{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:ULREAXSTC7UAA4ZJAFSWJOW7PN","short_pith_number":"pith:ULREAXST","canonical_record":{"source":{"id":"1801.06793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-01-21T09:17:31Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"5fdf19d61c311f743a6f6fa6930439ffa52497d86d11a7ab293d6a17ab67ff77","abstract_canon_sha256":"7dd51d6be52804a68fd301d35bd31a6ebe45940c7c69bbdb0be5ace8ebef17eb"},"schema_version":"1.0"},"canonical_sha256":"a2e2405e5317e8007329016564badf7b57d7daf460a3202c1222c1c2aa6bc975","source":{"kind":"arxiv","id":"1801.06793","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.06793","created_at":"2026-05-18T00:25:27Z"},{"alias_kind":"arxiv_version","alias_value":"1801.06793v1","created_at":"2026-05-18T00:25:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06793","created_at":"2026-05-18T00:25:27Z"},{"alias_kind":"pith_short_12","alias_value":"ULREAXSTC7UA","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"ULREAXSTC7UAA4ZJ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"ULREAXST","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:ULREAXSTC7UAA4ZJAFSWJOW7PN","target":"record","payload":{"canonical_record":{"source":{"id":"1801.06793","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-01-21T09:17:31Z","cross_cats_sorted":["cs.LO"],"title_canon_sha256":"5fdf19d61c311f743a6f6fa6930439ffa52497d86d11a7ab293d6a17ab67ff77","abstract_canon_sha256":"7dd51d6be52804a68fd301d35bd31a6ebe45940c7c69bbdb0be5ace8ebef17eb"},"schema_version":"1.0"},"canonical_sha256":"a2e2405e5317e8007329016564badf7b57d7daf460a3202c1222c1c2aa6bc975","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:27.718283Z","signature_b64":"bEe7oaOmGE3fHq4lfrhHWTe4qsB3fw8TrkyZRWKMN6ytvtnFNt1Mp084D3KsjNq7C9vLHxooRqtE7v5rbCgBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2e2405e5317e8007329016564badf7b57d7daf460a3202c1222c1c2aa6bc975","last_reissued_at":"2026-05-18T00:25:27.717603Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:27.717603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.06793","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:25:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f2vSyCgGBgMunk2R0wxPL8Ms/Owd4/uEQktMI4H1pahEMbev5HHGUdurlOJ6LnLWzxpG3CnwOl5Wg1DjOigbDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:19:44.216805Z"},"content_sha256":"16311730522882582f34e08c7708688f28d1c5ba8322b54126140cf57d4f3a54","schema_version":"1.0","event_id":"sha256:16311730522882582f34e08c7708688f28d1c5ba8322b54126140cf57d4f3a54"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:ULREAXSTC7UAA4ZJAFSWJOW7PN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NOOP: A Domain-Theoretic Model of Nominally-Typed OOP","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LO"],"primary_cat":"cs.PL","authors_text":"Moez AbdelGawad, Robert Cartwright","submitted_at":"2018-01-21T09:17:31Z","abstract_excerpt":"The majority of industrial-strength object-oriented (OO) software is written using nominally-typed OO programming languages. Extant domain-theoretic models of OOP developed to analyze OO type systems miss, however, a crucial feature of these mainstream OO languages: nominality. This paper presents the construction of NOOP as the first domain-theoretic model of OOP that includes full class/type names information found in nominally-typed OOP. Inclusion of nominal information in objects of NOOP and asserting that type inheritance in statically-typed OO programming languages is an inherently nomin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06793","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:25:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F/LOzfhQbCR0HnGnxEgctYbjnMYxZpOOodxWCPMbBu6cfIGQs9XBtifTH3UZoU1qsVqy6VMFr/h7I/xx32JaAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:19:44.217177Z"},"content_sha256":"44d06f902b28317bd86b5e499f2431ee5d499a6cdffbb9d51c09dcefb37607a5","schema_version":"1.0","event_id":"sha256:44d06f902b28317bd86b5e499f2431ee5d499a6cdffbb9d51c09dcefb37607a5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ULREAXSTC7UAA4ZJAFSWJOW7PN/bundle.json","state_url":"https://pith.science/pith/ULREAXSTC7UAA4ZJAFSWJOW7PN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ULREAXSTC7UAA4ZJAFSWJOW7PN/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-04T19:19:44Z","links":{"resolver":"https://pith.science/pith/ULREAXSTC7UAA4ZJAFSWJOW7PN","bundle":"https://pith.science/pith/ULREAXSTC7UAA4ZJAFSWJOW7PN/bundle.json","state":"https://pith.science/pith/ULREAXSTC7UAA4ZJAFSWJOW7PN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ULREAXSTC7UAA4ZJAFSWJOW7PN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ULREAXSTC7UAA4ZJAFSWJOW7PN","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":"7dd51d6be52804a68fd301d35bd31a6ebe45940c7c69bbdb0be5ace8ebef17eb","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-01-21T09:17:31Z","title_canon_sha256":"5fdf19d61c311f743a6f6fa6930439ffa52497d86d11a7ab293d6a17ab67ff77"},"schema_version":"1.0","source":{"id":"1801.06793","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.06793","created_at":"2026-05-18T00:25:27Z"},{"alias_kind":"arxiv_version","alias_value":"1801.06793v1","created_at":"2026-05-18T00:25:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.06793","created_at":"2026-05-18T00:25:27Z"},{"alias_kind":"pith_short_12","alias_value":"ULREAXSTC7UA","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"ULREAXSTC7UAA4ZJ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"ULREAXST","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:44d06f902b28317bd86b5e499f2431ee5d499a6cdffbb9d51c09dcefb37607a5","target":"graph","created_at":"2026-05-18T00:25:27Z","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":"The majority of industrial-strength object-oriented (OO) software is written using nominally-typed OO programming languages. Extant domain-theoretic models of OOP developed to analyze OO type systems miss, however, a crucial feature of these mainstream OO languages: nominality. This paper presents the construction of NOOP as the first domain-theoretic model of OOP that includes full class/type names information found in nominally-typed OOP. Inclusion of nominal information in objects of NOOP and asserting that type inheritance in statically-typed OO programming languages is an inherently nomin","authors_text":"Moez AbdelGawad, Robert Cartwright","cross_cats":["cs.LO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-01-21T09:17:31Z","title":"NOOP: A Domain-Theoretic Model of Nominally-Typed OOP"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.06793","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":"sha256:16311730522882582f34e08c7708688f28d1c5ba8322b54126140cf57d4f3a54","target":"record","created_at":"2026-05-18T00:25:27Z","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":"7dd51d6be52804a68fd301d35bd31a6ebe45940c7c69bbdb0be5ace8ebef17eb","cross_cats_sorted":["cs.LO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2018-01-21T09:17:31Z","title_canon_sha256":"5fdf19d61c311f743a6f6fa6930439ffa52497d86d11a7ab293d6a17ab67ff77"},"schema_version":"1.0","source":{"id":"1801.06793","kind":"arxiv","version":1}},"canonical_sha256":"a2e2405e5317e8007329016564badf7b57d7daf460a3202c1222c1c2aa6bc975","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2e2405e5317e8007329016564badf7b57d7daf460a3202c1222c1c2aa6bc975","first_computed_at":"2026-05-18T00:25:27.717603Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:27.717603Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bEe7oaOmGE3fHq4lfrhHWTe4qsB3fw8TrkyZRWKMN6ytvtnFNt1Mp084D3KsjNq7C9vLHxooRqtE7v5rbCgBAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:27.718283Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.06793","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16311730522882582f34e08c7708688f28d1c5ba8322b54126140cf57d4f3a54","sha256:44d06f902b28317bd86b5e499f2431ee5d499a6cdffbb9d51c09dcefb37607a5"],"state_sha256":"7cbcd12970db2bef9286ddba28d5147169ac30208f2408e5a7e4fc015b90536c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SuN/G9r73z4ku4m6rbmV7fBvHlMv6e9hl/eIpRjXr9mJc2wtvrSHU+2IUjAkpXS2kUxLAOn/iL4Tp3ab+6D3Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:19:44.219172Z","bundle_sha256":"2e15419858e9625034a471049b63108635196e096691533693ec7563e737e3ea"}}