{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:LDPBA5PCDSO5OZINKOCQIQKIH6","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":"26a00ef6999d928eee312514d0e6fc519654530b486d37b7acf26ac89a83729e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-04T21:58:58Z","title_canon_sha256":"b43acc4c297b4607036322d91b65bfb88f62fb76bde2d440d40b0c48fac0b094"},"schema_version":"1.0","source":{"id":"2007.02194","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.02194","created_at":"2026-07-05T01:16:20Z"},{"alias_kind":"arxiv_version","alias_value":"2007.02194v1","created_at":"2026-07-05T01:16:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.02194","created_at":"2026-07-05T01:16:20Z"},{"alias_kind":"pith_short_12","alias_value":"LDPBA5PCDSO5","created_at":"2026-07-05T01:16:20Z"},{"alias_kind":"pith_short_16","alias_value":"LDPBA5PCDSO5OZIN","created_at":"2026-07-05T01:16:20Z"},{"alias_kind":"pith_short_8","alias_value":"LDPBA5PC","created_at":"2026-07-05T01:16:20Z"}],"graph_snapshots":[{"event_id":"sha256:ab1d65cd4408292baa80562c46fce13dab64e6dd7403611358c6586352a02f92","target":"graph","created_at":"2026-07-05T01:16:20Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2007.02194/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Due to the growing complexity of software systems, there has been a dramatic increase and industry demand for tools and techniques on software refactoring in the last ten years, defined traditionally as a set of program transformations intended to improve the system design while preserving the behavior. Refactoring studies are expanded beyond code-level restructuring to be applied at different levels (architecture, model, requirements, etc.), adopted in many domains beyond the object-oriented paradigm (cloud computing, mobile, web, etc.), used in industrial settings and considered objectives b","authors_text":"Chaima Abid, Danny Dig, Marouane Kessentini, Thiago do Nascimento Ferreira, Vahid Alizadeh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-04T21:58:58Z","title":"30 Years of Software Refactoring Research:A Systematic Literature Review"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.02194","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:b737baa53e08aab08dc757f1e21b443b9ff5ec8058ab756427c7afb0bffd43ac","target":"record","created_at":"2026-07-05T01:16:20Z","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":"26a00ef6999d928eee312514d0e6fc519654530b486d37b7acf26ac89a83729e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2020-07-04T21:58:58Z","title_canon_sha256":"b43acc4c297b4607036322d91b65bfb88f62fb76bde2d440d40b0c48fac0b094"},"schema_version":"1.0","source":{"id":"2007.02194","kind":"arxiv","version":1}},"canonical_sha256":"58de1075e21c9dd7650d53850441483fa8b73bdb248498d4c508a9ac2612fa99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58de1075e21c9dd7650d53850441483fa8b73bdb248498d4c508a9ac2612fa99","first_computed_at":"2026-07-05T01:16:20.104946Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:16:20.104946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x0+Bvn7obOhniyUA22w3/F4QZfZyqMHtsacODQE7ipKOoTmRfsFyHeSJnE6uiOsjLIjYIWaBBoWLDbk91Gf+CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:16:20.105361Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.02194","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b737baa53e08aab08dc757f1e21b443b9ff5ec8058ab756427c7afb0bffd43ac","sha256:ab1d65cd4408292baa80562c46fce13dab64e6dd7403611358c6586352a02f92"],"state_sha256":"ed1e81954343ff31daec754bd9c26d0a99e7b6b38b9f6af58171e1116879ee96"}