{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:FPOW5BKDC4WCWUIQTVXH363R7L","short_pith_number":"pith:FPOW5BKD","canonical_record":{"source":{"id":"1208.5580","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-08-28T08:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"1b690cbb17e2e040e452f854bdeb5d7b39e4eee2764306846464bf0f1c902428","abstract_canon_sha256":"8e397ad7bd6401c72a785b7415364478d2112f2ddc09ca4628dcaa16c60f05a8"},"schema_version":"1.0"},"canonical_sha256":"2bdd6e8543172c2b51109d6e7dfb71faea4a055215e2b3a4f8f0f1ef18cbd2ed","source":{"kind":"arxiv","id":"1208.5580","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.5580","created_at":"2026-05-18T03:20:58Z"},{"alias_kind":"arxiv_version","alias_value":"1208.5580v2","created_at":"2026-05-18T03:20:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.5580","created_at":"2026-05-18T03:20:58Z"},{"alias_kind":"pith_short_12","alias_value":"FPOW5BKDC4WC","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FPOW5BKDC4WCWUIQ","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FPOW5BKD","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:FPOW5BKDC4WCWUIQTVXH363R7L","target":"record","payload":{"canonical_record":{"source":{"id":"1208.5580","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-08-28T08:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"1b690cbb17e2e040e452f854bdeb5d7b39e4eee2764306846464bf0f1c902428","abstract_canon_sha256":"8e397ad7bd6401c72a785b7415364478d2112f2ddc09ca4628dcaa16c60f05a8"},"schema_version":"1.0"},"canonical_sha256":"2bdd6e8543172c2b51109d6e7dfb71faea4a055215e2b3a4f8f0f1ef18cbd2ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:58.770303Z","signature_b64":"JcieODIFGcQEy0e4ghlY1uKS2e3Sqjw8hlPHfZUJEBWBUmgPZJZSUnliA6GgIzYhWLXVeHW/P9C4PNmwkEEjBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2bdd6e8543172c2b51109d6e7dfb71faea4a055215e2b3a4f8f0f1ef18cbd2ed","last_reissued_at":"2026-05-18T03:20:58.769648Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:58.769648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.5580","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:20:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+biviuW1ZdsH2yY8e1bwL0OhTqNCeiVL9ve2w3ebvO2CKhkZq+cP8pvxOdgkO6hxlSo6rlQVGGPJUPObNsUUAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:39:05.748229Z"},"content_sha256":"37d598853dd5bd1310cbfba30f7140a7aac143753814b23958b0a8c7a3d343b6","schema_version":"1.0","event_id":"sha256:37d598853dd5bd1310cbfba30f7140a7aac143753814b23958b0a8c7a3d343b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:FPOW5BKDC4WCWUIQTVXH363R7L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Noninterference with Local Policies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"Henning Schnoor, Sebastian Eggert, Thomas Wilke","submitted_at":"2012-08-28T08:00:48Z","abstract_excerpt":"We develop a theory for state-based noninterference in a setting where different security policies---we call them local policies---apply in different parts of a given system. Our theory comprises appropriate security definitions, characterizations of these definitions, for instance in terms of unwindings, algorithms for analyzing the security of systems with local policies, and corresponding complexity results."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.5580","kind":"arxiv","version":2},"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":"2026-05-18T03:20:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rIdDJc5DMyuwYcFIjTA5w6KxQDt1Hv4MCpwJ96XXb90Pa+JluRJ+nCz/USEfJRN13Om5J06WscBw6BwYsFXOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:39:05.748900Z"},"content_sha256":"6624468f366385c8570b5a8b954b06af4579a158a0e1fbb7dfbef061dd9b0273","schema_version":"1.0","event_id":"sha256:6624468f366385c8570b5a8b954b06af4579a158a0e1fbb7dfbef061dd9b0273"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FPOW5BKDC4WCWUIQTVXH363R7L/bundle.json","state_url":"https://pith.science/pith/FPOW5BKDC4WCWUIQTVXH363R7L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FPOW5BKDC4WCWUIQTVXH363R7L/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":"2026-05-25T17:39:05Z","links":{"resolver":"https://pith.science/pith/FPOW5BKDC4WCWUIQTVXH363R7L","bundle":"https://pith.science/pith/FPOW5BKDC4WCWUIQTVXH363R7L/bundle.json","state":"https://pith.science/pith/FPOW5BKDC4WCWUIQTVXH363R7L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FPOW5BKDC4WCWUIQTVXH363R7L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:FPOW5BKDC4WCWUIQTVXH363R7L","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":"8e397ad7bd6401c72a785b7415364478d2112f2ddc09ca4628dcaa16c60f05a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-08-28T08:00:48Z","title_canon_sha256":"1b690cbb17e2e040e452f854bdeb5d7b39e4eee2764306846464bf0f1c902428"},"schema_version":"1.0","source":{"id":"1208.5580","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.5580","created_at":"2026-05-18T03:20:58Z"},{"alias_kind":"arxiv_version","alias_value":"1208.5580v2","created_at":"2026-05-18T03:20:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.5580","created_at":"2026-05-18T03:20:58Z"},{"alias_kind":"pith_short_12","alias_value":"FPOW5BKDC4WC","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"FPOW5BKDC4WCWUIQ","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"FPOW5BKD","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:6624468f366385c8570b5a8b954b06af4579a158a0e1fbb7dfbef061dd9b0273","target":"graph","created_at":"2026-05-18T03:20:58Z","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":"We develop a theory for state-based noninterference in a setting where different security policies---we call them local policies---apply in different parts of a given system. Our theory comprises appropriate security definitions, characterizations of these definitions, for instance in terms of unwindings, algorithms for analyzing the security of systems with local policies, and corresponding complexity results.","authors_text":"Henning Schnoor, Sebastian Eggert, Thomas Wilke","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-08-28T08:00:48Z","title":"Noninterference with Local Policies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.5580","kind":"arxiv","version":2},"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":"sha256:37d598853dd5bd1310cbfba30f7140a7aac143753814b23958b0a8c7a3d343b6","target":"record","created_at":"2026-05-18T03:20:58Z","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":"8e397ad7bd6401c72a785b7415364478d2112f2ddc09ca4628dcaa16c60f05a8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2012-08-28T08:00:48Z","title_canon_sha256":"1b690cbb17e2e040e452f854bdeb5d7b39e4eee2764306846464bf0f1c902428"},"schema_version":"1.0","source":{"id":"1208.5580","kind":"arxiv","version":2}},"canonical_sha256":"2bdd6e8543172c2b51109d6e7dfb71faea4a055215e2b3a4f8f0f1ef18cbd2ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2bdd6e8543172c2b51109d6e7dfb71faea4a055215e2b3a4f8f0f1ef18cbd2ed","first_computed_at":"2026-05-18T03:20:58.769648Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:20:58.769648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JcieODIFGcQEy0e4ghlY1uKS2e3Sqjw8hlPHfZUJEBWBUmgPZJZSUnliA6GgIzYhWLXVeHW/P9C4PNmwkEEjBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:20:58.770303Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.5580","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37d598853dd5bd1310cbfba30f7140a7aac143753814b23958b0a8c7a3d343b6","sha256:6624468f366385c8570b5a8b954b06af4579a158a0e1fbb7dfbef061dd9b0273"],"state_sha256":"de4d2a0959a356e21e5ca1f5b3e3468a5802043e4155635fa745ef72ae32efbe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qrVJlyYTZGF7VRLIqJ3/aXIo1y9L47bsx/MrzP6v4Itw92XWIeNaDS3AtEUU0Cg5PfnFJd4rEd3hK243TmdHBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:39:05.752644Z","bundle_sha256":"d5c257777c67408413c5943450305c91dc3da930ce3d9364b07caef80b45ca3a"}}