{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1998:LZOXKGSQ2QBM2DUFCBBYOZ3DVQ","short_pith_number":"pith:LZOXKGSQ","schema_version":"1.0","canonical_sha256":"5e5d751a50d402cd0e851043876763ac002123ef8062b7a09c8b16cc17dedbca","source":{"kind":"arxiv","id":"quant-ph/9804021","version":1},"attestation_state":"computed","paper":{"title":"Quantum tomography of mesoscopic superpositions of radiation states","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Macchiavello, G.M.D'Ariano, Italy), L.Maccone (Dipartimento di Fisica ``A. Volta'', Pavia","submitted_at":"1998-04-08T18:09:07Z","abstract_excerpt":"We show the feasibility of a tomographic reconstruction of Schr\\\"{o}dinger cat states generated according to the scheme proposed by S. Song, C.M. Caves and B. Yurke [Phys. Rev. A 41, 5261 (1990)]. We present a technique that tolerates realistic values for quantum efficiency at photodetectors. The measurement can be achieved by a standard experimental setup."},"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":"quant-ph/9804021","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"1998-04-08T18:09:07Z","cross_cats_sorted":[],"title_canon_sha256":"327cef37e39e151df6e7242158456bbed9ab57af12d32940ac6fbddf5741fcb3","abstract_canon_sha256":"77d0223a300a9a26c5232208e2c82108906885cda67ac6d3ab7b4864d3a4c0d7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:11.673907Z","signature_b64":"ua/iObUjINsf94bW+Pa0LgIQeubDwdH0robqVs1wn800ZhqCBMIlceJnd3Daw+Ll17xswQgP8GzLbtyKsXpRCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e5d751a50d402cd0e851043876763ac002123ef8062b7a09c8b16cc17dedbca","last_reissued_at":"2026-05-18T04:22:11.673390Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:11.673390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum tomography of mesoscopic superpositions of radiation states","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"C. Macchiavello, G.M.D'Ariano, Italy), L.Maccone (Dipartimento di Fisica ``A. Volta'', Pavia","submitted_at":"1998-04-08T18:09:07Z","abstract_excerpt":"We show the feasibility of a tomographic reconstruction of Schr\\\"{o}dinger cat states generated according to the scheme proposed by S. Song, C.M. Caves and B. Yurke [Phys. Rev. A 41, 5261 (1990)]. We present a technique that tolerates realistic values for quantum efficiency at photodetectors. The measurement can be achieved by a standard experimental setup."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/9804021","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":"quant-ph/9804021","created_at":"2026-05-18T04:22:11.673473+00:00"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/9804021v1","created_at":"2026-05-18T04:22:11.673473+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/9804021","created_at":"2026-05-18T04:22:11.673473+00:00"},{"alias_kind":"pith_short_12","alias_value":"LZOXKGSQ2QBM","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_16","alias_value":"LZOXKGSQ2QBM2DUF","created_at":"2026-05-18T12:25:49.038998+00:00"},{"alias_kind":"pith_short_8","alias_value":"LZOXKGSQ","created_at":"2026-05-18T12:25:49.038998+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/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ","json":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ.json","graph_json":"https://pith.science/api/pith-number/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/graph.json","events_json":"https://pith.science/api/pith-number/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/events.json","paper":"https://pith.science/paper/LZOXKGSQ"},"agent_actions":{"view_html":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ","download_json":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ.json","view_paper":"https://pith.science/paper/LZOXKGSQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=quant-ph/9804021&json=true","fetch_graph":"https://pith.science/api/pith-number/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/graph.json","fetch_events":"https://pith.science/api/pith-number/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/action/storage_attestation","attest_author":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/action/author_attestation","sign_citation":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/action/citation_signature","submit_replication":"https://pith.science/pith/LZOXKGSQ2QBM2DUFCBBYOZ3DVQ/action/replication_record"}},"created_at":"2026-05-18T04:22:11.673473+00:00","updated_at":"2026-05-18T04:22:11.673473+00:00"}