{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:Y4B2QZAY7NSQCFW5W4RSJBVUNF","short_pith_number":"pith:Y4B2QZAY","canonical_record":{"source":{"id":"cond-mat/0006292","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2000-06-20T07:04:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d9d9fb4dda56a9da16bbee380de3312ac4ee993025b4ec024c3b75f5a94bbf50","abstract_canon_sha256":"30328446e3df8912c50dea0d70b1c3739beb4fa59bbb8004cbec586ad0002f14"},"schema_version":"1.0"},"canonical_sha256":"c703a86418fb650116ddb7232486b469518929088ae94ef6428d84d32f020174","source":{"kind":"arxiv","id":"cond-mat/0006292","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0006292","created_at":"2026-05-18T00:25:46Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0006292v1","created_at":"2026-05-18T00:25:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0006292","created_at":"2026-05-18T00:25:46Z"},{"alias_kind":"pith_short_12","alias_value":"Y4B2QZAY7NSQ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"Y4B2QZAY7NSQCFW5","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"Y4B2QZAY","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:Y4B2QZAY7NSQCFW5W4RSJBVUNF","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0006292","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2000-06-20T07:04:49Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"d9d9fb4dda56a9da16bbee380de3312ac4ee993025b4ec024c3b75f5a94bbf50","abstract_canon_sha256":"30328446e3df8912c50dea0d70b1c3739beb4fa59bbb8004cbec586ad0002f14"},"schema_version":"1.0"},"canonical_sha256":"c703a86418fb650116ddb7232486b469518929088ae94ef6428d84d32f020174","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:46.829949Z","signature_b64":"y6NubJ+15KW+QTxmVagV4OzFIE6NhiqQ36JBBxjN+qssY19rkCgPTLIeIjKN1kq7symKwAD3hImQJYZMak1sCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c703a86418fb650116ddb7232486b469518929088ae94ef6428d84d32f020174","last_reissued_at":"2026-05-18T00:25:46.829413Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:46.829413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0006292","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:25:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lzfVmrjUqfNDT0sBicNiHpiVgGUYA8wLH42dyOpLvVCMezEmNqWut+efwh7qRIk37cKsuTkCQVmG4aotwfprBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:56:14.286867Z"},"content_sha256":"c5c1e0e591eca19b42e529b82f6799aac8e7743608be1b67fdbc58376ee83359","schema_version":"1.0","event_id":"sha256:c5c1e0e591eca19b42e529b82f6799aac8e7743608be1b67fdbc58376ee83359"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:Y4B2QZAY7NSQCFW5W4RSJBVUNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Macroscopic quantum coherence in antiferromagnetic molecular magnets","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Hui Hu, Jia-Jiong Xiong, Jia-Ling Zhu, Rong L\\\"u","submitted_at":"2000-06-20T07:04:49Z","abstract_excerpt":"The macroscopic quantum coherence in a biaxial antiferromagnetic molecular magnet in the presence of magnetic field acting parallel to its hard anisotropy axis is studied within the two-sublattice model. On the basis of instanton technique in the spin-coherent-state path-integral representation, both the rigorous Wentzel-Kramers-Brillouin exponent and preexponential factor for the ground-state tunnel splitting are obtained. We find that the quantum fluctuations around the classical paths can not only induce a new quantum phase previously reported by Chiolero and Loss (Phys. Rev. Lett. 80, 169 "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0006292","kind":"arxiv","version":1},"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":"2026-05-18T00:25:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ku56uJyfUqSYpr+eA0aWqT2d1mMfg2Q1gpyC2rDWJ3h7dsy2xYG73QhMqytGNW6MZza6Nt/04JX8xbxbvKgJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T17:56:14.287521Z"},"content_sha256":"3e0062e7aa4147f10fbd90a264d3e65d21c06042269004052921ba3d7f8d7edf","schema_version":"1.0","event_id":"sha256:3e0062e7aa4147f10fbd90a264d3e65d21c06042269004052921ba3d7f8d7edf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/bundle.json","state_url":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/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":"2026-05-29T17:56:14Z","links":{"resolver":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF","bundle":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/bundle.json","state":"https://pith.science/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y4B2QZAY7NSQCFW5W4RSJBVUNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:Y4B2QZAY7NSQCFW5W4RSJBVUNF","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":"30328446e3df8912c50dea0d70b1c3739beb4fa59bbb8004cbec586ad0002f14","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2000-06-20T07:04:49Z","title_canon_sha256":"d9d9fb4dda56a9da16bbee380de3312ac4ee993025b4ec024c3b75f5a94bbf50"},"schema_version":"1.0","source":{"id":"cond-mat/0006292","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0006292","created_at":"2026-05-18T00:25:46Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0006292v1","created_at":"2026-05-18T00:25:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0006292","created_at":"2026-05-18T00:25:46Z"},{"alias_kind":"pith_short_12","alias_value":"Y4B2QZAY7NSQ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"Y4B2QZAY7NSQCFW5","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"Y4B2QZAY","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:3e0062e7aa4147f10fbd90a264d3e65d21c06042269004052921ba3d7f8d7edf","target":"graph","created_at":"2026-05-18T00:25:46Z","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":"The macroscopic quantum coherence in a biaxial antiferromagnetic molecular magnet in the presence of magnetic field acting parallel to its hard anisotropy axis is studied within the two-sublattice model. On the basis of instanton technique in the spin-coherent-state path-integral representation, both the rigorous Wentzel-Kramers-Brillouin exponent and preexponential factor for the ground-state tunnel splitting are obtained. We find that the quantum fluctuations around the classical paths can not only induce a new quantum phase previously reported by Chiolero and Loss (Phys. Rev. Lett. 80, 169 ","authors_text":"Hui Hu, Jia-Jiong Xiong, Jia-Ling Zhu, Rong L\\\"u","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2000-06-20T07:04:49Z","title":"Macroscopic quantum coherence in antiferromagnetic molecular magnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0006292","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:c5c1e0e591eca19b42e529b82f6799aac8e7743608be1b67fdbc58376ee83359","target":"record","created_at":"2026-05-18T00:25:46Z","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":"30328446e3df8912c50dea0d70b1c3739beb4fa59bbb8004cbec586ad0002f14","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2000-06-20T07:04:49Z","title_canon_sha256":"d9d9fb4dda56a9da16bbee380de3312ac4ee993025b4ec024c3b75f5a94bbf50"},"schema_version":"1.0","source":{"id":"cond-mat/0006292","kind":"arxiv","version":1}},"canonical_sha256":"c703a86418fb650116ddb7232486b469518929088ae94ef6428d84d32f020174","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c703a86418fb650116ddb7232486b469518929088ae94ef6428d84d32f020174","first_computed_at":"2026-05-18T00:25:46.829413Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:46.829413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y6NubJ+15KW+QTxmVagV4OzFIE6NhiqQ36JBBxjN+qssY19rkCgPTLIeIjKN1kq7symKwAD3hImQJYZMak1sCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:46.829949Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0006292","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5c1e0e591eca19b42e529b82f6799aac8e7743608be1b67fdbc58376ee83359","sha256:3e0062e7aa4147f10fbd90a264d3e65d21c06042269004052921ba3d7f8d7edf"],"state_sha256":"48a5301e4870ab104138fa2ede9f43aa8cf52cb5b2278b59965a85b5247120a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e6q6WrpntTny59l1vdXSlFLtvpAEiqq/welDP/n1KwBzMJallcSNCojK7gT7GSJFCPoq0uMaFRl+k+m5mZKcCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T17:56:14.290762Z","bundle_sha256":"965b1c962c7fef3bc3a921050db7443e7e97055cf84644e041e63814c264ba4c"}}