{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:VS2VSMPLFZESMBC3T2OVJHB2UE","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":"708f0ec3d9e785337a21e88c07a99b8f70e198d3a4ba58b714cd0cdcfa8b9031","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T08:32:00Z","title_canon_sha256":"726dd304048adcfe97c98f6c6b5abd5aa9a8e2cc6c1319d68905777394a97779"},"schema_version":"1.0","source":{"id":"1309.3058","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3058","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3058v2","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3058","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"pith_short_12","alias_value":"VS2VSMPLFZES","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_16","alias_value":"VS2VSMPLFZESMBC3","created_at":"2026-05-18T12:28:04Z"},{"alias_kind":"pith_short_8","alias_value":"VS2VSMPL","created_at":"2026-05-18T12:28:04Z"}],"graph_snapshots":[{"event_id":"sha256:6fb667a945aff0889d0b7f35006e5ef8f210139ce3b7ea3e1a93c546309067bb","target":"graph","created_at":"2026-05-18T01:47:42Z","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 present a general method to detect nonclassical radiation fields with systems of on-off detectors. We especially study higher order correlations for the identification of nonclassical radiation. This allows us to directly characterize quantum correlations by the statistics measured with systems of on-off detectors. Additionally, we generalize our method to multiple detector systems for measurements of correlations between light fields. We also consider multi-mode radiation fields and isolate nonclassicality in terms of the space time correlations. Finally, we present results for the quantum","authors_text":"G. S. Agarwal, J. Sperling, W. Vogel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T08:32:00Z","title":"Correlation measurements with on-off detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3058","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":"sha256:71b1ad7291ceea008aea0954f5e3919ef08f7ad85aa1a0570e84102a598e3b8b","target":"record","created_at":"2026-05-18T01:47:42Z","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":"708f0ec3d9e785337a21e88c07a99b8f70e198d3a4ba58b714cd0cdcfa8b9031","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-09-12T08:32:00Z","title_canon_sha256":"726dd304048adcfe97c98f6c6b5abd5aa9a8e2cc6c1319d68905777394a97779"},"schema_version":"1.0","source":{"id":"1309.3058","kind":"arxiv","version":2}},"canonical_sha256":"acb55931eb2e4926045b9e9d549c3aa1187eea70a135f9c985b3f4c4ce6677a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acb55931eb2e4926045b9e9d549c3aa1187eea70a135f9c985b3f4c4ce6677a3","first_computed_at":"2026-05-18T01:47:42.824934Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:42.824934Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7F+R3hNAiu6uxM6NjVCD5TFn2UivsaywV6DQDigehW/Bocc28aJuJM8qE9bmCIxTT+gCdojKr4dJ3UH9xlMNBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:42.825446Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.3058","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71b1ad7291ceea008aea0954f5e3919ef08f7ad85aa1a0570e84102a598e3b8b","sha256:6fb667a945aff0889d0b7f35006e5ef8f210139ce3b7ea3e1a93c546309067bb"],"state_sha256":"e678fba764b2f3bd7ae6ed2935e4695205631f2589f4742ba3c5ca2eff25a0af"}