{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:EANUJ7OVG62Q5YSFH7J74QAJUI","short_pith_number":"pith:EANUJ7OV","canonical_record":{"source":{"id":"2402.18809","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-29T02:30:39Z","cross_cats_sorted":[],"title_canon_sha256":"11b9cd89965fb2ad97f798aa8ea56006179307a75fda28aa64d5e7768d7211da","abstract_canon_sha256":"020ed7be49eff7ba7d147d5a2dc8b6ed1234e9974eb3a0a7cbd901eaeea85621"},"schema_version":"1.0"},"canonical_sha256":"201b44fdd537b50ee2453fd3fe4009a23527bdc8b101dda95c37d803402e4417","source":{"kind":"arxiv","id":"2402.18809","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.18809","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"arxiv_version","alias_value":"2402.18809v2","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.18809","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"pith_short_12","alias_value":"EANUJ7OVG62Q","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"pith_short_16","alias_value":"EANUJ7OVG62Q5YSF","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"pith_short_8","alias_value":"EANUJ7OV","created_at":"2026-07-05T09:45:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:EANUJ7OVG62Q5YSFH7J74QAJUI","target":"record","payload":{"canonical_record":{"source":{"id":"2402.18809","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-29T02:30:39Z","cross_cats_sorted":[],"title_canon_sha256":"11b9cd89965fb2ad97f798aa8ea56006179307a75fda28aa64d5e7768d7211da","abstract_canon_sha256":"020ed7be49eff7ba7d147d5a2dc8b6ed1234e9974eb3a0a7cbd901eaeea85621"},"schema_version":"1.0"},"canonical_sha256":"201b44fdd537b50ee2453fd3fe4009a23527bdc8b101dda95c37d803402e4417","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:45:45.022827Z","signature_b64":"nJ9fPc9syNJaQly8cUsrv1/7VdhyLgBGnI5QMVhEEFiN3dNi40EoVDcxs0y2+Y0uYnB8OliWmoz9nnw1yA5/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"201b44fdd537b50ee2453fd3fe4009a23527bdc8b101dda95c37d803402e4417","last_reissued_at":"2026-07-05T09:45:45.022362Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:45:45.022362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.18809","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:45:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YxxEbGhoAiDJ0fH92EB9KSkERkEqg8CIVmplTQTfPf6SbYatBRwp2WoPskqPZCR6q3WXK6W7AfMkAqSU4McRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T21:39:17.677646Z"},"content_sha256":"2d128189a3775f100d11599a420b829235f12cd795faaca7039a7c9cca3c1978","schema_version":"1.0","event_id":"sha256:2d128189a3775f100d11599a420b829235f12cd795faaca7039a7c9cca3c1978"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:EANUJ7OVG62Q5YSFH7J74QAJUI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement-enabled advantage for learning a bosonic random displacement channel","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Changhun Oh, Hsin-Yuan Huang, Jens A.H. Nielsen, John Preskill, Jonas S. Neergaard-Nielsen, Liang Jiang, Senrui Chen, Sisi Zhou, Ulrik L. Andersen, Yat Wong, Zheng-Hao Liu","submitted_at":"2024-02-29T02:30:39Z","abstract_excerpt":"We show that quantum entanglement can provide an exponential advantage in learning properties of a bosonic continuous-variable (CV) system. The task we consider is estimating a probabilistic mixture of displacement operators acting on $n$ bosonic modes, called a random displacement channel. We prove that if the $n$ modes are not entangled with an ancillary quantum memory, then the channel must be sampled a number of times exponential in $n$ in order to estimate its characteristic function to reasonable precision; this lower bound on sample complexity applies even if the channel inputs and meas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.18809","kind":"arxiv","version":2},"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/2402.18809/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":"2026-07-05T09:45:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"beHE+ShTPqEPS2LOf3x0aCNTIRFGhpP1ay9oC5JkHtq2/JZa7XMSNxQMASo8LDFNDPDSEbi1QSG/3iTFDus7AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T21:39:17.678244Z"},"content_sha256":"7b15e8ab3e551de89415a79dfdf70f5c4a1623303d1288ac83bb50f12a37b56f","schema_version":"1.0","event_id":"sha256:7b15e8ab3e551de89415a79dfdf70f5c4a1623303d1288ac83bb50f12a37b56f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EANUJ7OVG62Q5YSFH7J74QAJUI/bundle.json","state_url":"https