{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:A7IVJZGGPLGEVCM4A4GMT6GPLQ","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":"87b71c4566ab03e40a5029307d6045d0b8b95927e6e4ddeae198eb17e6a0e9c8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-06-02T08:49:25Z","title_canon_sha256":"f99436b82e03a82b0c0f740dc820d1f9850a3aadcf2871872f9fe571b99bd24c"},"schema_version":"1.0","source":{"id":"2606.03340","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03340","created_at":"2026-06-03T01:05:55Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03340v1","created_at":"2026-06-03T01:05:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03340","created_at":"2026-06-03T01:05:55Z"},{"alias_kind":"pith_short_12","alias_value":"A7IVJZGGPLGE","created_at":"2026-06-03T01:05:55Z"},{"alias_kind":"pith_short_16","alias_value":"A7IVJZGGPLGEVCM4","created_at":"2026-06-03T01:05:55Z"},{"alias_kind":"pith_short_8","alias_value":"A7IVJZGG","created_at":"2026-06-03T01:05:55Z"}],"graph_snapshots":[{"event_id":"sha256:e8ef50b01c3e9e8b92c33921575304ad18723303cb1c95bea466cabad4a0d2e8","target":"graph","created_at":"2026-06-03T01:05:55Z","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/2606.03340/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Libraries require autonomous robots to move quietly through narrow aisles while remaining safe around readers, chairs, bags, and carts. This paper presents a ROS 2 navigation system for a Unitree Go2 Edu quadruped equipped with a 4D LiDAR, a front depth camera, and an IMU. Rather than assuming the library is rough terrain, we target the practical mobility discontinuities of real deployments, including floor transitions, temporary clutter, and partially blocked passages where low-clearance wheeled platforms are less tolerant. RTAB-Map is used for visual-LiDAR SLAM, AMCL and EKF-based sensor fus","authors_text":"Aoduo Li, Bingquan Ou, Haoran Lv, Jianfeng Li, Yingdong Li, Zimeng Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-06-02T08:49:25Z","title":"Autonomous Navigation System for Library Service Robot Based on Unitree Go2 Edu"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03340","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:a479dbd4aeb5cd6fe2ed4b15f13be2e4371dfe03658ae18d47092d2dce484433","target":"record","created_at":"2026-06-03T01:05:55Z","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":"87b71c4566ab03e40a5029307d6045d0b8b95927e6e4ddeae198eb17e6a0e9c8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-06-02T08:49:25Z","title_canon_sha256":"f99436b82e03a82b0c0f740dc820d1f9850a3aadcf2871872f9fe571b99bd24c"},"schema_version":"1.0","source":{"id":"2606.03340","kind":"arxiv","version":1}},"canonical_sha256":"07d154e4c67acc4a899c070cc9f8cf5c0e964653259164e846381f55ec818d22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"07d154e4c67acc4a899c070cc9f8cf5c0e964653259164e846381f55ec818d22","first_computed_at":"2026-06-03T01:05:55.423163Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:05:55.423163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f4GYXBCV8NBsC4XXqmvQxS1T4GH9rOMHDj3gtCGGTgd03Jf7smDEnaS0RSrySS4V+LUKs+fTleVUeTin0PWQAA==","signature_status":"signed_v1","signed_at":"2026-06-03T01:05:55.423606Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.03340","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a479dbd4aeb5cd6fe2ed4b15f13be2e4371dfe03658ae18d47092d2dce484433","sha256:e8ef50b01c3e9e8b92c33921575304ad18723303cb1c95bea466cabad4a0d2e8"],"state_sha256":"21f86aadc1e366b21d6656e38c37f836a10db6f715c6af59d1dfa99d8b173ad0"}