{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:W3EQP45WUF2QMPQNH2X4FQ5WQK","short_pith_number":"pith:W3EQP45W","schema_version":"1.0","canonical_sha256":"b6c907f3b6a175063e0d3eafc2c3b68299199b633a3f6fc24006c263f0c9379d","source":{"kind":"arxiv","id":"quant-ph/0508055","version":1},"attestation_state":"computed","paper":{"title":"Separating the classical and quantum information via quantum cloning","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"F. De Martini, F. Sciarrino, J. Fiurasek, M. Ricci, N.J. Cerf, R. Filip","submitted_at":"2005-08-06T11:34:07Z","abstract_excerpt":"An application of quantum cloning to optimally interface a quantum system with a classical observer is presented, in particular we describe a procedure to perform a minimal disturbance measurement on a single qubit by adopting a 1->2 cloning machine followed by a generalized measurement on a single clone and the anti-clone or on the two clones. Such scheme has been applied to enhance the transmission fidelity over a lossy quantum channel."},"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/0508055","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-08-06T11:34:07Z","cross_cats_sorted":[],"title_canon_sha256":"67381e13ced3a341dd3895d785edb77bf5271c06de5532baad3fd4becda7ea9c","abstract_canon_sha256":"75f7e61c69be593bb64a0c92c695daef56c162379bfd890db06d021e9f2e58df"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:58:06.928628Z","signature_b64":"vy+tP9+V15CjHUPcOt05afqwIQWQRyJ2ZhIxjBasbYqsqgM+5d3mEElzX588h1JnfHaPzJqB35Deko2b9kcbCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6c907f3b6a175063e0d3eafc2c3b68299199b633a3f6fc24006c263f0c9379d","last_reissued_at":"2026-07-04T16:58:06.928233Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:58:06.928233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Separating the classical and quantum information via quantum cloning","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"F. De Martini, F. Sciarrino, J. Fiurasek, M. Ricci, N.J. Cerf, R. Filip","submitted_at":"2005-08-06T11:34:07Z","abstract_excerpt":"An application of quantum cloning to optimally interface a quantum system with a classical observer is presented, in particular we describe a procedure to perform a minimal disturbance measurement on a single qubit by adopting a 1->2 cloning machine followed by a generalized measurement on a single clone and the anti-clone or on the two clones. Such scheme has been applied to enhance the transmission fidelity over a lossy quantum channel."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0508055","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/0508055/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0508055","created_at":"2026-07-04T16:58:06.928289+00:00"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0508055v1","created_at":"2026-07-04T16:58:06.928289+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0508055","created_at":"2026-07-04T16:58:06.928289+00:00"},{"alias_kind":"pith_short_12","alias_value":"W3EQP45WUF2Q","created_at":"2026-07-04T16:58:06.928289+00:00"},{"alias_kind":"pith_short_16","alias_value":"W3EQP45WUF2QMPQN","created_at":"2026-07-04T16:58:06.928289+00:00"},{"alias_kind":"pith_short_8","alias_value":"W3EQP45W","created_at":"2026-07-04T16:58:06.928289+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/W3EQP45WUF2QMPQNH2X4FQ5WQK","json":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK.json","graph_json":"https://pith.science/api/pith-number/W3EQP45WUF2QMPQNH2X4FQ5WQK/graph.json","events_json":"https://pith.science/api/pith-number/W3EQP45WUF2QMPQNH2X4FQ5WQK/events.json","paper":"https://pith.science/paper/W3EQP45W"},"agent_actions":{"view_html":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK","download_json":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK.json","view_paper":"https://pith.science/paper/W3EQP45W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=quant-ph/0508055&json=true","fetch_graph":"https://pith.science/api/pith-number/W3EQP45WUF2QMPQNH2X4FQ5WQK/graph.json","fetch_events":"https://pith.science/api/pith-number/W3EQP45WUF2QMPQNH2X4FQ5WQK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK/action/storage_attestation","attest_author":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK/action/author_attestation","sign_citation":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK/action/citation_signature","submit_replication":"https://pith.science/pith/W3EQP45WUF2QMPQNH2X4FQ5WQK/action/replication_record"}},"created_at":"2026-07-04T16:58:06.928289+00:00","updated_at":"2026-07-04T16:58:06.928289+00:00"}