{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:IKSMDUAQRLLKDVN3D3UO2DUXJC","short_pith_number":"pith:IKSMDUAQ","schema_version":"1.0","canonical_sha256":"42a4c1d0108ad6a1d5bb1ee8ed0e9748b166c527c063989531b7a4c25bb8e9df","source":{"kind":"arxiv","id":"1409.2355","version":1},"attestation_state":"computed","paper":{"title":"CDDiff: Semantic Differencing for Class Diagrams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Bernhard Rumpe, Jan Oliver Ringert, Shahar Maoz","submitted_at":"2014-09-08T14:17:43Z","abstract_excerpt":"Class diagrams (CDs), which specify classes and the relationships between them, are widely used for modeling the structure of object-oriented systems. As models, programs, and systems evolve over time, during the development lifecycle and beyond it, effective change management is a major challenge in software development, which has attracted much research efforts in recent years. In this paper we present cddiff, a semantic diff operator for CDs. Unlike most existing approaches to model comparison, which compare the concrete or the abstract syntax of two given diagrams and output a list of synt"},"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":"1409.2355","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2014-09-08T14:17:43Z","cross_cats_sorted":[],"title_canon_sha256":"492cb2edccdec5f4495a0815ae10827d507963088cc4e3ec644a76e19f8639fb","abstract_canon_sha256":"dd108d5ce29f453523ebd3472436be54991fdf1571795f0d890acb05224c666b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:43:17.328709Z","signature_b64":"CUHZjTatBD0CpNVh1g8hlzvdadsvdh0srckiNWdHIeKWEV0a2gEim3dMby2k61g81kh/pQusA4yyfO7YTcleAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42a4c1d0108ad6a1d5bb1ee8ed0e9748b166c527c063989531b7a4c25bb8e9df","last_reissued_at":"2026-05-18T02:43:17.328230Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:43:17.328230Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CDDiff: Semantic Differencing for Class Diagrams","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Bernhard Rumpe, Jan Oliver Ringert, Shahar Maoz","submitted_at":"2014-09-08T14:17:43Z","abstract_excerpt":"Class diagrams (CDs), which specify classes and the relationships between them, are widely used for modeling the structure of object-oriented systems. As models, programs, and systems evolve over time, during the development lifecycle and beyond it, effective change management is a major challenge in software development, which has attracted much research efforts in recent years. In this paper we present cddiff, a semantic diff operator for CDs. Unlike most existing approaches to model comparison, which compare the concrete or the abstract syntax of two given diagrams and output a list of synt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.2355","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":"1409.2355","created_at":"2026-05-18T02:43:17.328298+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.2355v1","created_at":"2026-05-18T02:43:17.328298+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.2355","created_at":"2026-05-18T02:43:17.328298+00:00"},{"alias_kind":"pith_short_12","alias_value":"IKSMDUAQRLLK","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_16","alias_value":"IKSMDUAQRLLKDVN3","created_at":"2026-05-18T12:28:33.132498+00:00"},{"alias_kind":"pith_short_8","alias_value":"IKSMDUAQ","created_at":"2026-05-18T12:28:33.132498+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/IKSMDUAQRLLKDVN3D3UO2DUXJC","json":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC.json","graph_json":"https://pith.science/api/pith-number/IKSMDUAQRLLKDVN3D3UO2DUXJC/graph.json","events_json":"https://pith.science/api/pith-number/IKSMDUAQRLLKDVN3D3UO2DUXJC/events.json","paper":"https://pith.science/paper/IKSMDUAQ"},"agent_actions":{"view_html":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC","download_json":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC.json","view_paper":"https://pith.science/paper/IKSMDUAQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.2355&json=true","fetch_graph":"https://pith.science/api/pith-number/IKSMDUAQRLLKDVN3D3UO2DUXJC/graph.json","fetch_events":"https://pith.science/api/pith-number/IKSMDUAQRLLKDVN3D3UO2DUXJC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC/action/storage_attestation","attest_author":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC/action/author_attestation","sign_citation":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC/action/citation_signature","submit_replication":"https://pith.science/pith/IKSMDUAQRLLKDVN3D3UO2DUXJC/action/replication_record"}},"created_at":"2026-05-18T02:43:17.328298+00:00","updated_at":"2026-05-18T02:43:17.328298+00:00"}