{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:U7P245RMGSM72JXKQXBJ4GXMMS","short_pith_number":"pith:U7P245RM","schema_version":"1.0","canonical_sha256":"a7dfae762c3499fd26ea85c29e1aec648653bf757ffed90393228d73e21158ab","source":{"kind":"arxiv","id":"1109.3031","version":2},"attestation_state":"computed","paper":{"title":"Nested Hoare Triples and Frame Rules for Higher-order Store","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Bernhard Reus (University of Sussex), Hongseok Yang (University of Oxford), Jan Schwinghammer (Saarland University), Lars Birkedal (IT University of Copenhagen)","submitted_at":"2011-09-14T09:24:06Z","abstract_excerpt":"Separation logic is a Hoare-style logic for reasoning about programs with heap-allocated mutable data structures. As a step toward extending separation logic to high-level languages with ML-style general (higher-order) storage, we investigate the compatibility of nested Hoare triples with several variations of higher-order frame rules. The interaction of nested triples and frame rules can be subtle, and the inclusion of certain frame rules is in fact unsound. A particular combination of rules can be shown consistent by means of a Kripke model where worlds live in a recursively defined ultramet"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1109.3031","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2011-09-14T09:24:06Z","cross_cats_sorted":[],"title_canon_sha256":"e2df6e4ea3ebbb7289777b0e1afd0b75ed04c02d81c7d845a28e206d8c99ee47","abstract_canon_sha256":"19d7f60a206149ba7aaad0ac1477485e8b866d085f578b3bdb3625d1faaccb85"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:39.250120Z","signature_b64":"d8vLBnJo21QaDiW04+Bh2nd+sOn4id0WDqGt2SK97NCoHdvj7kyveDHU00cuOTaY7SsEGISz+p7hVqZHEiCnAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7dfae762c3499fd26ea85c29e1aec648653bf757ffed90393228d73e21158ab","last_reissued_at":"2026-05-18T01:37:39.249461Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:39.249461Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Nested Hoare Triples and Frame Rules for Higher-order Store","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Bernhard Reus (University of Sussex), Hongseok Yang (University of Oxford), Jan Schwinghammer (Saarland University), Lars Birkedal (IT University of Copenhagen)","submitted_at":"2011-09-14T09:24:06Z","abstract_excerpt":"Separation logic is a Hoare-style logic for reasoning about programs with heap-allocated mutable data structures. As a step toward extending separation logic to high-level languages with ML-style general (higher-order) storage, we investigate the compatibility of nested Hoare triples with several variations of higher-order frame rules. The interaction of nested triples and frame rules can be subtle, and the inclusion of certain frame rules is in fact unsound. A particular combination of rules can be shown consistent by means of a Kripke model where worlds live in a recursively defined ultramet"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3031","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1109.3031","created_at":"2026-05-18T01:37:39.249556+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.3031v2","created_at":"2026-05-18T01:37:39.249556+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3031","created_at":"2026-05-18T01:37:39.249556+00:00"},{"alias_kind":"pith_short_12","alias_value":"U7P245RMGSM7","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_16","alias_value":"U7P245RMGSM72JXK","created_at":"2026-05-18T12:26:42.757692+00:00"},{"alias_kind":"pith_short_8","alias_value":"U7P245RM","created_at":"2026-05-18T12:26:42.757692+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS","json":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS.json","graph_json":"https://pith.science/api/pith-number/U7P245RMGSM72JXKQXBJ4GXMMS/graph.json","events_json":"https://pith.science/api/pith-number/U7P245RMGSM72JXKQXBJ4GXMMS/events.json","paper":"https://pith.science/paper/U7P245RM"},"agent_actions":{"view_html":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS","download_json":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS.json","view_paper":"https://pith.science/paper/U7P245RM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.3031&json=true","fetch_graph":"https://pith.science/api/pith-number/U7P245RMGSM72JXKQXBJ4GXMMS/graph.json","fetch_events":"https://pith.science/api/pith-number/U7P245RMGSM72JXKQXBJ4GXMMS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS/action/storage_attestation","attest_author":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS/action/author_attestation","sign_citation":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS/action/citation_signature","submit_replication":"https://pith.science/pith/U7P245RMGSM72JXKQXBJ4GXMMS/action/replication_record"}},"created_at":"2026-05-18T01:37:39.249556+00:00","updated_at":"2026-05-18T01:37:39.249556+00:00"}