{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:4M3NNKIPI7DNDPZDZ2EURX2AEP","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":"893a0270ddfc0050d83e5a0ff8e0cd327de681d74ceef3d6ab31f985db18d26d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-03-19T14:42:25Z","title_canon_sha256":"f9929739a1bf757270c1cfc94f3a738eb329331431fc468814fd38dd77d3f201"},"schema_version":"1.0","source":{"id":"1803.06960","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1803.06960","created_at":"2026-05-18T00:20:34Z"},{"alias_kind":"arxiv_version","alias_value":"1803.06960v2","created_at":"2026-05-18T00:20:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.06960","created_at":"2026-05-18T00:20:34Z"},{"alias_kind":"pith_short_12","alias_value":"4M3NNKIPI7DN","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"4M3NNKIPI7DNDPZD","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"4M3NNKIP","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:76e63f6728ebf7eb33ab80d5cdc17b5de39250405e324a1533f36e11fbca2bdb","target":"graph","created_at":"2026-05-18T00:20:34Z","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":"Good tools can bring mechanical verification to programs written in mainstream functional languages. We use hs-to-coq to translate significant portions of Haskell's containers library into Coq, and verify it against specifications that we derive from a variety of sources including type class laws, the library's test suite, and interfaces from Coq's standard library. Our work shows that it is feasible to verify mature, widely-used, highly optimized, and unmodified Haskell code. We also learn more about the theory of weight-balanced trees, extend hs-to-coq to handle partiality, and -- since we f","authors_text":"Antal Spector-Zabusky, Christine Rizkallah, Joachim Breitner, John Wiegley, Stephanie Weirich, Yao Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-03-19T14:42:25Z","title":"Ready, Set, Verify! Applying hs-to-coq to real-world Haskell code"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.06960","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":"sha256:3db3f56735d5f3a6a37a1a7e3e9e185522754f25180447eb6f679669db8a859f","target":"record","created_at":"2026-05-18T00:20:34Z","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":"893a0270ddfc0050d83e5a0ff8e0cd327de681d74ceef3d6ab31f985db18d26d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-03-19T14:42:25Z","title_canon_sha256":"f9929739a1bf757270c1cfc94f3a738eb329331431fc468814fd38dd77d3f201"},"schema_version":"1.0","source":{"id":"1803.06960","kind":"arxiv","version":2}},"canonical_sha256":"e336d6a90f47c6d1bf23ce8948df4023d3dd705f880376fd009be5e4b282e2b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e336d6a90f47c6d1bf23ce8948df4023d3dd705f880376fd009be5e4b282e2b8","first_computed_at":"2026-05-18T00:20:34.322217Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:34.322217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GajOqbtMXtWOzwF64p41hDmrfY8ru1Tr2qYlfzb4vV92HB51AaaSWi4+g0ZgKvKQvgqWlkV2SJaPhNpqUOSLAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:34.322865Z","signed_message":"canonical_sha256_bytes"},"source_id":"1803.06960","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3db3f56735d5f3a6a37a1a7e3e9e185522754f25180447eb6f679669db8a859f","sha256:76e63f6728ebf7eb33ab80d5cdc17b5de39250405e324a1533f36e11fbca2bdb"],"state_sha256":"bcd98e393966cda35b9c88ba3dd277dc00f8847fbc3a9ad208df412b4b149e59"}