{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:37W2EZAA7VE7MQVCVLS64CA3VP","short_pith_number":"pith:37W2EZAA","canonical_record":{"source":{"id":"2408.08802","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-16T15:26:23Z","cross_cats_sorted":[],"title_canon_sha256":"1ce342852b72b4374b09c4c03518ebce28c15cbf396ce0ec412e3ec373b7471e","abstract_canon_sha256":"5c329e75e7bc6780a917620830f7487f22defcfd717855b46702f65d1d92a817"},"schema_version":"1.0"},"canonical_sha256":"dfeda26400fd49f642a2aae5ee081babe910d44e59c93ba53997f71d6494304f","source":{"kind":"arxiv","id":"2408.08802","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.08802","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"2408.08802v2","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.08802","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"37W2EZAA7VE7","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"pith_short_16","alias_value":"37W2EZAA7VE7MQVC","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"pith_short_8","alias_value":"37W2EZAA","created_at":"2026-07-05T08:57:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:37W2EZAA7VE7MQVCVLS64CA3VP","target":"record","payload":{"canonical_record":{"source":{"id":"2408.08802","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-16T15:26:23Z","cross_cats_sorted":[],"title_canon_sha256":"1ce342852b72b4374b09c4c03518ebce28c15cbf396ce0ec412e3ec373b7471e","abstract_canon_sha256":"5c329e75e7bc6780a917620830f7487f22defcfd717855b46702f65d1d92a817"},"schema_version":"1.0"},"canonical_sha256":"dfeda26400fd49f642a2aae5ee081babe910d44e59c93ba53997f71d6494304f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:57:06.887910Z","signature_b64":"EWQnQpG88Danw1BbMmpiQgz9T7wrr4LnB1nozNvRRv6C1r1HmTJQdR+WZKRnYYV4mXd5oOc7LkjGzPs7u4WfBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfeda26400fd49f642a2aae5ee081babe910d44e59c93ba53997f71d6494304f","last_reissued_at":"2026-07-05T08:57:06.887411Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:57:06.887411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.08802","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"719i47sgB+R+jNhZh8nnE60LcOEiDisiO/F2msSmva4ez5F5nPsYk0PcAIpQlty/2Xr+vP+spYOwEI9hU6G5CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:00:10.778383Z"},"content_sha256":"751c4c4a6a30e4049e406bf9ba0a87efe03588fb3b494d80173639f7513eacef","schema_version":"1.0","event_id":"sha256:751c4c4a6a30e4049e406bf9ba0a87efe03588fb3b494d80173639f7513eacef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:37W2EZAA7VE7MQVCVLS64CA3VP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"PriorMapNet: Enhancing Online Vectorized HD Map Construction with Priors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Rongxuan Wang, Tongyi Cao, Xiaoyang Liu, Xiaoyi Zou, Xin Lu, Ying Li","submitted_at":"2024-08-16T15:26:23Z","abstract_excerpt":"Online vectorized High-Definition (HD) map construction is crucial for subsequent prediction and planning tasks in autonomous driving. Following MapTR paradigm, recent works have made noteworthy achievements. However, reference points are randomly initialized in mainstream methods, leading to unstable matching between predictions and ground truth. To address this issue, we introduce PriorMapNet to enhance online vectorized HD map construction with priors. We propose the PPS-Decoder, which provides reference points with position and structure priors. Fitted from the map elements in the dataset,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.08802","kind":"arxiv","version":2},"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/2408.08802/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":"2026-07-05T08:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"57Rag9GaXHENHOY5zVqo0O1/kpKKVfAexWngd8wO4U1we8Qo09UJ0d8rBxjrFJxTvGRuDOd/ZLem0bSsj0iQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T18:00:10.778888Z"},"content_sha256":"8241b581fa53143e0cc749bc43e9610cf08c8f2f6135b864ac484855ebbf4b61","schema_version":"1.0","event_id":"sha256:8241b581fa53143e0cc749bc43e9610cf08c8f2f6135b864ac484855ebbf4b61"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/37W2EZAA7VE7MQVCVLS64CA3VP/bundle.json","state_url":"https://pith.science/pith/37W2EZAA7VE7MQVCVLS64CA3