{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XEVBJRKZU6YDI5VJU3H5DF6XDA","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":"dcb46cb1b41882d413998347469b08d74a86a1534c0ffa59486df0708990f5b0","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2012-04-21T11:46:38Z","title_canon_sha256":"7f7b796bed11c5fb53eadca808f2da950a775620c3c34cf397dabf4151df6cf2"},"schema_version":"1.0","source":{"id":"1204.4804","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4804","created_at":"2026-05-18T03:57:15Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4804v1","created_at":"2026-05-18T03:57:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4804","created_at":"2026-05-18T03:57:15Z"},{"alias_kind":"pith_short_12","alias_value":"XEVBJRKZU6YD","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XEVBJRKZU6YDI5VJ","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XEVBJRKZ","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:f728fadc56b53e9847c7257b4b043cdf0b0158169ab4c918abcfe38fd121306e","target":"graph","created_at":"2026-05-18T03:57:15Z","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":"These notes are a companion to [1] which describe - the variable conditions that Smallfoot checks, - the analysis used to check them, - the algorithm used to compute a set of verification conditions corresponding to an annotated program, and - the treatment of concurrent resource initialization code.","authors_text":"Cristiano Calcagno, Josh Berdine, Peter W. O'Hearn","cross_cats":["cs.PL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2012-04-21T11:46:38Z","title":"Verification Condition Generation and Variable Conditions in Smallfoot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4804","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":"sha256:6f9f8a608fa7bae397120efda37e6a1ae3c70e767b398f82459cfd0949480dcb","target":"record","created_at":"2026-05-18T03:57:15Z","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":"dcb46cb1b41882d413998347469b08d74a86a1534c0ffa59486df0708990f5b0","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2012-04-21T11:46:38Z","title_canon_sha256":"7f7b796bed11c5fb53eadca808f2da950a775620c3c34cf397dabf4151df6cf2"},"schema_version":"1.0","source":{"id":"1204.4804","kind":"arxiv","version":1}},"canonical_sha256":"b92a14c559a7b03476a9a6cfd197d7182a1ca4d7c848c482c28f4dfe23f321dd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b92a14c559a7b03476a9a6cfd197d7182a1ca4d7c848c482c28f4dfe23f321dd","first_computed_at":"2026-05-18T03:57:15.341725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:57:15.341725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oJmyHzTw4HCQwrKmt2CGAtimTcvLob22p8ZCNWOLGLsDXSOrZrUSVKAeS2wZxfRD2x76+oSuDRwh1dsscRHjCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:57:15.342161Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.4804","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f9f8a608fa7bae397120efda37e6a1ae3c70e767b398f82459cfd0949480dcb","sha256:f728fadc56b53e9847c7257b4b043cdf0b0158169ab4c918abcfe38fd121306e"],"state_sha256":"680af229281fd226ef71c3b68ef282bab889b8e3c0f654af8eeb3017fdfedab6"}