{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:4Z3AK44FOHOOVXZMW2AYKVFCDJ","short_pith_number":"pith:4Z3AK44F","schema_version":"1.0","canonical_sha256":"e67605738571dceadf2cb6818554a21a760bb98c7daa14bc19533e500a3dc6c6","source":{"kind":"arxiv","id":"1908.10147","version":1},"attestation_state":"computed","paper":{"title":"Single Spin Detection with Entangled States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hideaki Hakoshima, Yuichiro Matsuzaki","submitted_at":"2019-08-27T11:46:55Z","abstract_excerpt":"Single spin detection is one of the important tasks in the field of quantum metrology. Many experiments about the single spin detection has been performed. However, due to the weak magnetic fields from the single spin, a long measurement time is required to achieve a reasonably high signal-to-noise ratio. Here, we propose an alternative way to realize rapid and accurate single spin detection with entangled states. While it is known that entanglement can improve the sensitivity to measure globally applied magnetic fields, we investigate a strategy to use the entanglement for detecting spatially"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1908.10147","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-27T11:46:55Z","cross_cats_sorted":[],"title_canon_sha256":"a853f3b0b8a293969b29c3d51f8a4e3add981ff03cbb55753d86896c515d3ffc","abstract_canon_sha256":"0665994f3c72302f04b8b46c203650cca4ac5b8cf4351b7cd28055f5d61c4179"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:56:30.388410Z","signature_b64":"+vHwCpUEDlRy9XQG49wZL5pzOBdzMus036DyMcFR+OqGe/I+Sa4Vtp7iyz6M4hq+J2alYdrOxdmWD3BEHT4EBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e67605738571dceadf2cb6818554a21a760bb98c7daa14bc19533e500a3dc6c6","last_reissued_at":"2026-07-05T00:56:30.387900Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:56:30.387900Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Single Spin Detection with Entangled States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hideaki Hakoshima, Yuichiro Matsuzaki","submitted_at":"2019-08-27T11:46:55Z","abstract_excerpt":"Single spin detection is one of the important tasks in the field of quantum metrology. Many experiments about the single spin detection has been performed. However, due to the weak magnetic fields from the single spin, a long measurement time is required to achieve a reasonably high signal-to-noise ratio. Here, we propose an alternative way to realize rapid and accurate single spin detection with entangled states. While it is known that entanglement can improve the sensitivity to measure globally applied magnetic fields, we investigate a strategy to use the entanglement for detecting spatially"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.10147","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.10147/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1908.10147","created_at":"2026-07-05T00:56:30.387962+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.10147v1","created_at":"2026-07-05T00:56:30.387962+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.10147","created_at":"2026-07-05T00:56:30.387962+00:00"},{"alias_kind":"pith_short_12","alias_value":"4Z3AK44FOHOO","created_at":"2026-07-05T00:56:30.387962+00:00"},{"alias_kind":"pith_short_16","alias_value":"4Z3AK44FOHOOVXZM","created_at":"2026-07-05T00:56:30.387962+00:00"},{"alias_kind":"pith_short_8","alias_value":"4Z3AK44F","created_at":"2026-07-05T00:56:30.387962+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ","json":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ.json","graph_json":"https://pith.science/api/pith-number/4Z3AK44FOHOOVXZMW2AYKVFCDJ/graph.json","events_json":"https://pith.science/api/pith-number/4Z3AK44FOHOOVXZMW2AYKVFCDJ/events.json","paper":"https://pith.science/paper/4Z3AK44F"},"agent_actions":{"view_html":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ","download_json":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ.json","view_paper":"https://pith.science/paper/4Z3AK44F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.10147&json=true","fetch_graph":"https://pith.science/api/pith-number/4Z3AK44FOHOOVXZMW2AYKVFCDJ/graph.json","fetch_events":"https://pith.science/api/pith-number/4Z3AK44FOHOOVXZMW2AYKVFCDJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ/action/storage_attestation","attest_author":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ/action/author_attestation","sign_citation":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ/action/citation_signature","submit_replication":"https://pith.science/pith/4Z3AK44FOHOOVXZMW2AYKVFCDJ/action/replication_record"}},"created_at":"2026-07-05T00:56:30.387962+00:00","updated_at":"2026-07-05T00:56:30.387962+00:00"}