{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:7V3MJYHSXRQIQIEEPI62WAD6FY","short_pith_number":"pith:7V3MJYHS","schema_version":"1.0","canonical_sha256":"fd76c4e0f2bc608820847a3dab007e2e1dedf7dcb8d1cd60a67a837e754e1ea2","source":{"kind":"arxiv","id":"1609.03139","version":1},"attestation_state":"computed","paper":{"title":"A Short Mechanized Proof of the Church-Rosser Theorem by the Z-property for the $\\lambda\\beta$-calculus in Nominal Isabelle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Christian Sternagel, Julian Nagele, Vincent van Oostrom","submitted_at":"2016-09-11T09:22:53Z","abstract_excerpt":"We present a short proof of the Church-Rosser property for the lambda-calculus enjoying two distinguishing features: Firstly, it employs the Z-property, resulting in a short and elegant proof; and secondly, it is formalized in the nominal higher-order logic available for the proof assistant Isabelle/HOL."},"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":"1609.03139","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LO","submitted_at":"2016-09-11T09:22:53Z","cross_cats_sorted":[],"title_canon_sha256":"e3a8e8ae55ef26cfbdf3a26683e1544da0dbd3ed9f4106252dd0288b3c7db548","abstract_canon_sha256":"14312fa6236f7b83e66f30532b1afa6a739aa724ce3ca16fe436bd0438992771"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:39.273779Z","signature_b64":"kKvOuVKMIDKuFqCy6Wy6p7rn2G/8T12XYcJQRaTcZvqO+QJCQ49Z+KI8lJN+v0whLJjhvjOcyJqEsLv77dlPCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fd76c4e0f2bc608820847a3dab007e2e1dedf7dcb8d1cd60a67a837e754e1ea2","last_reissued_at":"2026-05-18T00:36:39.273326Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:39.273326Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Short Mechanized Proof of the Church-Rosser Theorem by the Z-property for the $\\lambda\\beta$-calculus in Nominal Isabelle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.LO","authors_text":"Christian Sternagel, Julian Nagele, Vincent van Oostrom","submitted_at":"2016-09-11T09:22:53Z","abstract_excerpt":"We present a short proof of the Church-Rosser property for the lambda-calculus enjoying two distinguishing features: Firstly, it employs the Z-property, resulting in a short and elegant proof; and secondly, it is formalized in the nominal higher-order logic available for the proof assistant Isabelle/HOL."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.03139","kind":"arxiv","version":1},"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":"1609.03139","created_at":"2026-05-18T00:36:39.273410+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.03139v1","created_at":"2026-05-18T00:36:39.273410+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.03139","created_at":"2026-05-18T00:36:39.273410+00:00"},{"alias_kind":"pith_short_12","alias_value":"7V3MJYHSXRQI","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_16","alias_value":"7V3MJYHSXRQIQIEE","created_at":"2026-05-18T12:30:04.600751+00:00"},{"alias_kind":"pith_short_8","alias_value":"7V3MJYHS","created_at":"2026-05-18T12:30:04.600751+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/7V3MJYHSXRQIQIEEPI62WAD6FY","json":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY.json","graph_json":"https://pith.science/api/pith-number/7V3MJYHSXRQIQIEEPI62WAD6FY/graph.json","events_json":"https://pith.science/api/pith-number/7V3MJYHSXRQIQIEEPI62WAD6FY/events.json","paper":"https://pith.science/paper/7V3MJYHS"},"agent_actions":{"view_html":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY","download_json":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY.json","view_paper":"https://pith.science/paper/7V3MJYHS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.03139&json=true","fetch_graph":"https://pith.science/api/pith-number/7V3MJYHSXRQIQIEEPI62WAD6FY/graph.json","fetch_events":"https://pith.science/api/pith-number/7V3MJYHSXRQIQIEEPI62WAD6FY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY/action/storage_attestation","attest_author":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY/action/author_attestation","sign_citation":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY/action/citation_signature","submit_replication":"https://pith.science/pith/7V3MJYHSXRQIQIEEPI62WAD6FY/action/replication_record"}},"created_at":"2026-05-18T00:36:39.273410+00:00","updated_at":"2026-05-18T00:36:39.273410+00:00"}