{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5FEY77FO2YXAAHR6PUQZHGAVTU","short_pith_number":"pith:5FEY77FO","canonical_record":{"source":{"id":"1701.02160","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-01-09T12:29:20Z","cross_cats_sorted":[],"title_canon_sha256":"c19d5f3a5da8c89a94c9062e50353403ba7947e58860ecdef7310736455abe62","abstract_canon_sha256":"9dec515d24fd9e0f9523e38215d221355bd9a3ba7e1653d7faba74fe3f48b5ce"},"schema_version":"1.0"},"canonical_sha256":"e9498ffcaed62e001e3e7d219398159d126db2b4605b9706224625bafde3477d","source":{"kind":"arxiv","id":"1701.02160","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.02160","created_at":"2026-05-18T00:53:11Z"},{"alias_kind":"arxiv_version","alias_value":"1701.02160v1","created_at":"2026-05-18T00:53:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02160","created_at":"2026-05-18T00:53:11Z"},{"alias_kind":"pith_short_12","alias_value":"5FEY77FO2YXA","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5FEY77FO2YXAAHR6","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5FEY77FO","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5FEY77FO2YXAAHR6PUQZHGAVTU","target":"record","payload":{"canonical_record":{"source":{"id":"1701.02160","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-01-09T12:29:20Z","cross_cats_sorted":[],"title_canon_sha256":"c19d5f3a5da8c89a94c9062e50353403ba7947e58860ecdef7310736455abe62","abstract_canon_sha256":"9dec515d24fd9e0f9523e38215d221355bd9a3ba7e1653d7faba74fe3f48b5ce"},"schema_version":"1.0"},"canonical_sha256":"e9498ffcaed62e001e3e7d219398159d126db2b4605b9706224625bafde3477d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:11.537986Z","signature_b64":"c4So26HyR8lbo8PejHBRMcN0KebpF8U+WzfUc9q6hKuYE7G9y7oKDFgZ9Ats0T8UUW0o0Z8SbSq0KemYSNcoAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9498ffcaed62e001e3e7d219398159d126db2b4605b9706224625bafde3477d","last_reissued_at":"2026-05-18T00:53:11.537393Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:11.537393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.02160","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":"2026-05-18T00:53:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C1QM+fuT9i2DE48xVk+l1OHdTyU60QWZpyHgPup0T7Di2Cq1e1zAWA1SeCSWpBfp1lkFyTmUBr4gLdr7vVetAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:32:14.070462Z"},"content_sha256":"073ca1a37f3ccfc18fcb8c6709d897a2d6fe30b65bb69f2c3a41405d61c51ff3","schema_version":"1.0","event_id":"sha256:073ca1a37f3ccfc18fcb8c6709d897a2d6fe30b65bb69f2c3a41405d61c51ff3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5FEY77FO2YXAAHR6PUQZHGAVTU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Design and Implementation of a Wireless OBD II Fleet Management System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"BT Maharaj, Lakshmi Nair, Ntefeng Ruth Moloisane, Reza Malekian, Uche A.K. Chude-Okonkwo","submitted_at":"2017-01-09T12:29:20Z","abstract_excerpt":"This paper describes the work that has been done in the design and development of a wireless OBD II fleet management system. The system aims to measure speed, distance and fuel consumption of vehicles for tracking and analysis purposes. An OBD II reader is designed to measure speed and mass air flow, from which distance and fuel consumption are also computed. This data is then transmitted via WiFi to a remote server. The system also implements GPS tracking to determine the location of the vehicle. A database management system is implemented at the remote server for the storage and management o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02160","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":"2026-05-18T00:53:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ozv6O/W5Q17QakbiQ/OeEQXjj0Sg8AR38JU58+mv0wcE9KVUZn33RmlP63SzOttYhDPCgL6lmyJioi3+UrZiDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T06:32:14.070826Z"},"content_sha256":"0f0f1a93d0ab88b32f936f4ca0cfe353e9104272f1b00f0baf28b3ca7562adab","schema_version":"1.0","event_id":"sha256:0f0f1a93d0ab88b32f936f4ca0cfe353e9104272f1b00f0baf28b3ca7562adab"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5FEY77FO2YXAAHR6PUQZHGAVTU/bundle.json","state_url":"https://pith.science/pith