{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LVLCXEZXDXWFIRHEKFDWAN7FK2","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":"cc0fbf5ecde7c02c471e007eb2cae0cf3d5664695dbc50cb3fa3f71194e1c561","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-02-15T23:37:01Z","title_canon_sha256":"7b2a62a0e4dff34fca67a942fced11e46b4b2f0bd7c4f12550113b21cf37988f"},"schema_version":"1.0","source":{"id":"1202.3472","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.3472","created_at":"2026-05-18T01:58:27Z"},{"alias_kind":"arxiv_version","alias_value":"1202.3472v2","created_at":"2026-05-18T01:58:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3472","created_at":"2026-05-18T01:58:27Z"},{"alias_kind":"pith_short_12","alias_value":"LVLCXEZXDXWF","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LVLCXEZXDXWFIRHE","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LVLCXEZX","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:c6309a879dbc46ac1b9ae23e6cc9dbb59099e2f04126333938aa5bbb4fffd01f","target":"graph","created_at":"2026-05-18T01:58:27Z","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 demonstrate that the internal magnetic states of a single nitrogen-vacancy defect, within a rotating diamond crystal, acquire geometric phases. The geometric phase shift is manifest as a relative phase between components of a superposition of magnetic substates. We demonstrate that under reasonable experimental conditions a phase shift of up to four radians could be measured. Such a measurement of the accumulation of a geometric phase, due to macroscopic rotation, would be the first for a single atom-scale quantum system.","authors_text":"A. M. Martin, D. Maclaurin, L. C. L. Hollenberg, M. W. Doherty","cross_cats":["cond-mat.mes-hall","cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-02-15T23:37:01Z","title":"Measurable quantum geometric phase from a rotating single spin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3472","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":"sha256:44d185bc730df36b248b2e08e27fdb4b0837b5ebdd161195c44129a17680d259","target":"record","created_at":"2026-05-18T01:58:27Z","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":"cc0fbf5ecde7c02c471e007eb2cae0cf3d5664695dbc50cb3fa3f71194e1c561","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-02-15T23:37:01Z","title_canon_sha256":"7b2a62a0e4dff34fca67a942fced11e46b4b2f0bd7c4f12550113b21cf37988f"},"schema_version":"1.0","source":{"id":"1202.3472","kind":"arxiv","version":2}},"canonical_sha256":"5d562b93371dec5444e451476037e556af456b1c220275d57710a56eaf5f2d5d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d562b93371dec5444e451476037e556af456b1c220275d57710a56eaf5f2d5d","first_computed_at":"2026-05-18T01:58:27.814552Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:27.814552Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y32RJeCSU2r568kx0NDUvlWp5YipgTim76hm/cKvefZdX4fOyI7rBImxQeIYd4mk3tFzmoUdSa5EeZ4T8uiZAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:27.817615Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.3472","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44d185bc730df36b248b2e08e27fdb4b0837b5ebdd161195c44129a17680d259","sha256:c6309a879dbc46ac1b9ae23e6cc9dbb59099e2f04126333938aa5bbb4fffd01f"],"state_sha256":"49c9fe7b551c24256cf30bc80897e200aa19ff872aef858279d8e2691b5d0413"}