{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:PVQVPD45ZHLOUGZ5OMY5FF4HMM","short_pith_number":"pith:PVQVPD45","schema_version":"1.0","canonical_sha256":"7d61578f9dc9d6ea1b3d7331d2978763330ed5391926959c33a226896bdeb31e","source":{"kind":"arxiv","id":"1703.02548","version":1},"attestation_state":"computed","paper":{"title":"Faithful conversion of propagating quantum information to mechanical motion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"A. P. Reed, E. Knill, J. D. Teufel, K. H. Mayer, K. W. Lehnert, L. D. Burkhart, L. Sletten, M. Reagor, R. J. Schoelkopf, W. Pfaff, X. Ma","submitted_at":"2017-03-07T19:00:04Z","abstract_excerpt":"We convert propagating qubits encoded as superpositions of zero and one photons to the motion of a micrometer-sized mechanical resonator. Using quantum state tomography, we determine the density matrix of both the propagating photons and the mechanical resonator. By comparing a sufficient set of states before and after conversion, we determine the average process fidelity to be $F_{\\textrm{avg}} = 0.83\\substack{+0.03-0.06}$ which exceeds the classical bound for the conversion of an arbitrary qubit state. This conversion ability is necessary for using mechanical resonators in emerging quantum c"},"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":"1703.02548","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-03-07T19:00:04Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"520903c9b55e1bf8fb589328288d9681bcdfafa307618774826ad9b12a536897","abstract_canon_sha256":"d294378143c6aebab8e97a746c0e70af9ff36cc3fc0bad57274c04878b5b8fa6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:00.883150Z","signature_b64":"9i4p4ZKSwsrpj9ARegUfjv3AsNXD8LTNU809suTAF2zjXGz9Xz/eeo8SOBuL6qO5uyCmo+NF99gzTCbe9mDOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7d61578f9dc9d6ea1b3d7331d2978763330ed5391926959c33a226896bdeb31e","last_reissued_at":"2026-05-18T00:26:00.882390Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:00.882390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Faithful conversion of propagating quantum information to mechanical motion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"quant-ph","authors_text":"A. P. Reed, E. Knill, J. D. Teufel, K. H. Mayer, K. W. Lehnert, L. D. Burkhart, L. Sletten, M. Reagor, R. J. Schoelkopf, W. Pfaff, X. Ma","submitted_at":"2017-03-07T19:00:04Z","abstract_excerpt":"We convert propagating qubits encoded as superpositions of zero and one photons to the motion of a micrometer-sized mechanical resonator. Using quantum state tomography, we determine the density matrix of both the propagating photons and the mechanical resonator. By comparing a sufficient set of states before and after conversion, we determine the average process fidelity to be $F_{\\textrm{avg}} = 0.83\\substack{+0.03-0.06}$ which exceeds the classical bound for the conversion of an arbitrary qubit state. This conversion ability is necessary for using mechanical resonators in emerging quantum c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.02548","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":""},"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":"1703.02548","created_at":"2026-05-18T00:26:00.882515+00:00"},{"alias_kind":"arxiv_version","alias_value":"1703.02548v1","created_at":"2026-05-18T00:26:00.882515+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.02548","created_at":"2026-05-18T00:26:00.882515+00:00"},{"alias_kind":"pith_short_12","alias_value":"PVQVPD45ZHLO","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_16","alias_value":"PVQVPD45ZHLOUGZ5","created_at":"2026-05-18T12:31:37.085036+00:00"},{"alias_kind":"pith_short_8","alias_value":"PVQVPD45","created_at":"2026-05-18T12:31:37.085036+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/PVQVPD45ZHLOUGZ5OMY5FF4HMM","json":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM.json","graph_json":"https://pith.science/api/pith-number/PVQVPD45ZHLOUGZ5OMY5FF4HMM/graph.json","events_json":"https://pith.science/api/pith-number/PVQVPD45ZHLOUGZ5OMY5FF4HMM/events.json","paper":"https://pith.science/paper/PVQVPD45"},"agent_actions":{"view_html":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM","download_json":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM.json","view_paper":"https://pith.science/paper/PVQVPD45","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1703.02548&json=true","fetch_graph":"https://pith.science/api/pith-number/PVQVPD45ZHLOUGZ5OMY5FF4HMM/graph.json","fetch_events":"https://pith.science/api/pith-number/PVQVPD45ZHLOUGZ5OMY5FF4HMM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM/action/storage_attestation","attest_author":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM/action/author_attestation","sign_citation":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM/action/citation_signature","submit_replication":"https://pith.science/pith/PVQVPD45ZHLOUGZ5OMY5FF4HMM/action/replication_record"}},"created_at":"2026-05-18T00:26:00.882515+00:00","updated_at":"2026-05-18T00:26:00.882515+00:00"}