{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:JVGKKMR6MVDWJTW3U6NHMEOXJJ","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":"d91c5c12e8f4864f639cf170bd1ba2d7352a6e26702c58b9cee77ad7e528caa3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2004-05-14T22:20:24Z","title_canon_sha256":"b48c2e1d1ad623944e1f25cc0f7282a291dd8f089db3780fa499a6f751e1e647"},"schema_version":"1.0","source":{"id":"cond-mat/0405331","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0405331","created_at":"2026-05-18T04:31:51Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0405331v1","created_at":"2026-05-18T04:31:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0405331","created_at":"2026-05-18T04:31:51Z"},{"alias_kind":"pith_short_12","alias_value":"JVGKKMR6MVDW","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"JVGKKMR6MVDWJTW3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"JVGKKMR6","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:d3ca24d0edbff5c01ffad43a298cdceab8c1eced314bf25da95027a8d9c7602e","target":"graph","created_at":"2026-05-18T04:31:51Z","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":"Magnetic quantum tunneling in a single molecule magnet (SMM) has been studied in experiments that combine microwave spectroscopy with high sensitivity magnetic measurements. By monitoring spin-state populations in the presence of microwave magnetic fields, the energy splittings between low lying high spin superposition states of SMM Ni$_4$ ($S$ = 4) have been measured. Absorption linewidths give an upper bound on the rate of decoherence. Pulsed microwave experiments provide a direct measure of the spin-lattice relaxation time, which is found to be remarkably long ($\\sim$sec) and to increase wi","authors_text":"A. D. Kent, D. N. Hendrickson, E. C. Yang, E. del Barco","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2004-05-14T22:20:24Z","title":"Quantum Coherence between High Spin Superposition States of Single Molecule Magnet Ni$_4$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0405331","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":"sha256:80496ee7d6d1906149953364a9f51160fc38ceb30389991ad43bca527522a4c3","target":"record","created_at":"2026-05-18T04:31:51Z","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":"d91c5c12e8f4864f639cf170bd1ba2d7352a6e26702c58b9cee77ad7e528caa3","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2004-05-14T22:20:24Z","title_canon_sha256":"b48c2e1d1ad623944e1f25cc0f7282a291dd8f089db3780fa499a6f751e1e647"},"schema_version":"1.0","source":{"id":"cond-mat/0405331","kind":"arxiv","version":1}},"canonical_sha256":"4d4ca5323e654764cedba79a7611d74a587a91ee72de69d22616d4137b168419","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d4ca5323e654764cedba79a7611d74a587a91ee72de69d22616d4137b168419","first_computed_at":"2026-05-18T04:31:51.593747Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:51.593747Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fOdRd2t9QqyR16JhCOR/bgZ3Dv5nW1Kk10/cWmKqdNUZF3uZNb6jJ4vwvHdtbCaos9SSsESqYVSQjz3ytZ6ACg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:51.594283Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0405331","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80496ee7d6d1906149953364a9f51160fc38ceb30389991ad43bca527522a4c3","sha256:d3ca24d0edbff5c01ffad43a298cdceab8c1eced314bf25da95027a8d9c7602e"],"state_sha256":"a3e54f53b90990ae624f9b098abfc3371bac82b3ba28891b6b7926a5b6802e20"}