{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:ITY5SQ6HM5XJJHAPCTWISJFN4I","short_pith_number":"pith:ITY5SQ6H","canonical_record":{"source":{"id":"2103.17001","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-31T11:33:36Z","cross_cats_sorted":["cs.RO"],"title_canon_sha256":"de4fe2f1112909fa256157b3b6a79503bde90f2a6b234edfa3bd6cb0b96ff5e2","abstract_canon_sha256":"74d4918016491aecdf5ee1c0f81f2e4b15798abfec72eb273383ad59847926e0"},"schema_version":"1.0"},"canonical_sha256":"44f1d943c7676e949c0f14ec8924ade20b913effd43353803c29d09801ce47e9","source":{"kind":"arxiv","id":"2103.17001","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.17001","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"arxiv_version","alias_value":"2103.17001v4","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.17001","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"pith_short_12","alias_value":"ITY5SQ6HM5XJ","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"pith_short_16","alias_value":"ITY5SQ6HM5XJJHAP","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"pith_short_8","alias_value":"ITY5SQ6H","created_at":"2026-07-05T06:17:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:ITY5SQ6HM5XJJHAPCTWISJFN4I","target":"record","payload":{"canonical_record":{"source":{"id":"2103.17001","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-31T11:33:36Z","cross_cats_sorted":["cs.RO"],"title_canon_sha256":"de4fe2f1112909fa256157b3b6a79503bde90f2a6b234edfa3bd6cb0b96ff5e2","abstract_canon_sha256":"74d4918016491aecdf5ee1c0f81f2e4b15798abfec72eb273383ad59847926e0"},"schema_version":"1.0"},"canonical_sha256":"44f1d943c7676e949c0f14ec8924ade20b913effd43353803c29d09801ce47e9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:17:35.810703Z","signature_b64":"dxAvmQy1YzwyRAPus13pedP33hw+3ybGfEuFmw0v6JmLC+EZornPnPhv1+wwZ5STouSo36j0s41HXrHUtxk2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44f1d943c7676e949c0f14ec8924ade20b913effd43353803c29d09801ce47e9","last_reissued_at":"2026-07-05T06:17:35.810216Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:17:35.810216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.17001","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:17:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M9TqCB0/Rdg7T79mXYHoVwvpKesX/NelivHd5YRNUD5tk0F9cEkAnegEU3B8+ni9hh2muX9e1bu+8R629g26BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T09:52:17.750474Z"},"content_sha256":"c07a8eb1a7164bfd5b184257d82d3b4264f572cbd496c20c61a92f5ecade7fd9","schema_version":"1.0","event_id":"sha256:c07a8eb1a7164bfd5b184257d82d3b4264f572cbd496c20c61a92f5ecade7fd9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:ITY5SQ6HM5XJJHAPCTWISJFN4I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Near-field Perception for Low-Speed Vehicle Automation using Surround-view Fisheye Cameras","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.RO"],"primary_cat":"cs.CV","authors_text":"Ciaran Eising, Jonathan Horgan, Senthil Yogamani","submitted_at":"2021-03-31T11:33:36Z","abstract_excerpt":"Cameras are the primary sensor in automated driving systems. They provide high information density and are optimal for detecting road infrastructure cues laid out for human vision. Surround-view camera systems typically comprise of four fisheye cameras with 190{\\deg}+ field of view covering the entire 360{\\deg} around the vehicle focused on near-field sensing. They are the principal sensors for low-speed, high accuracy, and close-range sensing applications, such as automated parking, traffic jam assistance, and low-speed emergency braking. In this work, we provide a detailed survey of such vis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.17001","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/2103.17001/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:17:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XOK5bJpwaiYj2ywc3U3g+5oHrLRqdlDiohLpR6y+uQnSwYRUVKIdkVrOkBJB+BLbD94drx+fMj9qWZY3ic0xBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T09:52:17.750999Z"},"content_sha256":"69f8aedd4e36c7f7d80bed462377e839a4e673dba2ebf9f96226c714bf2ca9d2","schema_version":"1.0","event_id":"sha256:69f8aedd4e36c7f7d80bed462377e839a4e673dba2ebf9f96226c714bf2ca9d2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ITY5SQ6HM5XJJHAPCTWISJFN4I/bundle.json","state_url":"https://pith.science/pith/ITY5SQ6HM5XJJHAPCTWISJFN4I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ITY5SQ6HM5XJJHAPCTWISJFN4I/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":"2026-08-21T09:52:17Z","links":{"resolver":"https://pith.science/pith/ITY5SQ6HM5XJJHAPCTWISJFN4I","bundle":"https://pith.science/pith/ITY5SQ6HM5XJJHAPCTWISJFN4I/bundle.json","state":"https://pith.science/pith/ITY5SQ6HM5XJJHAPCTWISJFN4I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ITY5SQ6HM5XJJHAPCTWISJFN4I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:ITY5SQ6HM5XJJHAPCTWISJFN4I","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":"74d4918016491aecdf5ee1c0f81f2e4b15798abfec72eb273383ad59847926e0","cross_cats_sorted":["cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-31T11:33:36Z","title_canon_sha256":"de4fe2f1112909fa256157b3b6a79503bde90f2a6b234edfa3bd6cb0b96ff5e2"},"schema_version":"1.0","source":{"id":"2103.17001","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.17001","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"arxiv_version","alias_value":"2103.17001v4","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.17001","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"pith_short_12","alias_value":"ITY5SQ6HM5XJ","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"pith_short_16","alias_value":"ITY5SQ6HM5XJJHAP","created_at":"2026-07-05T06:17:35Z"},{"alias_kind":"pith_short_8","alias_value":"ITY5SQ6H","created_at":"2026-07-05T06:17:35Z"}],"graph_snapshots":[{"event_id":"sha256:69f8aedd4e36c7f7d80bed462377e839a4e673dba2ebf9f96226c714bf2ca9d2","target":"graph","created_at":"2026-07-05T06:17:35Z","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/2103.17001/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Cameras are the primary sensor in automated driving systems. They provide high information density and are optimal for detecting road infrastructure cues laid out for human vision. Surround-view camera systems typically comprise of four fisheye cameras with 190{\\deg}+ field of view covering the entire 360{\\deg} around the vehicle focused on near-field sensing. They are the principal sensors for low-speed, high accuracy, and close-range sensing applications, such as automated parking, traffic jam assistance, and low-speed emergency braking. In this work, we provide a detailed survey of such vis","authors_text":"Ciaran Eising, Jonathan Horgan, Senthil Yogamani","cross_cats":["cs.RO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-31T11:33:36Z","title":"Near-field Perception for Low-Speed Vehicle Automation using Surround-view Fisheye Cameras"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.17001","kind":"arxiv","version":4},"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:c07a8eb1a7164bfd5b184257d82d3b4264f572cbd496c20c61a92f5ecade7fd9","target":"record","created_at":"2026-07-05T06:17:35Z","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":"74d4918016491aecdf5ee1c0f81f2e4b15798abfec72eb273383ad59847926e0","cross_cats_sorted":["cs.RO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2021-03-31T11:33:36Z","title_canon_sha256":"de4fe2f1112909fa256157b3b6a79503bde90f2a6b234edfa3bd6cb0b96ff5e2"},"schema_version":"1.0","source":{"id":"2103.17001","kind":"arxiv","version":4}},"canonical_sha256":"44f1d943c7676e949c0f14ec8924ade20b913effd43353803c29d09801ce47e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44f1d943c7676e949c0f14ec8924ade20b913effd43353803c29d09801ce47e9","first_computed_at":"2026-07-05T06:17:35.810216Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:17:35.810216Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dxAvmQy1YzwyRAPus13pedP33hw+3ybGfEuFmw0v6JmLC+EZornPnPhv1+wwZ5STouSo36j0s41HXrHUtxk2DA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:17:35.810703Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.17001","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c07a8eb1a7164bfd5b184257d82d3b4264f572cbd496c20c61a92f5ecade7fd9","sha256:69f8aedd4e36c7f7d80bed462377e839a4e673dba2ebf9f96226c714bf2ca9d2"],"state_sha256":"d2d34d7adab67d6b704f3b3436d4085362e73fdfb0f2f36e79c619a02929a823"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rdwPSTWa7W33LQdRIDR0YW7A1uLEfM6R14w5e27PGBg/J1RiWESm0u2yNykZkKRlYV1Uorn8p308uCq9yAZfBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T09:52:17.756174Z","bundle_sha256":"fdfb66000526f2df5082508f1768a130ec40bd677a96aee4378fdf022bbf6fe9"}}