{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KNZXYBWNNVYC5QH5D42TJCH3XV","short_pith_number":"pith:KNZXYBWN","canonical_record":{"source":{"id":"2508.21689","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-29T14:55:33Z","cross_cats_sorted":[],"title_canon_sha256":"e3410061473d91a3ed1b467fbdf2d76549625ea1f9c9ce73785f3fa090c4b741","abstract_canon_sha256":"4a5dc12ba7395e91aa3287b29f5c08d1a8d310f253bcabee45404bbaa4b0dfd3"},"schema_version":"1.0"},"canonical_sha256":"53737c06cd6d702ec0fd1f353488fbbd45f6e7cfa0ec71f883ecd3fe9efc5dce","source":{"kind":"arxiv","id":"2508.21689","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.21689","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"arxiv_version","alias_value":"2508.21689v1","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.21689","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"pith_short_12","alias_value":"KNZXYBWNNVYC","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"pith_short_16","alias_value":"KNZXYBWNNVYC5QH5","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"pith_short_8","alias_value":"KNZXYBWN","created_at":"2026-07-05T12:01:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KNZXYBWNNVYC5QH5D42TJCH3XV","target":"record","payload":{"canonical_record":{"source":{"id":"2508.21689","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-29T14:55:33Z","cross_cats_sorted":[],"title_canon_sha256":"e3410061473d91a3ed1b467fbdf2d76549625ea1f9c9ce73785f3fa090c4b741","abstract_canon_sha256":"4a5dc12ba7395e91aa3287b29f5c08d1a8d310f253bcabee45404bbaa4b0dfd3"},"schema_version":"1.0"},"canonical_sha256":"53737c06cd6d702ec0fd1f353488fbbd45f6e7cfa0ec71f883ecd3fe9efc5dce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:01:47.886443Z","signature_b64":"tSOVHQMis0F8BeEH7hsJR5ZX7ZqW+mUjbRdvSfSKBQ5s6EIaSAi6iBMrl9kkWjAlvtpGOQUIi63+iX7KDbGMCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53737c06cd6d702ec0fd1f353488fbbd45f6e7cfa0ec71f883ecd3fe9efc5dce","last_reissued_at":"2026-07-05T12:01:47.885935Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:01:47.885935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.21689","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":"2026-07-05T12:01:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P/7qoRgOPG7yTzr4FrCEAUEnkLfaPfuVuuzDH0AX2/Z+e7xWSuvRxsZyhcXaTK7v+nwAUxek4DF9UWcnaApHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:20:37.834072Z"},"content_sha256":"9755760ed4825adf8006c3bdf8349edefb2c8cc192094efe023d077588e3f4cb","schema_version":"1.0","event_id":"sha256:9755760ed4825adf8006c3bdf8349edefb2c8cc192094efe023d077588e3f4cb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KNZXYBWNNVYC5QH5D42TJCH3XV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mapping like a Skeptic: Probabilistic BEV Projection for Online HD Mapping","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Fatih Erdo\\u{g}an, Fatma G\\\"uney, Merve Rabia Bar{\\i}n","submitted_at":"2025-08-29T14:55:33Z","abstract_excerpt":"Constructing high-definition (HD) maps from sensory input requires accurately mapping the road elements in image space to the Bird's Eye View (BEV) space. The precision of this mapping directly impacts the quality of the final vectorized HD map. Existing HD mapping approaches outsource the projection to standard mapping techniques, such as attention-based ones. However, these methods struggle with accuracy due to generalization problems, often hallucinating non-existent road elements. Our key idea is to start with a geometric mapping based on camera parameters and adapt it to the scene to extr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.21689","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/2508.21689/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":"2026-07-05T12:01:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WLgQeulNe0d0cr5psGOsqTppecuJXO8LlAn+xfnfeQG8t8v/0vU2FdmPSdyK6y3OlYmol+xoXdztxBkLU1YcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T07:20:37.835227Z"},"content_sha256":"092cc3401c1d5c6edbbec3f09b89a5e83787968f212e628a47d53d31d6ac3429","schema_version":"1.0","event_id":"sha256:092cc3401c1d5c6edbbec3f09b89a5e83787968f212e628a47d53d31d6ac3429"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KNZXYBWNNVYC5QH5D42TJCH3XV/bundle.json","state_url":"https://pith.science