://pith.science/pith/EANUJ7OVG62Q5YSFH7J74QAJUI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EANUJ7OVG62Q5YSFH7J74QAJUI/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":"2026-08-15T21:39:17Z","links":{"resolver":"https://pith.science/pith/EANUJ7OVG62Q5YSFH7J74QAJUI","bundle":"https://pith.science/pith/EANUJ7OVG62Q5YSFH7J74QAJUI/bundle.json","state":"https://pith.science/pith/EANUJ7OVG62Q5YSFH7J74QAJUI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EANUJ7OVG62Q5YSFH7J74QAJUI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:EANUJ7OVG62Q5YSFH7J74QAJUI","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":"020ed7be49eff7ba7d147d5a2dc8b6ed1234e9974eb3a0a7cbd901eaeea85621","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-29T02:30:39Z","title_canon_sha256":"11b9cd89965fb2ad97f798aa8ea56006179307a75fda28aa64d5e7768d7211da"},"schema_version":"1.0","source":{"id":"2402.18809","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.18809","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"arxiv_version","alias_value":"2402.18809v2","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.18809","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"pith_short_12","alias_value":"EANUJ7OVG62Q","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"pith_short_16","alias_value":"EANUJ7OVG62Q5YSF","created_at":"2026-07-05T09:45:45Z"},{"alias_kind":"pith_short_8","alias_value":"EANUJ7OV","created_at":"2026-07-05T09:45:45Z"}],"graph_snapshots":[{"event_id":"sha256:7b15e8ab3e551de89415a79dfdf70f5c4a1623303d1288ac83bb50f12a37b56f","target":"graph","created_at":"2026-07-05T09:45:45Z","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/2402.18809/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that quantum entanglement can provide an exponential advantage in learning properties of a bosonic continuous-variable (CV) system. The task we consider is estimating a probabilistic mixture of displacement operators acting on $n$ bosonic modes, called a random displacement channel. We prove that if the $n$ modes are not entangled with an ancillary quantum memory, then the channel must be sampled a number of times exponential in $n$ in order to estimate its characteristic function to reasonable precision; this lower bound on sample complexity applies even if the channel inputs and meas","authors_text":"Changhun Oh, Hsin-Yuan Huang, Jens A.H. Nielsen, John Preskill, Jonas S. Neergaard-Nielsen, Liang Jiang, Senrui Chen, Sisi Zhou, Ulrik L. Andersen, Yat Wong, Zheng-Hao Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-29T02:30:39Z","title":"Entanglement-enabled advantage for learning a bosonic random displacement channel"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.18809","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":"sha256:2d128189a3775f100d11599a420b829235f12cd795faaca7039a7c9cca3c1978","target":"record","created_at":"2026-07-05T09:45:45Z","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":"020ed7be49eff7ba7d147d5a2dc8b6ed1234e9974eb3a0a7cbd901eaeea85621","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-02-29T02:30:39Z","title_canon_sha256":"11b9cd89965fb2ad97f798aa8ea56006179307a75fda28aa64d5e7768d7211da"},"schema_version":"1.0","source":{"id":"2402.18809","kind":"arxiv","version":2}},"canonical_sha256":"201b44fdd537b50ee2453fd3fe4009a23527bdc8b101dda95c37d803402e4417","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"201b44fdd537b50ee2453fd3fe4009a23527bdc8b101dda95c37d803402e4417","first_computed_at":"2026-07-05T09:45:45.022362Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:45:45.022362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nJ9fPc9syNJaQly8cUsrv1/7VdhyLgBGnI5QMVhEEFiN3dNi40EoVDcxs0y2+Y0uYnB8OliWmoz9nnw1yA5/Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:45:45.022827Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.18809","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d128189a3775f100d11599a420b829235f12cd795faaca7039a7c9cca3c1978","sha256:7b15e8ab3e551de89415a79dfdf70f5c4a1623303d1288ac83bb50f12a37b56f"],"state_sha256":"3125cf9a157dba31bb82742d13e413abb14fcd2d25e9e191c182593b28b39cb6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OV1JuNIhSstQ42ZXafF4Tb9Pm3SDr1bw3D4LH1Oy+c5kqRmSt8lrisWSNRCPOpR83ANsrQST6X5evaKGpjQTCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T21:39:17.681936Z","bundle_sha256":"6444c0cee0b92e0aa28eda42597704b864d675244d48a9b5109f199953e42c1d"}}