{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:AM3MQKCFJBWDV4KRI2F3332DCR","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":"2d0cec79624a31be0d972d51b1a4ee7527401aeb0136553350587d65d0b85762","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-08-15T18:36:31Z","title_canon_sha256":"6a03c10255d046a43b1d6d9624182fda4a42296000ce62e2b8bd25206935b5bb"},"schema_version":"1.0","source":{"id":"1308.3472","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3472","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3472v1","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3472","created_at":"2026-05-18T03:15:45Z"},{"alias_kind":"pith_short_12","alias_value":"AM3MQKCFJBWD","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_16","alias_value":"AM3MQKCFJBWDV4KR","created_at":"2026-05-18T12:27:38Z"},{"alias_kind":"pith_short_8","alias_value":"AM3MQKCF","created_at":"2026-05-18T12:27:38Z"}],"graph_snapshots":[{"event_id":"sha256:354173b68c71da611b04a2fe660945d1f607b453db7fc5f43439e0173e5cbe5f","target":"graph","created_at":"2026-05-18T03:15:45Z","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 show how security type systems from the literature of language-based noninterference can be represented more directly as predicates defined by structural recursion on the programs. In this context, we show how our uniform syntactic criteria from previous work cover several previous type-system soundness results.","authors_text":"Andrei Popescu","cross_cats":["cs.PL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-08-15T18:36:31Z","title":"Security Type Systems as Recursive Predicates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3472","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:b3fec005b7cb61bc27c47f7e4c2d596f173d5de125078531c59fdcb6af44f8ae","target":"record","created_at":"2026-05-18T03:15:45Z","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":"2d0cec79624a31be0d972d51b1a4ee7527401aeb0136553350587d65d0b85762","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CR","submitted_at":"2013-08-15T18:36:31Z","title_canon_sha256":"6a03c10255d046a43b1d6d9624182fda4a42296000ce62e2b8bd25206935b5bb"},"schema_version":"1.0","source":{"id":"1308.3472","kind":"arxiv","version":1}},"canonical_sha256":"0336c82845486c3af151468bbdef431466712deb882aee97ef1bddb4b693fade","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0336c82845486c3af151468bbdef431466712deb882aee97ef1bddb4b693fade","first_computed_at":"2026-05-18T03:15:45.785138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:45.785138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4ho3G5Ff4jfSfeWysaGUZ5ZDLz8WUl2fjKWvSrDO/3qGgM+uwb4nM1uV7+KhB6zux3X2bQ7XsNmtexiwT82jDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:45.786006Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.3472","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3fec005b7cb61bc27c47f7e4c2d596f173d5de125078531c59fdcb6af44f8ae","sha256:354173b68c71da611b04a2fe660945d1f607b453db7fc5f43439e0173e5cbe5f"],"state_sha256":"58520d4baba54a7f256159c5415526363b82dbcfa012b4903b69c09b85eef341"}