VP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/37W2EZAA7VE7MQVCVLS64CA3VP/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":"2026-08-07T18:00:10Z","links":{"resolver":"https://pith.science/pith/37W2EZAA7VE7MQVCVLS64CA3VP","bundle":"https://pith.science/pith/37W2EZAA7VE7MQVCVLS64CA3VP/bundle.json","state":"https://pith.science/pith/37W2EZAA7VE7MQVCVLS64CA3VP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/37W2EZAA7VE7MQVCVLS64CA3VP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:37W2EZAA7VE7MQVCVLS64CA3VP","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":"5c329e75e7bc6780a917620830f7487f22defcfd717855b46702f65d1d92a817","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-16T15:26:23Z","title_canon_sha256":"1ce342852b72b4374b09c4c03518ebce28c15cbf396ce0ec412e3ec373b7471e"},"schema_version":"1.0","source":{"id":"2408.08802","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.08802","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"2408.08802v2","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.08802","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"37W2EZAA7VE7","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"pith_short_16","alias_value":"37W2EZAA7VE7MQVC","created_at":"2026-07-05T08:57:06Z"},{"alias_kind":"pith_short_8","alias_value":"37W2EZAA","created_at":"2026-07-05T08:57:06Z"}],"graph_snapshots":[{"event_id":"sha256:8241b581fa53143e0cc749bc43e9610cf08c8f2f6135b864ac484855ebbf4b61","target":"graph","created_at":"2026-07-05T08:57:06Z","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/2408.08802/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Online vectorized High-Definition (HD) map construction is crucial for subsequent prediction and planning tasks in autonomous driving. Following MapTR paradigm, recent works have made noteworthy achievements. However, reference points are randomly initialized in mainstream methods, leading to unstable matching between predictions and ground truth. To address this issue, we introduce PriorMapNet to enhance online vectorized HD map construction with priors. We propose the PPS-Decoder, which provides reference points with position and structure priors. Fitted from the map elements in the dataset,","authors_text":"Rongxuan Wang, Tongyi Cao, Xiaoyang Liu, Xiaoyi Zou, Xin Lu, Ying Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-16T15:26:23Z","title":"PriorMapNet: Enhancing Online Vectorized HD Map Construction with Priors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.08802","kind":"arxiv","version":2},"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":"sha256:751c4c4a6a30e4049e406bf9ba0a87efe03588fb3b494d80173639f7513eacef","target":"record","created_at":"2026-07-05T08:57:06Z","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":"5c329e75e7bc6780a917620830f7487f22defcfd717855b46702f65d1d92a817","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-16T15:26:23Z","title_canon_sha256":"1ce342852b72b4374b09c4c03518ebce28c15cbf396ce0ec412e3ec373b7471e"},"schema_version":"1.0","source":{"id":"2408.08802","kind":"arxiv","version":2}},"canonical_sha256":"dfeda26400fd49f642a2aae5ee081babe910d44e59c93ba53997f71d6494304f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfeda26400fd49f642a2aae5ee081babe910d44e59c93ba53997f71d6494304f","first_computed_at":"2026-07-05T08:57:06.887411Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:57:06.887411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EWQnQpG88Danw1BbMmpiQgz9T7wrr4LnB1nozNvRRv6C1r1HmTJQdR+WZKRnYYV4mXd5oOc7LkjGzPs7u4WfBw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:57:06.887910Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.08802","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:751c4c4a6a30e4049e406bf9ba0a87efe03588fb3b494d80173639f7513eacef","sha256:8241b581fa53143e0cc749bc43e9610cf08c8f2f6135b864ac484855ebbf4b61"],"state_sha256":"e10b3d8f89f22f3b33d7659e76f983673687ead14fb35e074cf673aeea8914b9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h9CmgJq/uV+9JWPXlcqkTVN53kZlZdwPIy37hVifuhDcBs5LEgiz6DFLwyYP23tFshasXCwm4HX3Nevdd/Q5CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T18:00:10.787716Z","bundle_sha256":"a3e418a8011d11950c2d54a0601f441908885947b7b029e5cb8bff9f148ecc92"}}