{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:FY6BK74CPDCU4GFRXESZXNIRCX","short_pith_number":"pith:FY6BK74C","canonical_record":{"source":{"id":"1810.10746","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-10-25T07:33:58Z","cross_cats_sorted":[],"title_canon_sha256":"ed28fbf920752fcb2c16ea7dc57010e045b1f2a41e0763b67b38285fc77809f7","abstract_canon_sha256":"a7fa68dffbb4edfb87e48db49c50b5008bf7135744b1d99571a1c0c19636d33d"},"schema_version":"1.0"},"canonical_sha256":"2e3c157f8278c54e18b1b9259bb51115c47bc7586b7048925a153ae3f73620bc","source":{"kind":"arxiv","id":"1810.10746","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10746","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10746v1","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10746","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"pith_short_12","alias_value":"FY6BK74CPDCU","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"FY6BK74CPDCU4GFR","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"FY6BK74C","created_at":"2026-05-18T12:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:FY6BK74CPDCU4GFRXESZXNIRCX","target":"record","payload":{"canonical_record":{"source":{"id":"1810.10746","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-10-25T07:33:58Z","cross_cats_sorted":[],"title_canon_sha256":"ed28fbf920752fcb2c16ea7dc57010e045b1f2a41e0763b67b38285fc77809f7","abstract_canon_sha256":"a7fa68dffbb4edfb87e48db49c50b5008bf7135744b1d99571a1c0c19636d33d"},"schema_version":"1.0"},"canonical_sha256":"2e3c157f8278c54e18b1b9259bb51115c47bc7586b7048925a153ae3f73620bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:19.770105Z","signature_b64":"e7Q9gvtCxEwO8h+FTqOk5SQxJumD/XtxVij1ZVmsqeDBtOT6QlOxnJgxXQCApqFxbyQoZrzdwAYLb9CdIozxAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2e3c157f8278c54e18b1b9259bb51115c47bc7586b7048925a153ae3f73620bc","last_reissued_at":"2026-05-18T00:02:19.769735Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:19.769735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.10746","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":"2026-05-18T00:02:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ETOat5rRV3EE42dGrsPkidKZhRYRIA4+NtMT9xscN7568oZCsqhTpHRRpv4CG0vyaW9ior2EaOFXUG/gZodmBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T12:36:02.289444Z"},"content_sha256":"de100d05966a8289daf7e4db7d17dc663d4dd73177a71131941c679a50023b26","schema_version":"1.0","event_id":"sha256:de100d05966a8289daf7e4db7d17dc663d4dd73177a71131941c679a50023b26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:FY6BK74CPDCU4GFRXESZXNIRCX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Achieving Efficient and Secure Data Acquisition for Cloud-supported Internet of Things in Smart Grid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Jing Li, Jun Wu, Longfei Wu, Xiaojiang Du, Yue Zhang, Zhitao Guan","submitted_at":"2018-10-25T07:33:58Z","abstract_excerpt":"Cloud-supported Internet of Things (Cloud-IoT) has been broadly deployed in smart grid systems. The IoT front-ends are responsible for data acquisition and status supervision, while the substantial amount of data is stored and managed in the cloud server. Achieving data security and system efficiency in the data acquisition and transmission process are of great significance and challenging, because the power grid-related data is sensitive and in huge amount. In this paper, we present an efficient and secure data acquisition scheme based on CP-ABE (Ciphertext Policy Attribute Based Encryption)."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10746","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":"2026-05-18T00:02:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TLgWM/qSE5Fpg6wQczJj/2KMnjUQ3PmUiPWMH6kTJQvAKFWM/BAt2PUCHc6YfEBNTWN3E6giDT0UAZdKosbYCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T12:36:02.289788Z"},"content_sha256":"b232215aef3027f7dc92b393fe88916bcf0971682706e00eecbffef15a4c419c","schema_version":"1.0","event_id":"sha256:b232215aef3027f7dc92b393fe88916bcf0971682706e00eecbffef15a4c419c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FY6BK74CPDCU4GFRXESZXNIRCX/bundle.json","state_url":"https://pith.science/pith/FY6BK74CPDCU4GFRXESZXNIRCX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FY6BK74CPDCU4GFRXESZXNIRCX/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":"2026-05-19T12:36:02Z","links":{"resolver":"https://pith.science/pith/FY6BK74CPDCU4GFRXESZXNIRCX","bundle":"https://pith.science/pith/FY6BK74CPDCU4GFRXESZXNIRCX/bundle.json","state":"https://pith.science/pith/FY6BK74CPDCU4GFRXESZXNIRCX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FY6BK74CPDCU4GFRXESZXNIRCX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FY6BK74CPDCU4GFRXESZXNIRCX","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":"a7fa68dffbb4edfb87e48db49c50b5008bf7135744b1d99571a1c0c19636d33d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-10-25T07:33:58Z","title_canon_sha256":"ed28fbf920752fcb2c16ea7dc57010e045b1f2a41e0763b67b38285fc77809f7"},"schema_version":"1.0","source":{"id":"1810.10746","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10746","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10746v1","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10746","created_at":"2026-05-18T00:02:19Z"},{"alias_kind":"pith_short_12","alias_value":"FY6BK74CPDCU","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"FY6BK74CPDCU4GFR","created_at":"2026-05-18T12:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"FY6BK74C","created_at":"2026-05-18T12:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:b232215aef3027f7dc92b393fe88916bcf0971682706e00eecbffef15a4c419c","target":"graph","created_at":"2026-05-18T00:02:19Z","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":"Cloud-supported Internet of Things (Cloud-IoT) has been broadly deployed in smart grid systems. The IoT front-ends are responsible for data acquisition and status supervision, while the substantial amount of data is stored and managed in the cloud server. Achieving data security and system efficiency in the data acquisition and transmission process are of great significance and challenging, because the power grid-related data is sensitive and in huge amount. In this paper, we present an efficient and secure data acquisition scheme based on CP-ABE (Ciphertext Policy Attribute Based Encryption).","authors_text":"Jing Li, Jun Wu, Longfei Wu, Xiaojiang Du, Yue Zhang, Zhitao Guan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-10-25T07:33:58Z","title":"Achieving Efficient and Secure Data Acquisition for Cloud-supported Internet of Things in Smart Grid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10746","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:de100d05966a8289daf7e4db7d17dc663d4dd73177a71131941c679a50023b26","target":"record","created_at":"2026-05-18T00:02:19Z","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":"a7fa68dffbb4edfb87e48db49c50b5008bf7135744b1d99571a1c0c19636d33d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2018-10-25T07:33:58Z","title_canon_sha256":"ed28fbf920752fcb2c16ea7dc57010e045b1f2a41e0763b67b38285fc77809f7"},"schema_version":"1.0","source":{"id":"1810.10746","kind":"arxiv","version":1}},"canonical_sha256":"2e3c157f8278c54e18b1b9259bb51115c47bc7586b7048925a153ae3f73620bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e3c157f8278c54e18b1b9259bb51115c47bc7586b7048925a153ae3f73620bc","first_computed_at":"2026-05-18T00:02:19.769735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:19.769735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e7Q9gvtCxEwO8h+FTqOk5SQxJumD/XtxVij1ZVmsqeDBtOT6QlOxnJgxXQCApqFxbyQoZrzdwAYLb9CdIozxAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:19.770105Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.10746","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de100d05966a8289daf7e4db7d17dc663d4dd73177a71131941c679a50023b26","sha256:b232215aef3027f7dc92b393fe88916bcf0971682706e00eecbffef15a4c419c"],"state_sha256":"4247b0e6a3d70ec463f4e44204c258ae728a755d8debb222c188cd4b23a6f465"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6Gen+9kk/2FqaQdHNWaMswrChA8YUG+dYj49Iar/xwdG6wOc2AI84R5+84aG5wB3TucJ1Q2YGjSi8sOCWjADAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T12:36:02.291522Z","bundle_sha256":"52f7b80d977d16b55b37936b92921f8efc247ea831552f8872afec1c1ca51115"}}