{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:CNSV5GSHBEVTLPKSZV2W4URAVW","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":"6c7a9ad8aa87c253d5738ff752bf17c7320a3f3c05e17519f6ab543ecdd6ca4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-02-05T04:30:16Z","title_canon_sha256":"cf81ad5d50a9d7eb0d4461bff9007abd2cab08cccb55f379fc75651789d5af4e"},"schema_version":"1.0","source":{"id":"1302.0934","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.0934","created_at":"2026-05-18T03:27:22Z"},{"alias_kind":"arxiv_version","alias_value":"1302.0934v2","created_at":"2026-05-18T03:27:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.0934","created_at":"2026-05-18T03:27:22Z"},{"alias_kind":"pith_short_12","alias_value":"CNSV5GSHBEVT","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"CNSV5GSHBEVTLPKS","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"CNSV5GSH","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:f80d986240bd0819eb62910c5a466dba6235b9592a5bc7cc71521cce34d0785a","target":"graph","created_at":"2026-05-18T03:27:22Z","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"},"paper":{"abstract_excerpt":"We propose a definition of nonclassicality for a single-mode quantum-optical process based on its action on coherent states. If a quantum process transforms a coherent state to a nonclassical state, it is verified to be nonclassical. To identify nonclassical processes, we introduce a representation for quantum processes, called the process-nonclassicality quasiprobability distribution, whose negativities indicate nonclassicality of the process. Using this distribution, we derive a relation for predicting nonclassicality of the output states for a given input state. We experimentally demonstrat","authors_text":"Alessandro Zavatta, Marco Bellini, Saleh Rahimi-Keshari, Samuele Grandi, Thomas Kiesel, Werner Vogel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-02-05T04:30:16Z","title":"Quantum Process Nonclassicality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.0934","kind":"arxiv","version":2},"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":"sha256:459b1c201e4715451822e47249f2a40289776cc73dc0f8eb87cde6122624ecdf","target":"record","created_at":"2026-05-18T03:27:22Z","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":"6c7a9ad8aa87c253d5738ff752bf17c7320a3f3c05e17519f6ab543ecdd6ca4c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-02-05T04:30:16Z","title_canon_sha256":"cf81ad5d50a9d7eb0d4461bff9007abd2cab08cccb55f379fc75651789d5af4e"},"schema_version":"1.0","source":{"id":"1302.0934","kind":"arxiv","version":2}},"canonical_sha256":"13655e9a47092b35bd52cd756e5220adb39233273f06d69191eba141c5f37819","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13655e9a47092b35bd52cd756e5220adb39233273f06d69191eba141c5f37819","first_computed_at":"2026-05-18T03:27:22.563782Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:27:22.563782Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tZyy8NXz4tZBVKPg6ansLF3qOoY3cSxsjsBmbcJBJ9Zqq5pa3oaITnGgRDOiCrMW5e2S1JpHAYZ6DBmEkyTGAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:27:22.564223Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.0934","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:459b1c201e4715451822e47249f2a40289776cc73dc0f8eb87cde6122624ecdf","sha256:f80d986240bd0819eb62910c5a466dba6235b9592a5bc7cc71521cce34d0785a"],"state_sha256":"ba3a582743a38adc04db814abac8655a9525fb2f4281150047719d423c5297c4"}