{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:OI3TBK6Q3JGPW52NCPYMEHGTBP","short_pith_number":"pith:OI3TBK6Q","schema_version":"1.0","canonical_sha256":"723730abd0da4cfb774d13f0c21cd30bd41d574ba2e1a54e385a8517adab3354","source":{"kind":"arxiv","id":"1902.05676","version":2},"attestation_state":"computed","paper":{"title":"Structural analysis of nuclear spin clusters via two-dimensional nanoscale nuclear magnetic resonance spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chang-Kui Duan, Fazhan Shi, Jiangfeng Du, Kai Yang, Pei Yu, Pengfei Wang, Xi Kong, Xing Rong, Xi Qin, Ya Wang, Zhijie Li, Zhiping Yang","submitted_at":"2019-02-15T03:48:03Z","abstract_excerpt":"Two-dimensional Nuclear Magnetic Resonance (NMR) is essential in molecular structure determination. The Nitrogen-Vacancy (NV) center in diamond has been proposed and developed as an outstanding quantum sensor to realize NMR in nanoscale. In this work, we develop a scheme for two-dimensional nanoscale NMR spectroscopy based on quantum controls on an NV center. We carry out a proof of principle experiment on a target of two coupled $^{13}$C nuclear spins in diamond. A COSY-like sequences is used to acquire the data on time domain, which is then converted to frequency domain with the fast Fourier"},"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":"1902.05676","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-02-15T03:48:03Z","cross_cats_sorted":[],"title_canon_sha256":"acc4749ae4417cf9f90e322cddff88378518e78cae1c96db097fca6d31e45f0d","abstract_canon_sha256":"974700e0f000ebc925dd5b08eea40ae02a0936acffe80eacb9b9251aa913b53a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:42.566532Z","signature_b64":"SKz1XDpEEOBKLW3JUhJPSnyQgJOrWASnKLA6Ri6Zsd1B773ByPz2PAo9Iu8cPPQTo5NGSFZ0no/QoMGqJ0oRDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"723730abd0da4cfb774d13f0c21cd30bd41d574ba2e1a54e385a8517adab3354","last_reissued_at":"2026-05-17T23:43:42.565909Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:42.565909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Structural analysis of nuclear spin clusters via two-dimensional nanoscale nuclear magnetic resonance spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chang-Kui Duan, Fazhan Shi, Jiangfeng Du, Kai Yang, Pei Yu, Pengfei Wang, Xi Kong, Xing Rong, Xi Qin, Ya Wang, Zhijie Li, Zhiping Yang","submitted_at":"2019-02-15T03:48:03Z","abstract_excerpt":"Two-dimensional Nuclear Magnetic Resonance (NMR) is essential in molecular structure determination. The Nitrogen-Vacancy (NV) center in diamond has been proposed and developed as an outstanding quantum sensor to realize NMR in nanoscale. In this work, we develop a scheme for two-dimensional nanoscale NMR spectroscopy based on quantum controls on an NV center. We carry out a proof of principle experiment on a target of two coupled $^{13}$C nuclear spins in diamond. A COSY-like sequences is used to acquire the data on time domain, which is then converted to frequency domain with the fast Fourier"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05676","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1902.05676","created_at":"2026-05-17T23:43:42.565993+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.05676v2","created_at":"2026-05-17T23:43:42.565993+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05676","created_at":"2026-05-17T23:43:42.565993+00:00"},{"alias_kind":"pith_short_12","alias_value":"OI3TBK6Q3JGP","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"OI3TBK6Q3JGPW52N","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"OI3TBK6Q","created_at":"2026-05-18T12:33:24.271573+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/OI3TBK6Q3JGPW52NCPYMEHGTBP","json":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP.json","graph_json":"https://pith.science/api/pith-number/OI3TBK6Q3JGPW52NCPYMEHGTBP/graph.json","events_json":"https://pith.science/api/pith-number/OI3TBK6Q3JGPW52NCPYMEHGTBP/events.json","paper":"https://pith.science/paper/OI3TBK6Q"},"agent_actions":{"view_html":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP","download_json":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP.json","view_paper":"https://pith.science/paper/OI3TBK6Q","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.05676&json=true","fetch_graph":"https://pith.science/api/pith-number/OI3TBK6Q3JGPW52NCPYMEHGTBP/graph.json","fetch_events":"https://pith.science/api/pith-number/OI3TBK6Q3JGPW52NCPYMEHGTBP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP/action/storage_attestation","attest_author":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP/action/author_attestation","sign_citation":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP/action/citation_signature","submit_replication":"https://pith.science/pith/OI3TBK6Q3JGPW52NCPYMEHGTBP/action/replication_record"}},"created_at":"2026-05-17T23:43:42.565993+00:00","updated_at":"2026-05-17T23:43:42.565993+00:00"}