{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6SGCY3U2ODHJKZWLT7W7P7IDES","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":"7b8b81909fd523c93d97c9489a97fc5a87d64b00c97b258189238ddc3bea2900","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-10T12:16:57Z","title_canon_sha256":"6c36289ab017df49f27eb86c901310b06d613b86343a103481a75b107b4ba1e1"},"schema_version":"1.0","source":{"id":"2608.09518","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.09518","created_at":"2026-08-11T02:24:23Z"},{"alias_kind":"arxiv_version","alias_value":"2608.09518v1","created_at":"2026-08-11T02:24:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.09518","created_at":"2026-08-11T02:24:23Z"},{"alias_kind":"pith_short_12","alias_value":"6SGCY3U2ODHJ","created_at":"2026-08-11T02:24:23Z"},{"alias_kind":"pith_short_16","alias_value":"6SGCY3U2ODHJKZWL","created_at":"2026-08-11T02:24:23Z"},{"alias_kind":"pith_short_8","alias_value":"6SGCY3U2","created_at":"2026-08-11T02:24:23Z"}],"graph_snapshots":[{"event_id":"sha256:b239c7f71feb98f19677c6e9c1c7c05a382566149f36cb6ffa3af1839488985a","target":"graph","created_at":"2026-08-11T02:24:23Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2608.09518/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Compound beams composed of simple experimental blocks (detected in simultaneous detection windows) that form specific quantum-correlated structures are suggested for simulating the properties of different quantum operations used for creating highly nonclassical and entangled multi-mode states needed in quantum communication, metrology, and information protocols. Qualitative and quantitative comparison of multi-photon addition and subtraction in compound multi-mode thermal as well as sub-Poissonian beams and multi-mode twin beams with their intensities extending over two orders in magnitude is ","authors_text":"Antonin Cernoch, Jan Perina Jr., Kishore Thapliyal, Pavel Pavlicek","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-10T12:16:57Z","title":"Compound beams for direct experimental comparison of quantum operations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.09518","kind":"arxiv","version":1},"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:cda590e0c8bb95ea22db2ec344e553df342640949fca3fdffadea3e2c4cf67dd","target":"record","created_at":"2026-08-11T02:24:23Z","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":"7b8b81909fd523c93d97c9489a97fc5a87d64b00c97b258189238ddc3bea2900","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-08-10T12:16:57Z","title_canon_sha256":"6c36289ab017df49f27eb86c901310b06d613b86343a103481a75b107b4ba1e1"},"schema_version":"1.0","source":{"id":"2608.09518","kind":"arxiv","version":1}},"canonical_sha256":"f48c2c6e9a70ce9566cb9fedf7fd0324a83243901dc01678036296b6e733c569","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f48c2c6e9a70ce9566cb9fedf7fd0324a83243901dc01678036296b6e733c569","first_computed_at":"2026-08-11T02:24:23.664150Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-11T02:24:23.664150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q3s+JT/i8bRsxyDfJAjlVsauXX3DQC6Pz0ySETCFMHuQgDV8fhRatRSTK/7K68LQJpf5m8zapRmS7m1ogds7CA==","signature_status":"signed_v1","signed_at":"2026-08-11T02:24:23.665847Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.09518","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cda590e0c8bb95ea22db2ec344e553df342640949fca3fdffadea3e2c4cf67dd","sha256:b239c7f71feb98f19677c6e9c1c7c05a382566149f36cb6ffa3af1839488985a"],"state_sha256":"b2dca09229bb7fa930f5532f9c557025462688a75903e696da01aa0e430a230f"}