{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6YEEICZNR7JRGXLI6YVAH6MCY4","short_pith_number":"pith:6YEEICZN","canonical_record":{"source":{"id":"1707.00445","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-07-03T08:49:20Z","cross_cats_sorted":[],"title_canon_sha256":"f011ff817d02c20b810e9885276f86e7b2771c851ae127b57233b06bd358a918","abstract_canon_sha256":"1b5d5dc788e4f077d3074ec002b9b5d625813a55d8155da3a29849d4f785a79c"},"schema_version":"1.0"},"canonical_sha256":"f608440b2d8fd3135d68f62a03f982c713e80206e3f090e777b372999448b99c","source":{"kind":"arxiv","id":"1707.00445","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.00445","created_at":"2026-05-18T00:40:48Z"},{"alias_kind":"arxiv_version","alias_value":"1707.00445v1","created_at":"2026-05-18T00:40:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.00445","created_at":"2026-05-18T00:40:48Z"},{"alias_kind":"pith_short_12","alias_value":"6YEEICZNR7JR","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6YEEICZNR7JRGXLI","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6YEEICZN","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6YEEICZNR7JRGXLI6YVAH6MCY4","target":"record","payload":{"canonical_record":{"source":{"id":"1707.00445","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-07-03T08:49:20Z","cross_cats_sorted":[],"title_canon_sha256":"f011ff817d02c20b810e9885276f86e7b2771c851ae127b57233b06bd358a918","abstract_canon_sha256":"1b5d5dc788e4f077d3074ec002b9b5d625813a55d8155da3a29849d4f785a79c"},"schema_version":"1.0"},"canonical_sha256":"f608440b2d8fd3135d68f62a03f982c713e80206e3f090e777b372999448b99c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:48.398991Z","signature_b64":"feJcnYHUS0YG+dsy0LuDkO/1gj+s95bSYkk3jlYsjn2RI+HTR9h8PeUhTeNBclAw2WSc/Lm/ozXPRAEHFT9MAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f608440b2d8fd3135d68f62a03f982c713e80206e3f090e777b372999448b99c","last_reissued_at":"2026-05-18T00:40:48.398357Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:48.398357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.00445","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":"2026-05-18T00:40:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JlNbI3etTMM/+Zp5BHXb6OogfZEU3Jf+Gxw0eAzGmoMsW1wLfbvSentTi608gyKqv2j/MZQQuwIEZCxJuNN1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:23:14.852172Z"},"content_sha256":"dd3323646173737ac07f6b2666e27047ae421c19c64c29421a7d60b9ea52217b","schema_version":"1.0","event_id":"sha256:dd3323646173737ac07f6b2666e27047ae421c19c64c29421a7d60b9ea52217b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6YEEICZNR7JRGXLI6YVAH6MCY4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Privacy-preserving data outsourcing in the cloud via semantic data splitting","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"David S\\'anchez, Montserrat Batet","submitted_at":"2017-07-03T08:49:20Z","abstract_excerpt":"Even though cloud computing provides many intrinsic benefits, privacy concerns related to the lack of control over the storage and management of the outsourced data still prevent many customers from migrating to the cloud. Several privacy-protection mechanisms based on a prior encryption of the data to be outsourced have been proposed. Data encryption offers robust security, but at the cost of hampering the efficiency of the service and limiting the functionalities that can be applied over the (encrypted) data stored on cloud premises. Because both efficiency and functionality are crucial adva"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.00445","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":"2026-05-18T00:40:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yc97jDGvrEiJsdhx+BGmoTkcT+0wcrq9sfcUy/u35xEbnrr7N7olTj+3EB8X+dFxmgi2spthmgA5uSUF//h5DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:23:14.852780Z"},"content_sha256":"0550d52086c1fc53813343c88b0495944c9d82589809f7c8c6aee72473bbf824","schema_version":"1.0","event_id":"sha256:0550d52086c1fc53813343c88b0495944c9d82589809f7c8c6aee72473bbf824"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6YEEICZNR7JRGXLI6YVAH6MCY4/bundle.json","state_url":"https://pith.science