{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:BALZKOCAYCR3XMKFKJK64RSHTH","short_pith_number":"pith:BALZKOCA","canonical_record":{"source":{"id":"1603.02640","kind":"arxiv","version":7},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-03-08T19:51:15Z","cross_cats_sorted":[],"title_canon_sha256":"ce492e56002e426a5bcdd524cf5dca3b9e478f8cb7b6bac9dc6793608ce81f31","abstract_canon_sha256":"6df84febaeb06a8d6ecd5feae279e3794d50424ba4cc9fcf6e699d76e2480b9c"},"schema_version":"1.0"},"canonical_sha256":"0817953840c0a3bbb1455255ee464799fb7a431e9ecdb6fe9bcf9890d7d4e598","source":{"kind":"arxiv","id":"1603.02640","version":7},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02640","created_at":"2026-05-18T00:32:51Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02640v7","created_at":"2026-05-18T00:32:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02640","created_at":"2026-05-18T00:32:51Z"},{"alias_kind":"pith_short_12","alias_value":"BALZKOCAYCR3","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BALZKOCAYCR3XMKF","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BALZKOCA","created_at":"2026-05-18T12:30:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:BALZKOCAYCR3XMKFKJK64RSHTH","target":"record","payload":{"canonical_record":{"source":{"id":"1603.02640","kind":"arxiv","version":7},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-03-08T19:51:15Z","cross_cats_sorted":[],"title_canon_sha256":"ce492e56002e426a5bcdd524cf5dca3b9e478f8cb7b6bac9dc6793608ce81f31","abstract_canon_sha256":"6df84febaeb06a8d6ecd5feae279e3794d50424ba4cc9fcf6e699d76e2480b9c"},"schema_version":"1.0"},"canonical_sha256":"0817953840c0a3bbb1455255ee464799fb7a431e9ecdb6fe9bcf9890d7d4e598","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:51.283138Z","signature_b64":"ENaetekmstDnCm79o7wjLF8T2LDkku2P3UqUZfJd6Y0t5M6otBK3HnA/WH+Snsg/vLKmugHNcu1O3DUet2NwDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0817953840c0a3bbb1455255ee464799fb7a431e9ecdb6fe9bcf9890d7d4e598","last_reissued_at":"2026-05-18T00:32:51.282465Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:51.282465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.02640","source_version":7,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:32:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BEyX1aiip64HC0eXGnVAEVKNP9d0b2dBcX1cQdVlt0uaVN4eAynBYFywiSwM62NlORyWCmd3kxrOw9sYZa4PBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:14:45.902149Z"},"content_sha256":"486309db283c610075ed6e15ed2c065411deccc50aba2c8a4c9d6b958f3599e2","schema_version":"1.0","event_id":"sha256:486309db283c610075ed6e15ed2c065411deccc50aba2c8a4c9d6b958f3599e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:BALZKOCAYCR3XMKFKJK64RSHTH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mining Hierarchical Temporal Roles with Multiple Metrics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Scott D. Stoller, Thang Bui","submitted_at":"2016-03-08T19:51:15Z","abstract_excerpt":"Temporal role-based access control (TRBAC) extends role-based access control to limit the times at which roles are enabled. This paper presents a new algorithm for mining high-quality TRBAC policies from timed ACLs (i.e., ACLs with time limits in the entries) and optionally user attribute information. Such algorithms have potential to significantly reduce the cost of migration from timed ACLs to TRBAC. The algorithm is parameterized by the policy quality metric. We consider multiple quality metrics, including number of roles, weighted structural complexity (a generalization of policy size), an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02640","kind":"arxiv","version":7},"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":"2026-05-18T00:32:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MHdt9CxlmS3XJRrxGRYsJJ/ej5zNangMuwgsPQ+NiIr27OLisQEmymVAdJCww9WiZUqyZNAkj5J9OSbPsP2cCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:14:45.902530Z"},"content_sha256":"ba67edd7087f1cb0b3efbbd4bc4bf10ba8120a2a60c1fa5ff25418629cb923f2","schema_version":"1.0","event_id":"sha256:ba67edd7087f1cb0b3efbbd4bc4bf10ba8120a2a60c1fa5ff25418629cb923f2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BALZKOCAYCR3XMKFKJK64RSHTH/bundle.json","state_url":"https://pith