/pith/KNZXYBWNNVYC5QH5D42TJCH3XV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KNZXYBWNNVYC5QH5D42TJCH3XV/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":"2026-08-07T07:20:37Z","links":{"resolver":"https://pith.science/pith/KNZXYBWNNVYC5QH5D42TJCH3XV","bundle":"https://pith.science/pith/KNZXYBWNNVYC5QH5D42TJCH3XV/bundle.json","state":"https://pith.science/pith/KNZXYBWNNVYC5QH5D42TJCH3XV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KNZXYBWNNVYC5QH5D42TJCH3XV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KNZXYBWNNVYC5QH5D42TJCH3XV","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":"4a5dc12ba7395e91aa3287b29f5c08d1a8d310f253bcabee45404bbaa4b0dfd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-29T14:55:33Z","title_canon_sha256":"e3410061473d91a3ed1b467fbdf2d76549625ea1f9c9ce73785f3fa090c4b741"},"schema_version":"1.0","source":{"id":"2508.21689","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.21689","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"arxiv_version","alias_value":"2508.21689v1","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.21689","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"pith_short_12","alias_value":"KNZXYBWNNVYC","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"pith_short_16","alias_value":"KNZXYBWNNVYC5QH5","created_at":"2026-07-05T12:01:47Z"},{"alias_kind":"pith_short_8","alias_value":"KNZXYBWN","created_at":"2026-07-05T12:01:47Z"}],"graph_snapshots":[{"event_id":"sha256:092cc3401c1d5c6edbbec3f09b89a5e83787968f212e628a47d53d31d6ac3429","target":"graph","created_at":"2026-07-05T12:01:47Z","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/2508.21689/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Constructing high-definition (HD) maps from sensory input requires accurately mapping the road elements in image space to the Bird's Eye View (BEV) space. The precision of this mapping directly impacts the quality of the final vectorized HD map. Existing HD mapping approaches outsource the projection to standard mapping techniques, such as attention-based ones. However, these methods struggle with accuracy due to generalization problems, often hallucinating non-existent road elements. Our key idea is to start with a geometric mapping based on camera parameters and adapt it to the scene to extr","authors_text":"Fatih Erdo\\u{g}an, Fatma G\\\"uney, Merve Rabia Bar{\\i}n","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-29T14:55:33Z","title":"Mapping like a Skeptic: Probabilistic BEV Projection for Online HD Mapping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.21689","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":"sha256:9755760ed4825adf8006c3bdf8349edefb2c8cc192094efe023d077588e3f4cb","target":"record","created_at":"2026-07-05T12:01:47Z","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":"4a5dc12ba7395e91aa3287b29f5c08d1a8d310f253bcabee45404bbaa4b0dfd3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-08-29T14:55:33Z","title_canon_sha256":"e3410061473d91a3ed1b467fbdf2d76549625ea1f9c9ce73785f3fa090c4b741"},"schema_version":"1.0","source":{"id":"2508.21689","kind":"arxiv","version":1}},"canonical_sha256":"53737c06cd6d702ec0fd1f353488fbbd45f6e7cfa0ec71f883ecd3fe9efc5dce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53737c06cd6d702ec0fd1f353488fbbd45f6e7cfa0ec71f883ecd3fe9efc5dce","first_computed_at":"2026-07-05T12:01:47.885935Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:01:47.885935Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tSOVHQMis0F8BeEH7hsJR5ZX7ZqW+mUjbRdvSfSKBQ5s6EIaSAi6iBMrl9kkWjAlvtpGOQUIi63+iX7KDbGMCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T12:01:47.886443Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.21689","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9755760ed4825adf8006c3bdf8349edefb2c8cc192094efe023d077588e3f4cb","sha256:092cc3401c1d5c6edbbec3f09b89a5e83787968f212e628a47d53d31d6ac3429"],"state_sha256":"d28ff487924f09d7929399398c07958b2fb36d3f3c8b1d260a855d4402516d15"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YULDnAg0MxADVVJbWciQP+WcB7agL5nQLtahT17k6xyoetcWw9Q5T140EyuscH6VA13C4fHQguKas/aj5qmjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T07:20:37.843128Z","bundle_sha256":"3473650f9a9a234aefa8e5a4f93cdb5a65b6b4a8a0eebec0a7a18ed5a8dbe153"}}