{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:TNHIP2IO4SQR5QGYTNQXTCNTBM","short_pith_number":"pith:TNHIP2IO","canonical_record":{"source":{"id":"2007.01668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-07-03T13:15:13Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"f3c532ca1f06e8c924944c31345d936f430c2b810ef4dcf70f4ea2d0d695afa8","abstract_canon_sha256":"8f135325e537fa08ed3e59f6df49fb7968dd458db033a564f9f973fcd42973b7"},"schema_version":"1.0"},"canonical_sha256":"9b4e87e90ee4a11ec0d89b617989b30b0661fc96f15a7254b47fc29d671839a0","source":{"kind":"arxiv","id":"2007.01668","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.01668","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"arxiv_version","alias_value":"2007.01668v1","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.01668","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"pith_short_12","alias_value":"TNHIP2IO4SQR","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"pith_short_16","alias_value":"TNHIP2IO4SQR5QGY","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"pith_short_8","alias_value":"TNHIP2IO","created_at":"2026-07-05T02:10:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:TNHIP2IO4SQR5QGYTNQXTCNTBM","target":"record","payload":{"canonical_record":{"source":{"id":"2007.01668","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-07-03T13:15:13Z","cross_cats_sorted":["cs.CR"],"title_canon_sha256":"f3c532ca1f06e8c924944c31345d936f430c2b810ef4dcf70f4ea2d0d695afa8","abstract_canon_sha256":"8f135325e537fa08ed3e59f6df49fb7968dd458db033a564f9f973fcd42973b7"},"schema_version":"1.0"},"canonical_sha256":"9b4e87e90ee4a11ec0d89b617989b30b0661fc96f15a7254b47fc29d671839a0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:10:25.680900Z","signature_b64":"k4E56q5WVN79mn8gEDVgvQUwG+aHmLR4jeTPFb74/bxgeXEy9lPdaqX6QAfuchtf2gWiH7YmZDcDssIAotlSCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b4e87e90ee4a11ec0d89b617989b30b0661fc96f15a7254b47fc29d671839a0","last_reissued_at":"2026-07-05T02:10:25.680483Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:10:25.680483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.01668","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:10:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kK3MLoF2PhHH6AGqkmjaARsTfhPGrl9UY/8sCV5ZNHT7oq+gRoI0wLlESrfDUYZFqK7nz0Xfn2XQ7fyjV4PTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:59:57.617065Z"},"content_sha256":"be0d29fa3f3c1075131a9505b240e691d0eaf7dab106a3d9017f64cafae042b9","schema_version":"1.0","event_id":"sha256:be0d29fa3f3c1075131a9505b240e691d0eaf7dab106a3d9017f64cafae042b9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:TNHIP2IO4SQR5QGYTNQXTCNTBM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Security Limitations of Classical-Client Delegated Quantum Computing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CR"],"primary_cat":"quant-ph","authors_text":"Alexandru Cojocaru, Atul Mantri, Christian Badertscher, Dominik Leichtle, Elham Kashefi, L\\'eo Colisson, Petros Wallden","submitted_at":"2020-07-03T13:15:13Z","abstract_excerpt":"Secure delegated quantum computing allows a computationally weak client to outsource an arbitrary quantum computation to an untrusted quantum server in a privacy-preserving manner. One of the promising candidates to achieve classical delegation of quantum computation is classical-client remote state preparation ($RSP_{CC}$), where a client remotely prepares a quantum state using a classical channel. However, the privacy loss incurred by employing $RSP_{CC}$ as a sub-module is unclear.\n  In this work, we investigate this question using the Constructive Cryptography framework by Maurer and Renne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.01668","kind":"arxiv","version":1},"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/2007.01668/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":"2026-07-05T02:10:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ze6qYNKfborjjChjl9v7xDydKv9p5fs5VRo2tAB8eNd0dMQssV0l2BZmq0WNBnnc+6u67+z1UiaABjuJ+0u7CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:59:57.617384Z"},"content_sha256":"4d334c738e3e05de782326b534dc6cd0f8e4fbedcd71dc490d04554b81f70184","schema_version":"1.0","event_id":"sha256:4d334c738e3e05de782326b534dc6cd0f8e4fbedcd71dc490d04554b81f70184"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TNHIP2IO4SQR5QGYTNQXTCNTBM/bundle.json","state_url":"https