cf285244d180f38035835ed380071f09073","target":"record","created_at":"2026-05-18T03:28:42Z","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":"ede0a7222cb0ff742b46f82e3043a302ed467ef692823d4845549da3bcd07d37","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2013-01-24T07:14:12Z","title_canon_sha256":"0b25fba526bab4a0387af6c7019b349cd5263e20d2b739e470d93a101ad4da1e"},"schema_version":"1.0","source":{"id":"1301.5719","kind":"arxiv","version":2}},"canonical_sha256":"b3a63a3dfc4266b276b4487dc0be6d4e41cf476eb60b88d6073b9863c60acf7f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3a63a3dfc4266b276b4487dc0be6d4e41cf476eb60b88d6073b9863c60acf7f","first_computed_at":"2026-05-18T03:28:42.021847Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:28:42.021847Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AXIH092Hk2GkhL8UdiEII3eIpy/5r2PdOpEqLRiSHHR+OOpqKOax41O4U7qHNqsTHF43hXnNjdapcDX5tCN2CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:28:42.022390Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.5719","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0737403157316178eae60217e3dc8cf285244d180f38035835ed380071f09073","sha256:1cb25c6d6b691e73e8521fb562d5ad12aab66452a154e0ff46d1a13886e96ad0"],"state_sha256":"bb334ec2d5112adc9b2d147f581f554f939d8d40a2ceaf4a9f54e6588b523e28"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/J3udzXTHSayyczca+IbuGVQGW3ZCX8Csm3/kBkQLDugFSgVZ99cU70hVrE1+BCNXE1MrQEHuFkJY87eefeHDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T12:10:18.460996Z","bundle_sha256":"7ee9e94e2da6af91ef1f680201fb6b37fa3132ed31c2546bb7b079b41026eda4"}}