{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BBKF22PDWH72KLHXXWJFGV4ICQ","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":"3915da956170fb8f4e364faba38336bd3fbe322b19d996dc2969e2d5421cb0e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-03-23T23:05:25Z","title_canon_sha256":"f462e688fb8ba19cc57f1285c200c739f8dc1a1d2208520f0e8af60e0b7eab6f"},"schema_version":"1.0","source":{"id":"2403.15951","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.15951","created_at":"2026-07-05T09:19:27Z"},{"alias_kind":"arxiv_version","alias_value":"2403.15951v2","created_at":"2026-07-05T09:19:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.15951","created_at":"2026-07-05T09:19:27Z"},{"alias_kind":"pith_short_12","alias_value":"BBKF22PDWH72","created_at":"2026-07-05T09:19:27Z"},{"alias_kind":"pith_short_16","alias_value":"BBKF22PDWH72KLHX","created_at":"2026-07-05T09:19:27Z"},{"alias_kind":"pith_short_8","alias_value":"BBKF22PD","created_at":"2026-07-05T09:19:27Z"}],"graph_snapshots":[{"event_id":"sha256:1825be851f71a249029ed0c7026117c17196a1288b2f40b01b8dbad4edbe5f62","target":"graph","created_at":"2026-07-05T09:19:27Z","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/2403.15951/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper presents a vector HD-mapping algorithm that formulates the mapping as a tracking task and uses a history of memory latents to ensure consistent reconstructions over time. Our method, MapTracker, accumulates a sensor stream into memory buffers of two latent representations: 1) Raster latents in the bird's-eye-view (BEV) space and 2) Vector latents over the road elements (i.e., pedestrian-crossings, lane-dividers, and road-boundaries). The approach borrows the query propagation paradigm from the tracking literature that explicitly associates tracked road elements from the previous fra","authors_text":"Hang Ma, Jiacheng Chen, Jiaqi Tan, Yasutaka Furukawa, Yuefan Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-03-23T23:05:25Z","title":"MapTracker: Tracking with Strided Memory Fusion for Consistent Vector HD Mapping"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.15951","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":"sha256:7fcb4c8375466d27424f090fd1b42d022d81fe84f29e52f092899acd2f95e9e7","target":"record","created_at":"2026-07-05T09:19:27Z","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":"3915da956170fb8f4e364faba38336bd3fbe322b19d996dc2969e2d5421cb0e2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-03-23T23:05:25Z","title_canon_sha256":"f462e688fb8ba19cc57f1285c200c739f8dc1a1d2208520f0e8af60e0b7eab6f"},"schema_version":"1.0","source":{"id":"2403.15951","kind":"arxiv","version":2}},"canonical_sha256":"08545d69e3b1ffa52cf7bd9253578814193944e0a53d8a84fbe3ffdac3287199","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"08545d69e3b1ffa52cf7bd9253578814193944e0a53d8a84fbe3ffdac3287199","first_computed_at":"2026-07-05T09:19:27.405500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:19:27.405500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"geM8Jw4pQZvqaS/IsXArwI7R6wXJum5m1DNmWhGYzb6akwFRmZEcTuiDQRI7rD23r2iQZFHf7Lsb7ihc4SATDw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:19:27.405958Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.15951","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7fcb4c8375466d27424f090fd1b42d022d81fe84f29e52f092899acd2f95e9e7","sha256:1825be851f71a249029ed0c7026117c17196a1288b2f40b01b8dbad4edbe5f62"],"state_sha256":"60c47f2a5f8333467f877d436217d04d7e9e2ee2357d677e81b69faaac105656"}