://pith.science/pith/TNHIP2IO4SQR5QGYTNQXTCNTBM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TNHIP2IO4SQR5QGYTNQXTCNTBM/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":"2026-08-14T21:59:57Z","links":{"resolver":"https://pith.science/pith/TNHIP2IO4SQR5QGYTNQXTCNTBM","bundle":"https://pith.science/pith/TNHIP2IO4SQR5QGYTNQXTCNTBM/bundle.json","state":"https://pith.science/pith/TNHIP2IO4SQR5QGYTNQXTCNTBM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TNHIP2IO4SQR5QGYTNQXTCNTBM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:TNHIP2IO4SQR5QGYTNQXTCNTBM","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":"8f135325e537fa08ed3e59f6df49fb7968dd458db033a564f9f973fcd42973b7","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-07-03T13:15:13Z","title_canon_sha256":"f3c532ca1f06e8c924944c31345d936f430c2b810ef4dcf70f4ea2d0d695afa8"},"schema_version":"1.0","source":{"id":"2007.01668","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.01668","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"arxiv_version","alias_value":"2007.01668v1","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.01668","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"pith_short_12","alias_value":"TNHIP2IO4SQR","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"pith_short_16","alias_value":"TNHIP2IO4SQR5QGY","created_at":"2026-07-05T02:10:25Z"},{"alias_kind":"pith_short_8","alias_value":"TNHIP2IO","created_at":"2026-07-05T02:10:25Z"}],"graph_snapshots":[{"event_id":"sha256:4d334c738e3e05de782326b534dc6cd0f8e4fbedcd71dc490d04554b81f70184","target":"graph","created_at":"2026-07-05T02:10:25Z","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/2007.01668/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Secure delegated quantum computing allows a computationally weak client to outsource an arbitrary quantum computation to an untrusted quantum server in a privacy-preserving manner. One of the promising candidates to achieve classical delegation of quantum computation is classical-client remote state preparation ($RSP_{CC}$), where a client remotely prepares a quantum state using a classical channel. However, the privacy loss incurred by employing $RSP_{CC}$ as a sub-module is unclear.\n  In this work, we investigate this question using the Constructive Cryptography framework by Maurer and Renne","authors_text":"Alexandru Cojocaru, Atul Mantri, Christian Badertscher, Dominik Leichtle, Elham Kashefi, L\\'eo Colisson, Petros Wallden","cross_cats":["cs.CR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-07-03T13:15:13Z","title":"Security Limitations of Classical-Client Delegated Quantum Computing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.01668","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:be0d29fa3f3c1075131a9505b240e691d0eaf7dab106a3d9017f64cafae042b9","target":"record","created_at":"2026-07-05T02:10:25Z","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":"8f135325e537fa08ed3e59f6df49fb7968dd458db033a564f9f973fcd42973b7","cross_cats_sorted":["cs.CR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-07-03T13:15:13Z","title_canon_sha256":"f3c532ca1f06e8c924944c31345d936f430c2b810ef4dcf70f4ea2d0d695afa8"},"schema_version":"1.0","source":{"id":"2007.01668","kind":"arxiv","version":1}},"canonical_sha256":"9b4e87e90ee4a11ec0d89b617989b30b0661fc96f15a7254b47fc29d671839a0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b4e87e90ee4a11ec0d89b617989b30b0661fc96f15a7254b47fc29d671839a0","first_computed_at":"2026-07-05T02:10:25.680483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:10:25.680483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k4E56q5WVN79mn8gEDVgvQUwG+aHmLR4jeTPFb74/bxgeXEy9lPdaqX6QAfuchtf2gWiH7YmZDcDssIAotlSCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:10:25.680900Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.01668","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be0d29fa3f3c1075131a9505b240e691d0eaf7dab106a3d9017f64cafae042b9","sha256:4d334c738e3e05de782326b534dc6cd0f8e4fbedcd71dc490d04554b81f70184"],"state_sha256":"c77c4243186ef0ecfa02724bc95eb21276091737bfa816be9f253788c31749ca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MZ5WAxQwd6LlOzuK3bQV/Muum0Wmz29AHlmjg0/CWfCSxGe1Y7Laqua3HFeQRsm+OcNCdIAXEfoGkglkt4uqCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T21:59:57.621304Z","bundle_sha256":"cf8de2baac09d26be9ea6fd806509d1623e798d5e5c2d488e8bf01293789cdb0"}}