{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:GYNMWGBZFJ2WKPMC56ZHQO5GI7","short_pith_number":"pith:GYNMWGBZ","canonical_record":{"source":{"id":"1607.07372","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-25T17:34:04Z","cross_cats_sorted":[],"title_canon_sha256":"c7a47f4d8b7ea56e7faa560bbd07486626720c0838b71614029e6206fb16cb4e","abstract_canon_sha256":"1d36a04dbf45b7de54baf97a4ac0c223fd03d14892aafd70464736bc9de3e84a"},"schema_version":"1.0"},"canonical_sha256":"361acb18392a75653d82efb2783ba647e6677ed95859d4430eeef5818756ae03","source":{"kind":"arxiv","id":"1607.07372","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.07372","created_at":"2026-05-18T00:55:00Z"},{"alias_kind":"arxiv_version","alias_value":"1607.07372v1","created_at":"2026-05-18T00:55:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.07372","created_at":"2026-05-18T00:55:00Z"},{"alias_kind":"pith_short_12","alias_value":"GYNMWGBZFJ2W","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GYNMWGBZFJ2WKPMC","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GYNMWGBZ","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:GYNMWGBZFJ2WKPMC56ZHQO5GI7","target":"record","payload":{"canonical_record":{"source":{"id":"1607.07372","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-25T17:34:04Z","cross_cats_sorted":[],"title_canon_sha256":"c7a47f4d8b7ea56e7faa560bbd07486626720c0838b71614029e6206fb16cb4e","abstract_canon_sha256":"1d36a04dbf45b7de54baf97a4ac0c223fd03d14892aafd70464736bc9de3e84a"},"schema_version":"1.0"},"canonical_sha256":"361acb18392a75653d82efb2783ba647e6677ed95859d4430eeef5818756ae03","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:00.067122Z","signature_b64":"W9jWgDF6/vZ2IJ07guhfmH1FxUC2iCqpxT0hccnGVzwDl+TfQ7+uWC22fChUxU7kml0xiGQfJHJp1She7oIbDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"361acb18392a75653d82efb2783ba647e6677ed95859d4430eeef5818756ae03","last_reissued_at":"2026-05-18T00:55:00.066573Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:00.066573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1607.07372","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":"2026-05-18T00:55:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J/lRt8pH1peoR8GgDw/hK5H0tBHtcMw/9fr8Bx/99c+c176Y9JxCbq8gRedc99OfD4ae6l1FnpaSR6IYk9MbBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:25:22.018505Z"},"content_sha256":"7749c0802518f3c9948b8e81be6deaf6f839314b045843d4ebdcd6abed750129","schema_version":"1.0","event_id":"sha256:7749c0802518f3c9948b8e81be6deaf6f839314b045843d4ebdcd6abed750129"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:GYNMWGBZFJ2WKPMC56ZHQO5GI7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Practical quantum computing on encrypted data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Christian S. Jacobsen, Christian Weedbrook, Clemens Schafermeier, Kevin Marshall, Tobias Gehring, Ulrik L. Andersen","submitted_at":"2016-07-25T17:34:04Z","abstract_excerpt":"The ability to perform computations on encrypted data is a powerful tool for protecting a client's privacy, especially in today's era of cloud and distributed computing. In terms of privacy, the best solutions that classical techniques can achieve are unfortunately not unconditionally secure in the sense that they are dependent on a hacker's computational power. Here we theoretically investigate, and experimentally demonstrate with Gaussian displacement and squeezing operations, a quantum solution that achieves the unconditional security of a user's privacy using the practical technology of co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.07372","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":""},"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":"2026-05-18T00:55:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5le7gpiNgtnprhnfaw+j7sdC2htCwcl0RdpoxuZl6yaxO8Jq80bXu+PLSxzyfIE8KqD4hOkLOAJRu3bcfAPdDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T08:25:22.019171Z"},"content_sha256":"b977044b82ee3442704db14a8e88a57acfa047578d6d24d43da45d3f5b9ef3ad","schema_version":"1.0","event_id":"sha256:b977044b82ee3442704db14a8e88a57acfa047578d6d24d43da45d3f5b9ef3ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GYNMWGBZFJ2WKPMC56ZHQO5GI7/bundle.json","state