{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:WOHXKHMCIL6CVWQHK7HKEETCDJ","short_pith_number":"pith:WOHXKHMC","canonical_record":{"source":{"id":"1804.08728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-04-23T20:38:23Z","cross_cats_sorted":[],"title_canon_sha256":"9bd952eb4d91e7f53422becd8379cd55b332fe139dfad3b5928423ebfe8fe80a","abstract_canon_sha256":"9605ce8a3337c326cda113b02d8c6c1e5d5764d2eacf9a439e4800294923edbf"},"schema_version":"1.0"},"canonical_sha256":"b38f751d8242fc2ada0757cea212621a5b02121c5efd7038f2edeb34b38bb323","source":{"kind":"arxiv","id":"1804.08728","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08728","created_at":"2026-05-18T00:17:46Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08728v1","created_at":"2026-05-18T00:17:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08728","created_at":"2026-05-18T00:17:46Z"},{"alias_kind":"pith_short_12","alias_value":"WOHXKHMCIL6C","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"WOHXKHMCIL6CVWQH","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"WOHXKHMC","created_at":"2026-05-18T12:33:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:WOHXKHMCIL6CVWQHK7HKEETCDJ","target":"record","payload":{"canonical_record":{"source":{"id":"1804.08728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-04-23T20:38:23Z","cross_cats_sorted":[],"title_canon_sha256":"9bd952eb4d91e7f53422becd8379cd55b332fe139dfad3b5928423ebfe8fe80a","abstract_canon_sha256":"9605ce8a3337c326cda113b02d8c6c1e5d5764d2eacf9a439e4800294923edbf"},"schema_version":"1.0"},"canonical_sha256":"b38f751d8242fc2ada0757cea212621a5b02121c5efd7038f2edeb34b38bb323","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:46.805901Z","signature_b64":"qrIHYVwdlbmRH11GAtWpGXDutWgoBf8pXyjX9Eu3mLkmC1h5q2TfSeo8vhftXY3KFs02j9bFhLpIcnxdBnHFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b38f751d8242fc2ada0757cea212621a5b02121c5efd7038f2edeb34b38bb323","last_reissued_at":"2026-05-18T00:17:46.805235Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:46.805235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.08728","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":"2026-05-18T00:17:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eLW2aMJNjaPRXyjyakm2Jtq2gutk2yujWtH52jr7SCYI6khD1aDLIkplrb0WNnhyHDD2SvpozywrEQ3+5gK+AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:27:17.224014Z"},"content_sha256":"97c55ad89fc142a661183170b49a85d692d842f2bb7a4ddd80093f160d677f26","schema_version":"1.0","event_id":"sha256:97c55ad89fc142a661183170b49a85d692d842f2bb7a4ddd80093f160d677f26"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:WOHXKHMCIL6CVWQHK7HKEETCDJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identification of Potential Hazardous Events for an Unmanned Protective Vehicle","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Andreas Reschka, Gerrit Bagschik, Markus Maurer, Torben Stolte","submitted_at":"2018-04-23T20:38:23Z","abstract_excerpt":"The project Automated Unmanned Protective Vehicle for Highway Hard Shoulder Road Works (aFAS) aims to develop an unmanned protective vehicle to reduce the risk of injuries due to crashes for road workers. To ensure functional safety during operation in public traffic the system shall be developed following the ISO 26262 standard. After defining the functional range in the item definition, a hazard analysis and risk assessment has to be done. The ISO 26262 standard gives hints how to process this step and demands a systematic way to identify system hazards. Best practice standards provide syste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08728","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":"2026-05-18T00:17:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UA3dzNpQiF3djekwZVA3zDeaRwC2ayBCOygiw6vWTT9wcSTXrE47fC8nYqSyz8PJ18lQMZqa9sJ7o9y6BCczBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:27:17.224367Z"},"content_sha256":"930172863614f7e3360d3718dfd19caed5b336a797f77fab677a86855534b745","schema_version":"1.0","event_id":"sha256:930172863614f7e3360d3718dfd19caed5b336a797f77fab677a86855534b745"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WOHXKHMCIL6CVWQHK7HKEETCDJ/bundle.json","state_url":"https://pith.science/pith/WOHXKHMCIL6CVWQHK7HKEETCDJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WOHXKHMCIL6CVWQHK7HKEETCDJ/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":"2026-06-02T15:27:17Z","links":{"resolver":"https://pith.science/pith/WOHXKHMCIL6CVWQHK7HKEETCDJ","bundle":"https://pith.science/pith/WOHXKHMCIL6CVWQHK7HKEETCDJ/bundle.json","state":"https://pith.science/pith/WOHXKHMCIL6CVWQHK7HKEETCDJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WOHXKHMCIL6CVWQHK7HKEETCDJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WOHXKHMCIL6CVWQHK7HKEETCDJ","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":"9605ce8a3337c326cda113b02d8c6c1e5d5764d2eacf9a439e4800294923edbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-04-23T20:38:23Z","title_canon_sha256":"9bd952eb4d91e7f53422becd8379cd55b332fe139dfad3b5928423ebfe8fe80a"},"schema_version":"1.0","source":{"id":"1804.08728","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08728","created_at":"2026-05-18T00:17:46Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08728v1","created_at":"2026-05-18T00:17:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08728","created_at":"2026-05-18T00:17:46Z"},{"alias_kind":"pith_short_12","alias_value":"WOHXKHMCIL6C","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_16","alias_value":"WOHXKHMCIL6CVWQH","created_at":"2026-05-18T12:33:01Z"},{"alias_kind":"pith_short_8","alias_value":"WOHXKHMC","created_at":"2026-05-18T12:33:01Z"}],"graph_snapshots":[{"event_id":"sha256:930172863614f7e3360d3718dfd19caed5b336a797f77fab677a86855534b745","target":"graph","created_at":"2026-05-18T00:17:46Z","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 project Automated Unmanned Protective Vehicle for Highway Hard Shoulder Road Works (aFAS) aims to develop an unmanned protective vehicle to reduce the risk of injuries due to crashes for road workers. To ensure functional safety during operation in public traffic the system shall be developed following the ISO 26262 standard. After defining the functional range in the item definition, a hazard analysis and risk assessment has to be done. The ISO 26262 standard gives hints how to process this step and demands a systematic way to identify system hazards. Best practice standards provide syste","authors_text":"Andreas Reschka, Gerrit Bagschik, Markus Maurer, Torben Stolte","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-04-23T20:38:23Z","title":"Identification of Potential Hazardous Events for an Unmanned Protective Vehicle"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08728","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":"sha256:97c55ad89fc142a661183170b49a85d692d842f2bb7a4ddd80093f160d677f26","target":"record","created_at":"2026-05-18T00:17:46Z","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":"9605ce8a3337c326cda113b02d8c6c1e5d5764d2eacf9a439e4800294923edbf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2018-04-23T20:38:23Z","title_canon_sha256":"9bd952eb4d91e7f53422becd8379cd55b332fe139dfad3b5928423ebfe8fe80a"},"schema_version":"1.0","source":{"id":"1804.08728","kind":"arxiv","version":1}},"canonical_sha256":"b38f751d8242fc2ada0757cea212621a5b02121c5efd7038f2edeb34b38bb323","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b38f751d8242fc2ada0757cea212621a5b02121c5efd7038f2edeb34b38bb323","first_computed_at":"2026-05-18T00:17:46.805235Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:46.805235Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qrIHYVwdlbmRH11GAtWpGXDutWgoBf8pXyjX9Eu3mLkmC1h5q2TfSeo8vhftXY3KFs02j9bFhLpIcnxdBnHFDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:46.805901Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.08728","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97c55ad89fc142a661183170b49a85d692d842f2bb7a4ddd80093f160d677f26","sha256:930172863614f7e3360d3718dfd19caed5b336a797f77fab677a86855534b745"],"state_sha256":"69212ff019fe42e6122122334d5f3e3456041c8e32294fda1a24b74f32f0235d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNPfF4rqL3GYABq8t5GcjkZQ2NsI+QSwLPhIqsUslvDx/LViA+wf+G7+3WBCHxuMdAmh20DH5Natld7dtP9ADg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:27:17.227498Z","bundle_sha256":"63123e191415cecfdbd20727b411ad3f38f58b220e3f3a9f4a2c9a336330539b"}}