{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:7T422NJ6UABLZHTDSTLMB2IWXA","short_pith_number":"pith:7T422NJ6","schema_version":"1.0","canonical_sha256":"fcf9ad353ea002bc9e6394d6c0e916b80730d0b55016428168eed348f3bb8c25","source":{"kind":"arxiv","id":"2606.04064","version":1},"attestation_state":"computed","paper":{"title":"Multiparametric Quantum Sensing of Liquids Using NV Centres and Tethered Magnetic Nanoparticles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Johannes Fiedler, Justas Zalieckas, Martin M{\\o}ller Greve","submitted_at":"2026-06-02T13:15:42Z","abstract_excerpt":"We propose a new concept for non-invasive, multiparametric liquid analysis based on nitrogen-vacancy (NV) centre magnetometry, relaxometry and surface-tethered magnetic nanoparticles. Magnetic nanoparticles are anchored to a diamond surface via DNA strands, forming nanoscale mechanical oscillators whose thermally driven motion is strongly influenced by the surrounding liquid environment. The resulting time-dependent magnetic fields couple to near-surface NV centres and are detected via optically detected magnetic resonance or changes in spin coherence time. By spatially patterning the diamond "},"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":"2606.04064","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-06-02T13:15:42Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"849c3c3111d69b670fef8c59307cb8b03763858ebfdf7f057be654f29e1c55a3","abstract_canon_sha256":"072068d588ecfcd3c18b7881c39eb329ffc3a58a7a1916780c99d0b017e9299c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-04T00:06:45.571209Z","signature_b64":"+RRj+pH6Xeohq11cMw8b701PFY5WrJKsZ8M4Il3wQ+859f79rYoUPuknhU1+Who37CVMLrpgKbl4USJNaotyAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcf9ad353ea002bc9e6394d6c0e916b80730d0b55016428168eed348f3bb8c25","last_reissued_at":"2026-06-04T00:06:45.570837Z","signature_status":"signed_v1","first_computed_at":"2026-06-04T00:06:45.570837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Multiparametric Quantum Sensing of Liquids Using NV Centres and Tethered Magnetic Nanoparticles","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Johannes Fiedler, Justas Zalieckas, Martin M{\\o}ller Greve","submitted_at":"2026-06-02T13:15:42Z","abstract_excerpt":"We propose a new concept for non-invasive, multiparametric liquid analysis based on nitrogen-vacancy (NV) centre magnetometry, relaxometry and surface-tethered magnetic nanoparticles. Magnetic nanoparticles are anchored to a diamond surface via DNA strands, forming nanoscale mechanical oscillators whose thermally driven motion is strongly influenced by the surrounding liquid environment. The resulting time-dependent magnetic fields couple to near-surface NV centres and are detected via optically detected magnetic resonance or changes in spin coherence time. By spatially patterning the diamond "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.04064","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/2606.04064/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":"2606.04064","created_at":"2026-06-04T00:06:45.570892+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.04064v1","created_at":"2026-06-04T00:06:45.570892+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.04064","created_at":"2026-06-04T00:06:45.570892+00:00"},{"alias_kind":"pith_short_12","alias_value":"7T422NJ6UABL","created_at":"2026-06-04T00:06:45.570892+00:00"},{"alias_kind":"pith_short_16","alias_value":"7T422NJ6UABLZHTD","created_at":"2026-06-04T00:06:45.570892+00:00"},{"alias_kind":"pith_short_8","alias_value":"7T422NJ6","created_at":"2026-06-04T00:06:45.570892+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/7T422NJ6UABLZHTDSTLMB2IWXA","json":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA.json","graph_json":"https://pith.science/api/pith-number/7T422NJ6UABLZHTDSTLMB2IWXA/graph.json","events_json":"https://pith.science/api/pith-number/7T422NJ6UABLZHTDSTLMB2IWXA/events.json","paper":"https://pith.science/paper/7T422NJ6"},"agent_actions":{"view_html":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA","download_json":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA.json","view_paper":"https://pith.science/paper/7T422NJ6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.04064&json=true","fetch_graph":"https://pith.science/api/pith-number/7T422NJ6UABLZHTDSTLMB2IWXA/graph.json","fetch_events":"https://pith.science/api/pith-number/7T422NJ6UABLZHTDSTLMB2IWXA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA/action/storage_attestation","attest_author":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA/action/author_attestation","sign_citation":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA/action/citation_signature","submit_replication":"https://pith.science/pith/7T422NJ6UABLZHTDSTLMB2IWXA/action/replication_record"}},"created_at":"2026-06-04T00:06:45.570892+00:00","updated_at":"2026-06-04T00:06:45.570892+00:00"}