{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:EVDJUOM2MMZZ5GF6VTDYDNDKAP","short_pith_number":"pith:EVDJUOM2","canonical_record":{"source":{"id":"1910.05062","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-11T10:12:59Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"a3aecf25f16ccf71f5c42f7c264967ba4135dac382d62716e39f973eaa9407bd","abstract_canon_sha256":"834a6d7e993034eb3c030ccd8727c9dab531bde72d31fd0ce8c6699abe8ad9ce"},"schema_version":"1.0"},"canonical_sha256":"25469a399a63339e98beacc781b46a03e28ddf35d8199a727ec3e27d22e6f68b","source":{"kind":"arxiv","id":"1910.05062","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.05062","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"arxiv_version","alias_value":"1910.05062v3","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.05062","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"pith_short_12","alias_value":"EVDJUOM2MMZZ","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"EVDJUOM2MMZZ5GF6","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"EVDJUOM2","created_at":"2026-07-05T01:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:EVDJUOM2MMZZ5GF6VTDYDNDKAP","target":"record","payload":{"canonical_record":{"source":{"id":"1910.05062","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-11T10:12:59Z","cross_cats_sorted":["math-ph","math.MP"],"title_canon_sha256":"a3aecf25f16ccf71f5c42f7c264967ba4135dac382d62716e39f973eaa9407bd","abstract_canon_sha256":"834a6d7e993034eb3c030ccd8727c9dab531bde72d31fd0ce8c6699abe8ad9ce"},"schema_version":"1.0"},"canonical_sha256":"25469a399a63339e98beacc781b46a03e28ddf35d8199a727ec3e27d22e6f68b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:31:08.858143Z","signature_b64":"ccY1YH92Bok1/djtA0CuhCNsFo/OQ/bKtctB6CnBsiFqLHw7K3GZdO5FlNKMrThnkXtv4xYWeQRq361xnI6aAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"25469a399a63339e98beacc781b46a03e28ddf35d8199a727ec3e27d22e6f68b","last_reissued_at":"2026-07-05T01:31:08.857653Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:31:08.857653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.05062","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:31:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RyCpfcaR7sDK7eEohLzVFhUq+sR/O5AfHWzbxkpEmHeQxRBbx7mXKOC57W3SE1doIylfYnySB6K1o1ITx34pAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:18:33.626416Z"},"content_sha256":"1e93d917da269ef0d3f6545821d577f9b152bcfd8c302cff14aaf0b7df4db00f","schema_version":"1.0","event_id":"sha256:1e93d917da269ef0d3f6545821d577f9b152bcfd8c302cff14aaf0b7df4db00f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:EVDJUOM2MMZZ5GF6VTDYDNDKAP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information capacity of continuous variable measurement channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP"],"primary_cat":"quant-ph","authors_text":"A. A. Kuznetsova, A. S. Holevo","submitted_at":"2019-10-11T10:12:59Z","abstract_excerpt":"The present paper is devoted to investigation of the classical capacity of infinite-dimensional quantum measurement channels. A number of usable conditions are introduced that enable us to apply previously obtained general results to specific models, in particular, to the multi-mode bosonic Gaussian measurement channels. An explicit formula for the classical capacity of the Gaussian measurement channel is obtained in this paper without assuming the global gauge symmetry, solely under certain \"threshold condition\". The result is illustrated by the capacity computation for one-mode squeezed-nois"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.05062","kind":"arxiv","version":3},"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/1910.05062/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:31:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uAOICAQJ1yo9mX55AOd/dYeEk4D98uHaocwK4ST20p12isPOiD6a0CmfIAdlGutkNYKAk+Y8r/sZbbXM3QT/Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T20:18:33.627309Z"},"content_sha256":"98a84981c92d99a1e28bb2a058042ee7bbc839f2e8fce61450131f4c32fa6550","schema_version":"1.0","event_id":"sha256:98a84981c92d99a1e28bb2a058042ee7bbc839f2e8fce61450131f4c32fa6550"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVDJUOM2MMZZ5GF6VTDYDNDKAP/bundle.json","state_url":"https://pith.science/pith/EVDJUOM2MMZZ5GF6VTDYDNDKAP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVDJUOM2MMZZ5GF6VTDYDNDKAP/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-03T20:18:33Z","links":{"resolver":"https://pith.science/pith/EVDJUOM2MMZZ5GF6VTDYDNDKAP","bundle":"https://pith.science/pith/EVDJUOM2MMZZ5GF6VTDYDNDKAP/bundle.json","state":"https://pith.science/pith/EVDJUOM2MMZZ5GF6VTDYDNDKAP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVDJUOM2MMZZ5GF6VTDYDNDKAP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:EVDJUOM2MMZZ5GF6VTDYDNDKAP","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":"834a6d7e993034eb3c030ccd8727c9dab531bde72d31fd0ce8c6699abe8ad9ce","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-11T10:12:59Z","title_canon_sha256":"a3aecf25f16ccf71f5c42f7c264967ba4135dac382d62716e39f973eaa9407bd"},"schema_version":"1.0","source":{"id":"1910.05062","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.05062","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"arxiv_version","alias_value":"1910.05062v3","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.05062","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"pith_short_12","alias_value":"EVDJUOM2MMZZ","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"EVDJUOM2MMZZ5GF6","created_at":"2026-07-05T01:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"EVDJUOM2","created_at":"2026-07-05T01:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:98a84981c92d99a1e28bb2a058042ee7bbc839f2e8fce61450131f4c32fa6550","target":"graph","created_at":"2026-07-05T01:31:08Z","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/1910.05062/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The present paper is devoted to investigation of the classical capacity of infinite-dimensional quantum measurement channels. A number of usable conditions are introduced that enable us to apply previously obtained general results to specific models, in particular, to the multi-mode bosonic Gaussian measurement channels. An explicit formula for the classical capacity of the Gaussian measurement channel is obtained in this paper without assuming the global gauge symmetry, solely under certain \"threshold condition\". The result is illustrated by the capacity computation for one-mode squeezed-nois","authors_text":"A. A. Kuznetsova, A. S. Holevo","cross_cats":["math-ph","math.MP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-11T10:12:59Z","title":"Information capacity of continuous variable measurement channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.05062","kind":"arxiv","version":3},"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":"sha256:1e93d917da269ef0d3f6545821d577f9b152bcfd8c302cff14aaf0b7df4db00f","target":"record","created_at":"2026-07-05T01:31:08Z","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":"834a6d7e993034eb3c030ccd8727c9dab531bde72d31fd0ce8c6699abe8ad9ce","cross_cats_sorted":["math-ph","math.MP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-11T10:12:59Z","title_canon_sha256":"a3aecf25f16ccf71f5c42f7c264967ba4135dac382d62716e39f973eaa9407bd"},"schema_version":"1.0","source":{"id":"1910.05062","kind":"arxiv","version":3}},"canonical_sha256":"25469a399a63339e98beacc781b46a03e28ddf35d8199a727ec3e27d22e6f68b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"25469a399a63339e98beacc781b46a03e28ddf35d8199a727ec3e27d22e6f68b","first_computed_at":"2026-07-05T01:31:08.857653Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:31:08.857653Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ccY1YH92Bok1/djtA0CuhCNsFo/OQ/bKtctB6CnBsiFqLHw7K3GZdO5FlNKMrThnkXtv4xYWeQRq361xnI6aAw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:31:08.858143Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.05062","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e93d917da269ef0d3f6545821d577f9b152bcfd8c302cff14aaf0b7df4db00f","sha256:98a84981c92d99a1e28bb2a058042ee7bbc839f2e8fce61450131f4c32fa6550"],"state_sha256":"069fca1904f370e582cbbf807bafe782e98438a64324e447ef719b2280aebab2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BZ8Vq5zc6XFhA7TIvzV9DAl562zEXgxQcC/t2Dq5GANQ6pfojNatHmTF3EsdMLDOe72N1r0U57DsMW05nCDnBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T20:18:33.631876Z","bundle_sha256":"1a7debb324f438564c41e9d641605185d3846db698b9b01480c2ba92ae05060c"}}