/5FEY77FO2YXAAHR6PUQZHGAVTU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5FEY77FO2YXAAHR6PUQZHGAVTU/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":"2026-05-31T06:32:14Z","links":{"resolver":"https://pith.science/pith/5FEY77FO2YXAAHR6PUQZHGAVTU","bundle":"https://pith.science/pith/5FEY77FO2YXAAHR6PUQZHGAVTU/bundle.json","state":"https://pith.science/pith/5FEY77FO2YXAAHR6PUQZHGAVTU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5FEY77FO2YXAAHR6PUQZHGAVTU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5FEY77FO2YXAAHR6PUQZHGAVTU","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":"9dec515d24fd9e0f9523e38215d221355bd9a3ba7e1653d7faba74fe3f48b5ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-01-09T12:29:20Z","title_canon_sha256":"c19d5f3a5da8c89a94c9062e50353403ba7947e58860ecdef7310736455abe62"},"schema_version":"1.0","source":{"id":"1701.02160","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.02160","created_at":"2026-05-18T00:53:11Z"},{"alias_kind":"arxiv_version","alias_value":"1701.02160v1","created_at":"2026-05-18T00:53:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.02160","created_at":"2026-05-18T00:53:11Z"},{"alias_kind":"pith_short_12","alias_value":"5FEY77FO2YXA","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5FEY77FO2YXAAHR6","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5FEY77FO","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:0f0f1a93d0ab88b32f936f4ca0cfe353e9104272f1b00f0baf28b3ca7562adab","target":"graph","created_at":"2026-05-18T00:53:11Z","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":"This paper describes the work that has been done in the design and development of a wireless OBD II fleet management system. The system aims to measure speed, distance and fuel consumption of vehicles for tracking and analysis purposes. An OBD II reader is designed to measure speed and mass air flow, from which distance and fuel consumption are also computed. This data is then transmitted via WiFi to a remote server. The system also implements GPS tracking to determine the location of the vehicle. A database management system is implemented at the remote server for the storage and management o","authors_text":"BT Maharaj, Lakshmi Nair, Ntefeng Ruth Moloisane, Reza Malekian, Uche A.K. Chude-Okonkwo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-01-09T12:29:20Z","title":"Design and Implementation of a Wireless OBD II Fleet Management System"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.02160","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":"sha256:073ca1a37f3ccfc18fcb8c6709d897a2d6fe30b65bb69f2c3a41405d61c51ff3","target":"record","created_at":"2026-05-18T00:53:11Z","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":"9dec515d24fd9e0f9523e38215d221355bd9a3ba7e1653d7faba74fe3f48b5ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2017-01-09T12:29:20Z","title_canon_sha256":"c19d5f3a5da8c89a94c9062e50353403ba7947e58860ecdef7310736455abe62"},"schema_version":"1.0","source":{"id":"1701.02160","kind":"arxiv","version":1}},"canonical_sha256":"e9498ffcaed62e001e3e7d219398159d126db2b4605b9706224625bafde3477d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9498ffcaed62e001e3e7d219398159d126db2b4605b9706224625bafde3477d","first_computed_at":"2026-05-18T00:53:11.537393Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:11.537393Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c4So26HyR8lbo8PejHBRMcN0KebpF8U+WzfUc9q6hKuYE7G9y7oKDFgZ9Ats0T8UUW0o0Z8SbSq0KemYSNcoAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:11.537986Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.02160","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:073ca1a37f3ccfc18fcb8c6709d897a2d6fe30b65bb69f2c3a41405d61c51ff3","sha256:0f0f1a93d0ab88b32f936f4ca0cfe353e9104272f1b00f0baf28b3ca7562adab"],"state_sha256":"a284726460b66d9e149dfc290cff94e863345c91efcc4da49d5b7732b1a1b935"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"48GDq0LguHoRgla81jn2bVO4UEa+Agn8Tv1tSmJ4mbQamWOVVHAk7whIOYCav8z+NGBDLFMinHmuQekqtoYJDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T06:32:14.073106Z","bundle_sha256":"f2419b7700715d1ecf81d15ba715925d8379edde6bc43120472e071634fd0ee2"}}