{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:YRNNYG2RQIC7MOBBDQ7RRXDLRQ","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":"81e5231b8254ab9454898f8bc45e6885150ddcab07cfe5c6cf825d172a8032e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-05-10T17:33:02Z","title_canon_sha256":"8d1ffa8eca980018188cc43f16c8100708511f6c2e9e42d5959901390943bb4a"},"schema_version":"1.0","source":{"id":"1605.03116","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.03116","created_at":"2026-05-18T01:15:07Z"},{"alias_kind":"arxiv_version","alias_value":"1605.03116v1","created_at":"2026-05-18T01:15:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.03116","created_at":"2026-05-18T01:15:07Z"},{"alias_kind":"pith_short_12","alias_value":"YRNNYG2RQIC7","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_16","alias_value":"YRNNYG2RQIC7MOBB","created_at":"2026-05-18T12:30:53Z"},{"alias_kind":"pith_short_8","alias_value":"YRNNYG2R","created_at":"2026-05-18T12:30:53Z"}],"graph_snapshots":[{"event_id":"sha256:9c10315c20a12bc991d34fc294997148dd9f01381c3099a854e1d03c408f4e0f","target":"graph","created_at":"2026-05-18T01:15:07Z","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":"Architectures relying on continuous authentication require a secure way to challenge the user's identity without trusting that the Continuous Authentication Subsystem (CAS) has not been compromised, i.e., that the response to the layer which manages service/application access is not fake. In this paper, we introduce the CALIPER protocol, in which a separate Continuous Access Verification Entity (CAVE) directly challenges the user's identity in a continuous authentication regime. Instead of simply returning authentication probabilities or confidence scores, CALIPER's CAS uses live hard and soft","authors_text":"Ethan M. Rudd, Terrance E. Boult","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-05-10T17:33:02Z","title":"CALIPER: Continuous Authentication Layered with Integrated PKI Encoding Recognition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.03116","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:aa1c6d5912584f40dea0cdea50bcc242c79a844490db7fd8670c05ba0ce856ac","target":"record","created_at":"2026-05-18T01:15:07Z","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":"81e5231b8254ab9454898f8bc45e6885150ddcab07cfe5c6cf825d172a8032e4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-05-10T17:33:02Z","title_canon_sha256":"8d1ffa8eca980018188cc43f16c8100708511f6c2e9e42d5959901390943bb4a"},"schema_version":"1.0","source":{"id":"1605.03116","kind":"arxiv","version":1}},"canonical_sha256":"c45adc1b518205f638211c3f18dc6b8c0d4cdce762e5c30a216d095db478211e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c45adc1b518205f638211c3f18dc6b8c0d4cdce762e5c30a216d095db478211e","first_computed_at":"2026-05-18T01:15:07.550672Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:15:07.550672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Z7lRKVe5hUxoBzD/Q716ibwQMFc/hUoO6LKjBF2SeBYP/520Vae4wwmL9Ra2/hmGANeZzybFoqJgcZ4lW6cBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:15:07.551351Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.03116","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa1c6d5912584f40dea0cdea50bcc242c79a844490db7fd8670c05ba0ce856ac","sha256:9c10315c20a12bc991d34fc294997148dd9f01381c3099a854e1d03c408f4e0f"],"state_sha256":"4c9d9e52e17b31c0ac0fe7ce73ab44b711260b0c4f9e833086e2915730606bb7"}