{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:FEQ4LXW7W475GVGIJFR5VR6WOC","short_pith_number":"pith:FEQ4LXW7","canonical_record":{"source":{"id":"2605.27964","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-05-27T04:59:56Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"2b4d7e66807cd6dc0c0cf0f58c1152ab97782fab894d36bd035c0ead802f97b6","abstract_canon_sha256":"6b9378df074f6f319fd6c415d1ed843a4d6cdb4b41ba1a027b3bc4bb5d921295"},"schema_version":"1.0"},"canonical_sha256":"2921c5dedfb73fd354c84963dac7d6709c7cbad2d2e1f1c31e566cc7f1525eb1","source":{"kind":"arxiv","id":"2605.27964","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.27964","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.27964v1","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.27964","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"FEQ4LXW7W475","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"pith_short_16","alias_value":"FEQ4LXW7W475GVGI","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"pith_short_8","alias_value":"FEQ4LXW7","created_at":"2026-05-28T01:04:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:FEQ4LXW7W475GVGIJFR5VR6WOC","target":"record","payload":{"canonical_record":{"source":{"id":"2605.27964","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-05-27T04:59:56Z","cross_cats_sorted":["cs.SY"],"title_canon_sha256":"2b4d7e66807cd6dc0c0cf0f58c1152ab97782fab894d36bd035c0ead802f97b6","abstract_canon_sha256":"6b9378df074f6f319fd6c415d1ed843a4d6cdb4b41ba1a027b3bc4bb5d921295"},"schema_version":"1.0"},"canonical_sha256":"2921c5dedfb73fd354c84963dac7d6709c7cbad2d2e1f1c31e566cc7f1525eb1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-28T01:04:54.769996Z","signature_b64":"MQofK+1JtzfFCZ82AZzRF9y1uVTuo4kagy7XnO3r9MvhgLgfh5pLPEmGwqlSAgt3c3fjP/D5jpLrgcCGzU2/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2921c5dedfb73fd354c84963dac7d6709c7cbad2d2e1f1c31e566cc7f1525eb1","last_reissued_at":"2026-05-28T01:04:54.769590Z","signature_status":"signed_v1","first_computed_at":"2026-05-28T01:04:54.769590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.27964","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":"2026-05-28T01:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tI+k2acbWaSLaU5kY37cT+4CvTo535CBokGUNqnHSRRebi970k4cBkoCI4hxvZsY3EHqDi4OpR0lHB+CYXFSAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:11:26.744300Z"},"content_sha256":"85b86db61d6386dc215b2c882f030400a21d686b08ae6a8f8369abbcba8f508c","schema_version":"1.0","event_id":"sha256:85b86db61d6386dc215b2c882f030400a21d686b08ae6a8f8369abbcba8f508c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:FEQ4LXW7W475GVGIJFR5VR6WOC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DRIFT: Driving Risk Inference via Field Transmission for Human-like Autonomous Driving","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SY"],"primary_cat":"eess.SY","authors_text":"Chen Sun, Yiming Shu, Zejian Deng, Zian Wang","submitted_at":"2026-05-27T04:59:56Z","abstract_excerpt":"Risk fields offer spatially structured alternatives to scalar safety metrics. However, hand-crafted static risk field models struggle with occlusion and topology-driven propagation. We present DRIFT, a spatiotemporal risk field governed by an advection-diffusion-reaction partial differential equation (PDE), with an optional telegrapher term. DRIFT draws on three sources: anisotropic Gaussian kernels to capture velocity-induced risk, occlusion-aware latent hazards behind large vehicles, and topology-coupled merge-zone conflict pressure. We further introduce field-centric evaluation metrics to c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.27964","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.27964/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":"2026-05-28T01:04:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F/5mabD31m6l9/QephhvU9x1YdYMb1gL4NvR6MJ5dvpyznWXLd68dT9LmHbaIw2xszxo1QkKM1cayaZedDFPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:11:26.745033Z"},"content_sha256":"0cdf87e1ec7b094d3c12def58c77b56881f60e795e94aabbf90d7820989a7b04","schema_version":"1.0","event_id":"sha256:0cdf87e1ec7b094d3c12def58c77b56881f60e795e94aabbf90d7820989a7b04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FEQ4LXW7W475GVGIJFR5VR6WOC/bundle.json","state_url":"https://pith.science/pith/FEQ4LXW7W475GVGIJFR5VR6WOC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FEQ4LXW7W475GVGIJFR5VR6WOC/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":"2026-05-31T02:11:26Z","links":{"resolver":"https://pith.science/pith/FEQ4LXW7W475GVGIJFR5VR6WOC","bundle":"https://pith.science/pith/FEQ4LXW7W475GVGIJFR5VR6WOC/bundle.json","state":"https://pith.science/pith/FEQ4LXW7W475GVGIJFR5VR6WOC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FEQ4LXW7W475GVGIJFR5VR6WOC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:FEQ4LXW7W475GVGIJFR5VR6WOC","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":"6b9378df074f6f319fd6c415d1ed843a4d6cdb4b41ba1a027b3bc4bb5d921295","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-05-27T04:59:56Z","title_canon_sha256":"2b4d7e66807cd6dc0c0cf0f58c1152ab97782fab894d36bd035c0ead802f97b6"},"schema_version":"1.0","source":{"id":"2605.27964","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.27964","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.27964v1","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.27964","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"pith_short_12","alias_value":"FEQ4LXW7W475","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"pith_short_16","alias_value":"FEQ4LXW7W475GVGI","created_at":"2026-05-28T01:04:54Z"},{"alias_kind":"pith_short_8","alias_value":"FEQ4LXW7","created_at":"2026-05-28T01:04:54Z"}],"graph_snapshots":[{"event_id":"sha256:0cdf87e1ec7b094d3c12def58c77b56881f60e795e94aabbf90d7820989a7b04","target":"graph","created_at":"2026-05-28T01:04:54Z","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/2605.27964/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Risk fields offer spatially structured alternatives to scalar safety metrics. However, hand-crafted static risk field models struggle with occlusion and topology-driven propagation. We present DRIFT, a spatiotemporal risk field governed by an advection-diffusion-reaction partial differential equation (PDE), with an optional telegrapher term. DRIFT draws on three sources: anisotropic Gaussian kernels to capture velocity-induced risk, occlusion-aware latent hazards behind large vehicles, and topology-coupled merge-zone conflict pressure. We further introduce field-centric evaluation metrics to c","authors_text":"Chen Sun, Yiming Shu, Zejian Deng, Zian Wang","cross_cats":["cs.SY"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-05-27T04:59:56Z","title":"DRIFT: Driving Risk Inference via Field Transmission for Human-like Autonomous Driving"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.27964","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":"sha256:85b86db61d6386dc215b2c882f030400a21d686b08ae6a8f8369abbcba8f508c","target":"record","created_at":"2026-05-28T01:04:54Z","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":"6b9378df074f6f319fd6c415d1ed843a4d6cdb4b41ba1a027b3bc4bb5d921295","cross_cats_sorted":["cs.SY"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.SY","submitted_at":"2026-05-27T04:59:56Z","title_canon_sha256":"2b4d7e66807cd6dc0c0cf0f58c1152ab97782fab894d36bd035c0ead802f97b6"},"schema_version":"1.0","source":{"id":"2605.27964","kind":"arxiv","version":1}},"canonical_sha256":"2921c5dedfb73fd354c84963dac7d6709c7cbad2d2e1f1c31e566cc7f1525eb1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2921c5dedfb73fd354c84963dac7d6709c7cbad2d2e1f1c31e566cc7f1525eb1","first_computed_at":"2026-05-28T01:04:54.769590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-28T01:04:54.769590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MQofK+1JtzfFCZ82AZzRF9y1uVTuo4kagy7XnO3r9MvhgLgfh5pLPEmGwqlSAgt3c3fjP/D5jpLrgcCGzU2/Aw==","signature_status":"signed_v1","signed_at":"2026-05-28T01:04:54.769996Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.27964","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85b86db61d6386dc215b2c882f030400a21d686b08ae6a8f8369abbcba8f508c","sha256:0cdf87e1ec7b094d3c12def58c77b56881f60e795e94aabbf90d7820989a7b04"],"state_sha256":"e4a77dce5b1233691ff13a3733455d873d2cb0fc653fe0df3e5956dbabd03d30"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gm5OA/m+u9FuELh73yFipu1UIQNzWhrWvjGMDYGEdixGk0ezd31b1STb+A+dAGGyiRxsgKiYzUXHFs28M/5LAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:11:26.748830Z","bundle_sha256":"bbdcd3bde8b07743cd33a8a2975d58cfd06cd81d4aae7d4e69d4fd063c131e36"}}