{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:3M7VKHA2MPF4XHLL2LVEXRVPT4","short_pith_number":"pith:3M7VKHA2","schema_version":"1.0","canonical_sha256":"db3f551c1a63cbcb9d6bd2ea4bc6af9f371dd66ac397d3c4dda08426eca79f20","source":{"kind":"arxiv","id":"1105.5254","version":3},"attestation_state":"computed","paper":{"title":"Local probing of propagating acoustic waves in a gigahertz echo chamber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"G\\\"oran Johansson, Martin Gustafsson, Paulo V. Santos, Per Delsing","submitted_at":"2011-05-26T10:48:22Z","abstract_excerpt":"In the same way that micro-mechanical resonators resemble guitar strings and drums, Surface Acoustic Waves (SAW) resemble the sound these instruments produce, but moving over a solid surface rather than through air. In contrast with oscillations in suspended resonators, such propagating mechanical waves have not before been studied near the quantum mechanical limits. Here, we demonstrate local probing of SAW with a displacement sensitivity of 30amRMS/sqrt(Hz) and detection sensitivity on the single-phonon level after averaging, at a frequency of 932MHz. Our probe is a piezoelectrically coupled"},"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":"1105.5254","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-05-26T10:48:22Z","cross_cats_sorted":[],"title_canon_sha256":"3ba5ea1dc0623f6b14063f8e1ca5ce889ad0088551df87977cc193301c368b84","abstract_canon_sha256":"a8e4f3bd51b1ecd8921ec7c56d49df6db028e51cdd79782ec4d95100b4e69e14"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:30:42.554114Z","signature_b64":"08PY/oftw2zlvjBYyl01oIzTCZ5sOkWzPIDyCo+4kskftFJgD6kEf0A3Fo7wITfkhKFMg99Oh7iCBbAbz4iBCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db3f551c1a63cbcb9d6bd2ea4bc6af9f371dd66ac397d3c4dda08426eca79f20","last_reissued_at":"2026-05-18T03:30:42.553328Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:30:42.553328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Local probing of propagating acoustic waves in a gigahertz echo chamber","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"G\\\"oran Johansson, Martin Gustafsson, Paulo V. Santos, Per Delsing","submitted_at":"2011-05-26T10:48:22Z","abstract_excerpt":"In the same way that micro-mechanical resonators resemble guitar strings and drums, Surface Acoustic Waves (SAW) resemble the sound these instruments produce, but moving over a solid surface rather than through air. In contrast with oscillations in suspended resonators, such propagating mechanical waves have not before been studied near the quantum mechanical limits. Here, we demonstrate local probing of SAW with a displacement sensitivity of 30amRMS/sqrt(Hz) and detection sensitivity on the single-phonon level after averaging, at a frequency of 932MHz. Our probe is a piezoelectrically coupled"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5254","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":""},"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":"1105.5254","created_at":"2026-05-18T03:30:42.553452+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.5254v3","created_at":"2026-05-18T03:30:42.553452+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5254","created_at":"2026-05-18T03:30:42.553452+00:00"},{"alias_kind":"pith_short_12","alias_value":"3M7VKHA2MPF4","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_16","alias_value":"3M7VKHA2MPF4XHLL","created_at":"2026-05-18T12:26:18.847500+00:00"},{"alias_kind":"pith_short_8","alias_value":"3M7VKHA2","created_at":"2026-05-18T12:26:18.847500+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/3M7VKHA2MPF4XHLL2LVEXRVPT4","json":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4.json","graph_json":"https://pith.science/api/pith-number/3M7VKHA2MPF4XHLL2LVEXRVPT4/graph.json","events_json":"https://pith.science/api/pith-number/3M7VKHA2MPF4XHLL2LVEXRVPT4/events.json","paper":"https://pith.science/paper/3M7VKHA2"},"agent_actions":{"view_html":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4","download_json":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4.json","view_paper":"https://pith.science/paper/3M7VKHA2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.5254&json=true","fetch_graph":"https://pith.science/api/pith-number/3M7VKHA2MPF4XHLL2LVEXRVPT4/graph.json","fetch_events":"https://pith.science/api/pith-number/3M7VKHA2MPF4XHLL2LVEXRVPT4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4/action/storage_attestation","attest_author":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4/action/author_attestation","sign_citation":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4/action/citation_signature","submit_replication":"https://pith.science/pith/3M7VKHA2MPF4XHLL2LVEXRVPT4/action/replication_record"}},"created_at":"2026-05-18T03:30:42.553452+00:00","updated_at":"2026-05-18T03:30:42.553452+00:00"}