/pith/6YEEICZNR7JRGXLI6YVAH6MCY4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6YEEICZNR7JRGXLI6YVAH6MCY4/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":"2026-05-28T00:23:14Z","links":{"resolver":"https://pith.science/pith/6YEEICZNR7JRGXLI6YVAH6MCY4","bundle":"https://pith.science/pith/6YEEICZNR7JRGXLI6YVAH6MCY4/bundle.json","state":"https://pith.science/pith/6YEEICZNR7JRGXLI6YVAH6MCY4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6YEEICZNR7JRGXLI6YVAH6MCY4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6YEEICZNR7JRGXLI6YVAH6MCY4","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":"1b5d5dc788e4f077d3074ec002b9b5d625813a55d8155da3a29849d4f785a79c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-07-03T08:49:20Z","title_canon_sha256":"f011ff817d02c20b810e9885276f86e7b2771c851ae127b57233b06bd358a918"},"schema_version":"1.0","source":{"id":"1707.00445","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.00445","created_at":"2026-05-18T00:40:48Z"},{"alias_kind":"arxiv_version","alias_value":"1707.00445v1","created_at":"2026-05-18T00:40:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.00445","created_at":"2026-05-18T00:40:48Z"},{"alias_kind":"pith_short_12","alias_value":"6YEEICZNR7JR","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6YEEICZNR7JRGXLI","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6YEEICZN","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:0550d52086c1fc53813343c88b0495944c9d82589809f7c8c6aee72473bbf824","target":"graph","created_at":"2026-05-18T00:40:48Z","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":"Even though cloud computing provides many intrinsic benefits, privacy concerns related to the lack of control over the storage and management of the outsourced data still prevent many customers from migrating to the cloud. Several privacy-protection mechanisms based on a prior encryption of the data to be outsourced have been proposed. Data encryption offers robust security, but at the cost of hampering the efficiency of the service and limiting the functionalities that can be applied over the (encrypted) data stored on cloud premises. Because both efficiency and functionality are crucial adva","authors_text":"David S\\'anchez, Montserrat Batet","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-07-03T08:49:20Z","title":"Privacy-preserving data outsourcing in the cloud via semantic data splitting"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.00445","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:dd3323646173737ac07f6b2666e27047ae421c19c64c29421a7d60b9ea52217b","target":"record","created_at":"2026-05-18T00:40:48Z","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":"1b5d5dc788e4f077d3074ec002b9b5d625813a55d8155da3a29849d4f785a79c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2017-07-03T08:49:20Z","title_canon_sha256":"f011ff817d02c20b810e9885276f86e7b2771c851ae127b57233b06bd358a918"},"schema_version":"1.0","source":{"id":"1707.00445","kind":"arxiv","version":1}},"canonical_sha256":"f608440b2d8fd3135d68f62a03f982c713e80206e3f090e777b372999448b99c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f608440b2d8fd3135d68f62a03f982c713e80206e3f090e777b372999448b99c","first_computed_at":"2026-05-18T00:40:48.398357Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:48.398357Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"feJcnYHUS0YG+dsy0LuDkO/1gj+s95bSYkk3jlYsjn2RI+HTR9h8PeUhTeNBclAw2WSc/Lm/ozXPRAEHFT9MAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:48.398991Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.00445","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd3323646173737ac07f6b2666e27047ae421c19c64c29421a7d60b9ea52217b","sha256:0550d52086c1fc53813343c88b0495944c9d82589809f7c8c6aee72473bbf824"],"state_sha256":"8c0c75a7069932eb89f4fc4db215f575dcdcb21aef68dd9ad0cf810f7ad556f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P88rdBTvYO9EJZsj5eqh710SExj8JBYJuu1DY2A0/5CNv9oFXXCMkpnpHxNtOL0oJ9FDID/xyL6MwP3kMV1sCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:23:14.855556Z","bundle_sha256":"175340d10a7bbe1dd1a46e99fd25faae353e803461b139ff40255dabc80af793"}}