_url":"https://pith.science/pith/GYNMWGBZFJ2WKPMC56ZHQO5GI7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GYNMWGBZFJ2WKPMC56ZHQO5GI7/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":"2026-06-07T08:25:22Z","links":{"resolver":"https://pith.science/pith/GYNMWGBZFJ2WKPMC56ZHQO5GI7","bundle":"https://pith.science/pith/GYNMWGBZFJ2WKPMC56ZHQO5GI7/bundle.json","state":"https://pith.science/pith/GYNMWGBZFJ2WKPMC56ZHQO5GI7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GYNMWGBZFJ2WKPMC56ZHQO5GI7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:GYNMWGBZFJ2WKPMC56ZHQO5GI7","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":"1d36a04dbf45b7de54baf97a4ac0c223fd03d14892aafd70464736bc9de3e84a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-25T17:34:04Z","title_canon_sha256":"c7a47f4d8b7ea56e7faa560bbd07486626720c0838b71614029e6206fb16cb4e"},"schema_version":"1.0","source":{"id":"1607.07372","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.07372","created_at":"2026-05-18T00:55:00Z"},{"alias_kind":"arxiv_version","alias_value":"1607.07372v1","created_at":"2026-05-18T00:55:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.07372","created_at":"2026-05-18T00:55:00Z"},{"alias_kind":"pith_short_12","alias_value":"GYNMWGBZFJ2W","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"GYNMWGBZFJ2WKPMC","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"GYNMWGBZ","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:b977044b82ee3442704db14a8e88a57acfa047578d6d24d43da45d3f5b9ef3ad","target":"graph","created_at":"2026-05-18T00:55:00Z","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":"The ability to perform computations on encrypted data is a powerful tool for protecting a client's privacy, especially in today's era of cloud and distributed computing. In terms of privacy, the best solutions that classical techniques can achieve are unfortunately not unconditionally secure in the sense that they are dependent on a hacker's computational power. Here we theoretically investigate, and experimentally demonstrate with Gaussian displacement and squeezing operations, a quantum solution that achieves the unconditional security of a user's privacy using the practical technology of co","authors_text":"Christian S. Jacobsen, Christian Weedbrook, Clemens Schafermeier, Kevin Marshall, Tobias Gehring, Ulrik L. Andersen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-25T17:34:04Z","title":"Practical quantum computing on encrypted data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.07372","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":"sha256:7749c0802518f3c9948b8e81be6deaf6f839314b045843d4ebdcd6abed750129","target":"record","created_at":"2026-05-18T00:55:00Z","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":"1d36a04dbf45b7de54baf97a4ac0c223fd03d14892aafd70464736bc9de3e84a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-07-25T17:34:04Z","title_canon_sha256":"c7a47f4d8b7ea56e7faa560bbd07486626720c0838b71614029e6206fb16cb4e"},"schema_version":"1.0","source":{"id":"1607.07372","kind":"arxiv","version":1}},"canonical_sha256":"361acb18392a75653d82efb2783ba647e6677ed95859d4430eeef5818756ae03","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"361acb18392a75653d82efb2783ba647e6677ed95859d4430eeef5818756ae03","first_computed_at":"2026-05-18T00:55:00.066573Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:00.066573Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"W9jWgDF6/vZ2IJ07guhfmH1FxUC2iCqpxT0hccnGVzwDl+TfQ7+uWC22fChUxU7kml0xiGQfJHJp1She7oIbDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:00.067122Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.07372","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7749c0802518f3c9948b8e81be6deaf6f839314b045843d4ebdcd6abed750129","sha256:b977044b82ee3442704db14a8e88a57acfa047578d6d24d43da45d3f5b9ef3ad"],"state_sha256":"3b5dd42b133b27e9fede42e0cf555d39b8417ca52dc93d262664bf8b515d1e47"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/jNW9a/5qLnu+/IYNxqqY3RTy3kWdjRZ9JqPERtZK5XJs8TDc+CBdyX1G/N51Yo3uLh3yZEoj7zhJ7tOeqIRCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T08:25:22.023042Z","bundle_sha256":"efa335ea1b6dffd2eef7dc4410f586eb525cdbf117b67f87a6966306fd9d238d"}}