{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:ZHHN5ATS5G4EU3YLVWIPJWSFR4","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":"373444521cc8928c0f69e22520d48bba0d667a9ad41f4d554ba134c35d609884","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-04-05T08:04:53Z","title_canon_sha256":"b8bc5aee591e9060858486caab3de03e1e9739945ffd7d2160d1f70232f60fa1"},"schema_version":"1.0","source":{"id":"1804.01715","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01715","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01715v1","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01715","created_at":"2026-05-18T00:19:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZHHN5ATS5G4E","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"ZHHN5ATS5G4EU3YL","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"ZHHN5ATS","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:8cf01fd0d887426d651b02ca26cc755d841c3e7f07efe6357289b41fe294f2ca","target":"graph","created_at":"2026-05-18T00:19:10Z","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":"Context: Agile development is in widespread use, even in safety-critical domains. Motivation: However, there is a lack of an ap- propriate safety analysis and verification method in agile development. Objective: In this paper, we investigate the use of Behavior Driven De- velopment (BDD) instead of standard User Acceptance Testing (UAT) for safety verification with System-Theoretic Process Analysis (STPA) for safety analysis in agile development. Method: We evaluate the effect of this combination in a controlled experiment with 44 students in terms of productivity, test thoroughness, fault det","authors_text":"Stefan Wagner, Yang Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-04-05T08:04:53Z","title":"Combining STPA and BDD for Safety Analysis and Verification in Agile Development: A Controlled Experiment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01715","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:ea3140170ef283eaaf5286621ce10e4e4483f8bd02588f2f03094f6a93edb816","target":"record","created_at":"2026-05-18T00:19:10Z","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":"373444521cc8928c0f69e22520d48bba0d667a9ad41f4d554ba134c35d609884","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2018-04-05T08:04:53Z","title_canon_sha256":"b8bc5aee591e9060858486caab3de03e1e9739945ffd7d2160d1f70232f60fa1"},"schema_version":"1.0","source":{"id":"1804.01715","kind":"arxiv","version":1}},"canonical_sha256":"c9cede8272e9b84a6f0bad90f4da458f226d368998270b80ebcb59afc672a47c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9cede8272e9b84a6f0bad90f4da458f226d368998270b80ebcb59afc672a47c","first_computed_at":"2026-05-18T00:19:10.215676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:19:10.215676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tigIw2zQWoYJK9yhFvNJJnRoGUfG7MsPT/XbtUtRunqdZQg2B7WnRxuwoxbDgl8IhQ4cHLkkyJPHOCrupZXqCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:19:10.216169Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01715","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea3140170ef283eaaf5286621ce10e4e4483f8bd02588f2f03094f6a93edb816","sha256:8cf01fd0d887426d651b02ca26cc755d841c3e7f07efe6357289b41fe294f2ca"],"state_sha256":"0941b58f247158d258e25e599de35719e083ffc684e4934618edbab1d601ff7c"}