.science/pith/BALZKOCAYCR3XMKFKJK64RSHTH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BALZKOCAYCR3XMKFKJK64RSHTH/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":"2026-05-28T12:14:45Z","links":{"resolver":"https://pith.science/pith/BALZKOCAYCR3XMKFKJK64RSHTH","bundle":"https://pith.science/pith/BALZKOCAYCR3XMKFKJK64RSHTH/bundle.json","state":"https://pith.science/pith/BALZKOCAYCR3XMKFKJK64RSHTH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BALZKOCAYCR3XMKFKJK64RSHTH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:BALZKOCAYCR3XMKFKJK64RSHTH","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":"6df84febaeb06a8d6ecd5feae279e3794d50424ba4cc9fcf6e699d76e2480b9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-03-08T19:51:15Z","title_canon_sha256":"ce492e56002e426a5bcdd524cf5dca3b9e478f8cb7b6bac9dc6793608ce81f31"},"schema_version":"1.0","source":{"id":"1603.02640","kind":"arxiv","version":7}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.02640","created_at":"2026-05-18T00:32:51Z"},{"alias_kind":"arxiv_version","alias_value":"1603.02640v7","created_at":"2026-05-18T00:32:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.02640","created_at":"2026-05-18T00:32:51Z"},{"alias_kind":"pith_short_12","alias_value":"BALZKOCAYCR3","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"BALZKOCAYCR3XMKF","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"BALZKOCA","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:ba67edd7087f1cb0b3efbbd4bc4bf10ba8120a2a60c1fa5ff25418629cb923f2","target":"graph","created_at":"2026-05-18T00:32:51Z","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":"Temporal role-based access control (TRBAC) extends role-based access control to limit the times at which roles are enabled. This paper presents a new algorithm for mining high-quality TRBAC policies from timed ACLs (i.e., ACLs with time limits in the entries) and optionally user attribute information. Such algorithms have potential to significantly reduce the cost of migration from timed ACLs to TRBAC. The algorithm is parameterized by the policy quality metric. We consider multiple quality metrics, including number of roles, weighted structural complexity (a generalization of policy size), an","authors_text":"Scott D. Stoller, Thang Bui","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-03-08T19:51:15Z","title":"Mining Hierarchical Temporal Roles with Multiple Metrics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.02640","kind":"arxiv","version":7},"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":"sha256:486309db283c610075ed6e15ed2c065411deccc50aba2c8a4c9d6b958f3599e2","target":"record","created_at":"2026-05-18T00:32:51Z","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":"6df84febaeb06a8d6ecd5feae279e3794d50424ba4cc9fcf6e699d76e2480b9c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2016-03-08T19:51:15Z","title_canon_sha256":"ce492e56002e426a5bcdd524cf5dca3b9e478f8cb7b6bac9dc6793608ce81f31"},"schema_version":"1.0","source":{"id":"1603.02640","kind":"arxiv","version":7}},"canonical_sha256":"0817953840c0a3bbb1455255ee464799fb7a431e9ecdb6fe9bcf9890d7d4e598","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0817953840c0a3bbb1455255ee464799fb7a431e9ecdb6fe9bcf9890d7d4e598","first_computed_at":"2026-05-18T00:32:51.282465Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:51.282465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ENaetekmstDnCm79o7wjLF8T2LDkku2P3UqUZfJd6Y0t5M6otBK3HnA/WH+Snsg/vLKmugHNcu1O3DUet2NwDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:51.283138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.02640","source_kind":"arxiv","source_version":7}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:486309db283c610075ed6e15ed2c065411deccc50aba2c8a4c9d6b958f3599e2","sha256:ba67edd7087f1cb0b3efbbd4bc4bf10ba8120a2a60c1fa5ff25418629cb923f2"],"state_sha256":"1dd14742b74f0b00d3764c4adb88b9b818ef32025984f3211d0dfbbf77990a75"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UfYKw2gYW60kXibS9MO2li03UZRAgm69ueZX8CV7PM/0ASPALYpzha/Dp0G/E1UX/JbKA4bWTMhmpmVF/XEIAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:14:45.904513Z","bundle_sha256":"6becf6906ef2af485cf06028183d6459e05db078e6f14a8553a8f2b5c0ae60d6"}}