{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:DSN4G6JIV5EFWTYSQ5NFY4FEVS","short_pith_number":"pith:DSN4G6JI","schema_version":"1.0","canonical_sha256":"1c9bc37928af485b4f12875a5c70a4aca1012e4b5c4102e7123c389af52bee19","source":{"kind":"arxiv","id":"2104.06262","version":4},"attestation_state":"computed","paper":{"title":"On Determinism of Game Engines used for Simulation-based Autonomous Vehicle Verification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.PF","cs.SY","eess.SY"],"primary_cat":"cs.RO","authors_text":"Abanoub Ghobrial, Greg Chance, Kerstin Eder, Kevin McAreavey, Severin Lemaignan, Tony Pipe","submitted_at":"2021-04-07T13:05:35Z","abstract_excerpt":"Game engines are increasingly used as simulation platforms by the autonomous vehicle (AV) community to develop vehicle control systems and test environments. A key requirement for simulation-based development and verification is determinism, since a deterministic process will always produce the same output given the same initial conditions and event history. Thus, in a deterministic simulation environment, tests are rendered repeatable and yield simulation results that are trustworthy and straightforward to debug. However, game engines are seldom deterministic. This paper reviews and identifie"},"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":"2104.06262","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2021-04-07T13:05:35Z","cross_cats_sorted":["cs.PF","cs.SY","eess.SY"],"title_canon_sha256":"dc3dba0b8998d65155ea7e6b07a0cc3b7d2331f9d431d06aecc5279fd65853f8","abstract_canon_sha256":"fbe1ed0ca524cf82dcfe0c9863868a1574d1d19bda72a58f2d741094f4657134"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:23:28.309770Z","signature_b64":"UGgLzEl/8RhxO4EnR2BGOQPIAyimVlg96pX2qc2uaSZePyVfsRS2ji3XwBJfzCIetkOAhgs6RqPigwIuWTb4Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c9bc37928af485b4f12875a5c70a4aca1012e4b5c4102e7123c389af52bee19","last_reissued_at":"2026-07-05T05:23:28.309301Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:23:28.309301Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On Determinism of Game Engines used for Simulation-based Autonomous Vehicle Verification","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.PF","cs.SY","eess.SY"],"primary_cat":"cs.RO","authors_text":"Abanoub Ghobrial, Greg Chance, Kerstin Eder, Kevin McAreavey, Severin Lemaignan, Tony Pipe","submitted_at":"2021-04-07T13:05:35Z","abstract_excerpt":"Game engines are increasingly used as simulation platforms by the autonomous vehicle (AV) community to develop vehicle control systems and test environments. A key requirement for simulation-based development and verification is determinism, since a deterministic process will always produce the same output given the same initial conditions and event history. Thus, in a deterministic simulation environment, tests are rendered repeatable and yield simulation results that are trustworthy and straightforward to debug. However, game engines are seldom deterministic. This paper reviews and identifie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.06262","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2104.06262/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2104.06262","created_at":"2026-07-05T05:23:28.309381+00:00"},{"alias_kind":"arxiv_version","alias_value":"2104.06262v4","created_at":"2026-07-05T05:23:28.309381+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.06262","created_at":"2026-07-05T05:23:28.309381+00:00"},{"alias_kind":"pith_short_12","alias_value":"DSN4G6JIV5EF","created_at":"2026-07-05T05:23:28.309381+00:00"},{"alias_kind":"pith_short_16","alias_value":"DSN4G6JIV5EFWTYS","created_at":"2026-07-05T05:23:28.309381+00:00"},{"alias_kind":"pith_short_8","alias_value":"DSN4G6JI","created_at":"2026-07-05T05:23:28.309381+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/DSN4G6JIV5EFWTYSQ5NFY4FEVS","json":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS.json","graph_json":"https://pith.science/api/pith-number/DSN4G6JIV5EFWTYSQ5NFY4FEVS/graph.json","events_json":"https://pith.science/api/pith-number/DSN4G6JIV5EFWTYSQ5NFY4FEVS/events.json","paper":"https://pith.science/paper/DSN4G6JI"},"agent_actions":{"view_html":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS","download_json":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS.json","view_paper":"https://pith.science/paper/DSN4G6JI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2104.06262&json=true","fetch_graph":"https://pith.science/api/pith-number/DSN4G6JIV5EFWTYSQ5NFY4FEVS/graph.json","fetch_events":"https://pith.science/api/pith-number/DSN4G6JIV5EFWTYSQ5NFY4FEVS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS/action/storage_attestation","attest_author":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS/action/author_attestation","sign_citation":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS/action/citation_signature","submit_replication":"https://pith.science/pith/DSN4G6JIV5EFWTYSQ5NFY4FEVS/action/replication_record"}},"created_at":"2026-07-05T05:23:28.309381+00:00","updated_at":"2026-07-05T05:23:28.309381+00:00"}