{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:AIEKRNV2EIBBPOXFZNYR7PPNWN","short_pith_number":"pith:AIEKRNV2","schema_version":"1.0","canonical_sha256":"0208a8b6ba220217bae5cb711fbdedb3702e0bfac060fa5b7a6804852d1c11ae","source":{"kind":"arxiv","id":"1110.2271","version":2},"attestation_state":"computed","paper":{"title":"Cavity Optomechanical Magnetometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Szorkovszky, E. D. van Ooijen, G. I. Harris, H. Rubinsztein-Dunlop, J. D. Swaim, J. Knittel, S. Forstner, S. Prams, W. P. Bowen","submitted_at":"2011-10-11T05:04:38Z","abstract_excerpt":"A cavity optomechanical magnetometer is demonstrated where the magnetic field induced expansion of a magnetostrictive material is transduced onto the physical structure of a highly compliant optical microresonator. The resulting motion is read out optically with ultra-high sensitivity. Detecting the magnetostrictive deformation of Terfenol-D with a toroidal whispering gallery mode (TWGM) resonator a peak sensitivity of 400 nT/Hz^.5 was achieved with theoretical modelling predicting that sensitivities of up to 500 fT/Hz^.5 may be possible. This chip-based magnetometer combines high-sensitivity "},"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":"1110.2271","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2011-10-11T05:04:38Z","cross_cats_sorted":[],"title_canon_sha256":"0a851da39fd50c13d97c8ba4c9e58233f5809525c97dfb10e63aa87c638f80db","abstract_canon_sha256":"f2fde2a4fbd3060c32e9df671d205403d2c34983e2449a990b032c9d3e5dd793"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:13.891469Z","signature_b64":"pNqtxYQlPxMHAK57MHoSCdBza5i5WIF6xuq/KexDztKd4kUdaezhsQwNp0TZtHEeg4jVI2UkchG4b9dw2Fs2CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0208a8b6ba220217bae5cb711fbdedb3702e0bfac060fa5b7a6804852d1c11ae","last_reissued_at":"2026-05-18T02:00:13.890971Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:13.890971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cavity Optomechanical Magnetometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"A. Szorkovszky, E. D. van Ooijen, G. I. Harris, H. Rubinsztein-Dunlop, J. D. Swaim, J. Knittel, S. Forstner, S. Prams, W. P. Bowen","submitted_at":"2011-10-11T05:04:38Z","abstract_excerpt":"A cavity optomechanical magnetometer is demonstrated where the magnetic field induced expansion of a magnetostrictive material is transduced onto the physical structure of a highly compliant optical microresonator. The resulting motion is read out optically with ultra-high sensitivity. Detecting the magnetostrictive deformation of Terfenol-D with a toroidal whispering gallery mode (TWGM) resonator a peak sensitivity of 400 nT/Hz^.5 was achieved with theoretical modelling predicting that sensitivities of up to 500 fT/Hz^.5 may be possible. This chip-based magnetometer combines high-sensitivity "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.2271","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":"1110.2271","created_at":"2026-05-18T02:00:13.891030+00:00"},{"alias_kind":"arxiv_version","alias_value":"1110.2271v2","created_at":"2026-05-18T02:00:13.891030+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.2271","created_at":"2026-05-18T02:00:13.891030+00:00"},{"alias_kind":"pith_short_12","alias_value":"AIEKRNV2EIBB","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"AIEKRNV2EIBBPOXF","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"AIEKRNV2","created_at":"2026-05-18T12:26:24.575870+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/AIEKRNV2EIBBPOXFZNYR7PPNWN","json":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN.json","graph_json":"https://pith.science/api/pith-number/AIEKRNV2EIBBPOXFZNYR7PPNWN/graph.json","events_json":"https://pith.science/api/pith-number/AIEKRNV2EIBBPOXFZNYR7PPNWN/events.json","paper":"https://pith.science/paper/AIEKRNV2"},"agent_actions":{"view_html":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN","download_json":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN.json","view_paper":"https://pith.science/paper/AIEKRNV2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1110.2271&json=true","fetch_graph":"https://pith.science/api/pith-number/AIEKRNV2EIBBPOXFZNYR7PPNWN/graph.json","fetch_events":"https://pith.science/api/pith-number/AIEKRNV2EIBBPOXFZNYR7PPNWN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN/action/storage_attestation","attest_author":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN/action/author_attestation","sign_citation":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN/action/citation_signature","submit_replication":"https://pith.science/pith/AIEKRNV2EIBBPOXFZNYR7PPNWN/action/replication_record"}},"created_at":"2026-05-18T02:00:13.891030+00:00","updated_at":"2026-05-18T02:00:13.891030+00:00"}