{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:IVTUGNSHZ5OUORWT7PYHWCJD43","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":"5cf05d31d0437024ac00b147b046306cf2a5a2252f2c6440df3ec62f15163343","cross_cats_sorted":["cs.AI","cs.CL","cs.RO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-29T12:04:38Z","title_canon_sha256":"7a755c29393fe3380e823e49bdbef29acc4a85df2a06348e5f1a593aeb0e1274"},"schema_version":"1.0","source":{"id":"2605.31196","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.31196","created_at":"2026-06-01T01:04:03Z"},{"alias_kind":"arxiv_version","alias_value":"2605.31196v1","created_at":"2026-06-01T01:04:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.31196","created_at":"2026-06-01T01:04:03Z"},{"alias_kind":"pith_short_12","alias_value":"IVTUGNSHZ5OU","created_at":"2026-06-01T01:04:03Z"},{"alias_kind":"pith_short_16","alias_value":"IVTUGNSHZ5OUORWT","created_at":"2026-06-01T01:04:03Z"},{"alias_kind":"pith_short_8","alias_value":"IVTUGNSH","created_at":"2026-06-01T01:04:03Z"}],"graph_snapshots":[{"event_id":"sha256:ffd7e8bfb92c64a5384ae5ef7687cb837c4fae5bd88be5741f70bd626b923f5b","target":"graph","created_at":"2026-06-01T01:04:03Z","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/2605.31196/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Safe human--robot collaboration requires more than visual description: a monitor must determine whether the robot body is safely separated, already colliding with the scene or a person, or about to collide. We call this capability collision grounding: binding visual observations to robot body geometry, camera viewpoint, scene layout, human proximity, and temporal motion in order to infer present and imminent contact. We introduce TouchSafeBench, a physics-grounded benchmark for evaluating collision grounding in vision-language models (VLMs). Built in Habitat~3.0, TouchSafeBench contains 2,940 ","authors_text":"Jun Wang, Xiaohao Xu, Xiaonan Huang","cross_cats":["cs.AI","cs.CL","cs.RO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-29T12:04:38Z","title":"Probing Collision Grounding in Vision-Language Models for Safe Human-Robot Collaboration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.31196","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":"sha256:43a2bd562b27ee1da1803bca57e03dd2a187323ad35d7278d57948ebb096231f","target":"record","created_at":"2026-06-01T01:04:03Z","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":"5cf05d31d0437024ac00b147b046306cf2a5a2252f2c6440df3ec62f15163343","cross_cats_sorted":["cs.AI","cs.CL","cs.RO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-05-29T12:04:38Z","title_canon_sha256":"7a755c29393fe3380e823e49bdbef29acc4a85df2a06348e5f1a593aeb0e1274"},"schema_version":"1.0","source":{"id":"2605.31196","kind":"arxiv","version":1}},"canonical_sha256":"4567433647cf5d4746d3fbf07b0923e6d41dfec66e78d73ddb56016a8ee3d87d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4567433647cf5d4746d3fbf07b0923e6d41dfec66e78d73ddb56016a8ee3d87d","first_computed_at":"2026-06-01T01:04:03.383112Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-01T01:04:03.383112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9605/rHivAVxlM6IiInlqdNSbajE/9KuZT2iD9o8Y34wqI/YWdlh3XbhLQzUeVE1JE/h32J2PeDDXskHJPPDBg==","signature_status":"signed_v1","signed_at":"2026-06-01T01:04:03.383685Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.31196","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43a2bd562b27ee1da1803bca57e03dd2a187323ad35d7278d57948ebb096231f","sha256:ffd7e8bfb92c64a5384ae5ef7687cb837c4fae5bd88be5741f70bd626b923f5b"],"state_sha256":"f37acccbe1267bbe0974dfca6d8710cee79dd7db05b5c00891d0fd36b5a6a407"}