{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WGNAJ77K4XSY3CBF6JKDYUJKG7","short_pith_number":"pith:WGNAJ77K","canonical_record":{"source":{"id":"2401.07887","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-01-15T18:28:57Z","cross_cats_sorted":[],"title_canon_sha256":"66d75fc09ac6a0e7e84c6a060523dc5e0c174418b5c88e5a27cf054564240a56","abstract_canon_sha256":"53444094c772ccd9f768b2b5f6afec4cf97498d235dd647e56aeab20ddfb3546"},"schema_version":"1.0"},"canonical_sha256":"b19a04ffeae5e58d8825f2543c512a37daae781c1d6187726d5f96530f03689f","source":{"kind":"arxiv","id":"2401.07887","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.07887","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"2401.07887v3","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.07887","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"WGNAJ77K4XSY","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"pith_short_16","alias_value":"WGNAJ77K4XSY3CBF","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"pith_short_8","alias_value":"WGNAJ77K","created_at":"2026-07-05T08:43:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WGNAJ77K4XSY3CBF6JKDYUJKG7","target":"record","payload":{"canonical_record":{"source":{"id":"2401.07887","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-01-15T18:28:57Z","cross_cats_sorted":[],"title_canon_sha256":"66d75fc09ac6a0e7e84c6a060523dc5e0c174418b5c88e5a27cf054564240a56","abstract_canon_sha256":"53444094c772ccd9f768b2b5f6afec4cf97498d235dd647e56aeab20ddfb3546"},"schema_version":"1.0"},"canonical_sha256":"b19a04ffeae5e58d8825f2543c512a37daae781c1d6187726d5f96530f03689f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:43:52.717366Z","signature_b64":"Qn+1rGofeMuovMBKGWDsSkzsHZGwBVIzPe0Zy4/E3KbuGcCiReJXU8PMtmxOVv6QZo1k9tjr96MBvbl9roP5BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b19a04ffeae5e58d8825f2543c512a37daae781c1d6187726d5f96530f03689f","last_reissued_at":"2026-07-05T08:43:52.716864Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:43:52.716864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.07887","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7bf1NCKLd9UwkD5K8GySjd9AFfL4uaRmjdwaqTzP5Vg+DkxOXD9AraHd4+ekR8ZBX1yxjKQF4Lj4QehNdm3iDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T21:02:48.363360Z"},"content_sha256":"100ac28d590cad7c0d57e5ff7fe56229ee2733b5aa7701823b6e726e7f6020a3","schema_version":"1.0","event_id":"sha256:100ac28d590cad7c0d57e5ff7fe56229ee2733b5aa7701823b6e726e7f6020a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WGNAJ77K4XSY3CBF6JKDYUJKG7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optics-assisted enhanced sensing at radio-frequencies in an optoelectromechanical system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"David Vitali, Najmeh Eshaqi-Sani, Stefano Zippilli","submitted_at":"2024-01-15T18:28:57Z","abstract_excerpt":"We investigate a scheme to enhance the sensitivity in detecting weak variations in a parameter of an optoelectromechanical system by detecting the system response at radio frequencies. We consider a setup, where either one or two mechanical modes mediate the interaction between an optical cavity and an rf resonator. This system can be operated in a regime of impedance matching where thermal fluctuations are redistributed among the system elements, and, in particular, rf output noise can be reduced to the quantum vacuum noise level. We show that this effect can be used to boost the sensitivity "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.07887","kind":"arxiv","version":3},"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/2401.07887/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:43:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHT4vfJO12Xc9kCRMvFruLS32T09x/DV9sTleygOcqIZhdNsK25fndCnAONfmqbemHlWOT6ZBw6hOEWAhs8HCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T21:02:48.364827Z"},"content_sha256":"8499c4b1c9a719ca840bdca29bb769b96ba839a89f6d27d609875b4c30acc13f","schema_version":"1.0","event_id":"sha256:8499c4b1c9a719ca840bdca29bb769b96ba839a89f6d27d609875b4c30acc13f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WGNAJ77K4XSY3CBF6JKDYUJKG7/bundle.json","state_url":"https://pith.science/pith/WGNAJ77K4XSY3CBF6JKDYUJKG7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WGNAJ77K4XSY3CBF6JKDYUJKG7/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-10T21:02:48Z","links":{"resolver":"https://pith.science/pith/WGNAJ77K4XSY3CBF6JKDYUJKG7","bundle":"https://pith.science/pith/WGNAJ77K4XSY3CBF6JKDYUJKG7/bundle.json","state":"https://pith.science/pith/WGNAJ77K4XSY3CBF6JKDYUJKG7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WGNAJ77K4XSY3CBF6JKDYUJKG7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WGNAJ77K4XSY3CBF6JKDYUJKG7","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":"53444094c772ccd9f768b2b5f6afec4cf97498d235dd647e56aeab20ddfb3546","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-01-15T18:28:57Z","title_canon_sha256":"66d75fc09ac6a0e7e84c6a060523dc5e0c174418b5c88e5a27cf054564240a56"},"schema_version":"1.0","source":{"id":"2401.07887","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.07887","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"2401.07887v3","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.07887","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"WGNAJ77K4XSY","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"pith_short_16","alias_value":"WGNAJ77K4XSY3CBF","created_at":"2026-07-05T08:43:52Z"},{"alias_kind":"pith_short_8","alias_value":"WGNAJ77K","created_at":"2026-07-05T08:43:52Z"}],"graph_snapshots":[{"event_id":"sha256:8499c4b1c9a719ca840bdca29bb769b96ba839a89f6d27d609875b4c30acc13f","target":"graph","created_at":"2026-07-05T08:43:52Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2401.07887/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate a scheme to enhance the sensitivity in detecting weak variations in a parameter of an optoelectromechanical system by detecting the system response at radio frequencies. We consider a setup, where either one or two mechanical modes mediate the interaction between an optical cavity and an rf resonator. This system can be operated in a regime of impedance matching where thermal fluctuations are redistributed among the system elements, and, in particular, rf output noise can be reduced to the quantum vacuum noise level. We show that this effect can be used to boost the sensitivity ","authors_text":"David Vitali, Najmeh Eshaqi-Sani, Stefano Zippilli","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-01-15T18:28:57Z","title":"Optics-assisted enhanced sensing at radio-frequencies in an optoelectromechanical system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.07887","kind":"arxiv","version":3},"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":"sha256:100ac28d590cad7c0d57e5ff7fe56229ee2733b5aa7701823b6e726e7f6020a3","target":"record","created_at":"2026-07-05T08:43:52Z","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":"53444094c772ccd9f768b2b5f6afec4cf97498d235dd647e56aeab20ddfb3546","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-01-15T18:28:57Z","title_canon_sha256":"66d75fc09ac6a0e7e84c6a060523dc5e0c174418b5c88e5a27cf054564240a56"},"schema_version":"1.0","source":{"id":"2401.07887","kind":"arxiv","version":3}},"canonical_sha256":"b19a04ffeae5e58d8825f2543c512a37daae781c1d6187726d5f96530f03689f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b19a04ffeae5e58d8825f2543c512a37daae781c1d6187726d5f96530f03689f","first_computed_at":"2026-07-05T08:43:52.716864Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:43:52.716864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qn+1rGofeMuovMBKGWDsSkzsHZGwBVIzPe0Zy4/E3KbuGcCiReJXU8PMtmxOVv6QZo1k9tjr96MBvbl9roP5BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:43:52.717366Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.07887","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:100ac28d590cad7c0d57e5ff7fe56229ee2733b5aa7701823b6e726e7f6020a3","sha256:8499c4b1c9a719ca840bdca29bb769b96ba839a89f6d27d609875b4c30acc13f"],"state_sha256":"809fe7ce88af956e42a9eaec35332aa7ce6b57b40ae8173280cb4101ad32d419"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sGDDOn0odlrGYlOh6peukTr91JwE5NYrOlyFiCjRL1SLw3DqyEUKOIv3GsooE/cyDAlXYrvV/yhClR3MfRvaBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T21:02:48.374965Z","bundle_sha256":"638b7a68271e5d79eb163a5645f74cd6555ccd07a663f5de4a0c101b58e31a92"}}