{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:67TJU3XOLYLNB4JODITIQEJ4S3","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":"f38b35b2fefbf94b0d5dffe159089663efa12e2878ec9c6611a0e88911ed2034","cross_cats_sorted":["cs.RO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-23T02:17:08Z","title_canon_sha256":"2511e969013b7524675e3e9bf14e7870444670b09754e4118054a7542d2f769e"},"schema_version":"1.0","source":{"id":"2606.24068","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.24068","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"arxiv_version","alias_value":"2606.24068v1","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.24068","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"pith_short_12","alias_value":"67TJU3XOLYLN","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"pith_short_16","alias_value":"67TJU3XOLYLNB4JO","created_at":"2026-06-24T01:14:39Z"},{"alias_kind":"pith_short_8","alias_value":"67TJU3XO","created_at":"2026-06-24T01:14:39Z"}],"graph_snapshots":[{"event_id":"sha256:e5d3db24fafa063b4b5592b581f6a1a81d323b5017efe7df1c4876005c66735f","target":"graph","created_at":"2026-06-24T01:14:39Z","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/2606.24068/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Embodied reasoning and exploration are increasingly considered crucial abilities for robots operating in complex and unfamiliar environments. To accomplish tasks in such settings, an agent must identify and acquire the information necessary for the task through exploration. We propose ObsGraph, an observation-centric hierarchical scene graph that unifies scene representation, retrieval, and exploration. It retains visual evidence and organizes it into room-view-object layers: rooms provide coarse semantic anchors, views preserve contextual object covisibility, and objects store fine-grained de","authors_text":"H. Jin Kim, Jeonghwa Heo, Jeongjun Choi, Taekbeom Lee, Youngseok Jang","cross_cats":["cs.RO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-23T02:17:08Z","title":"ObsGraph: Hierarchical Observation Representation for Embodied Reasoning and Exploration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.24068","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":"sha256:7e4495ce08676ce2c85304f252fb4c2afcbca61a3569816eb46235d9db76eba2","target":"record","created_at":"2026-06-24T01:14:39Z","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":"f38b35b2fefbf94b0d5dffe159089663efa12e2878ec9c6611a0e88911ed2034","cross_cats_sorted":["cs.RO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-23T02:17:08Z","title_canon_sha256":"2511e969013b7524675e3e9bf14e7870444670b09754e4118054a7542d2f769e"},"schema_version":"1.0","source":{"id":"2606.24068","kind":"arxiv","version":1}},"canonical_sha256":"f7e69a6eee5e16d0f12e1a2688113c96f6ca34ab5e2daeae6efe5bc8f2a24567","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f7e69a6eee5e16d0f12e1a2688113c96f6ca34ab5e2daeae6efe5bc8f2a24567","first_computed_at":"2026-06-24T01:14:39.525470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-24T01:14:39.525470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IRchCycaYhtJIzO6/OYs7XKE7Yhg5LaK8ORRceJ+9/AEyIyca8qIRHjcKQD9iFu9WMASX97SBEK9PFnjCJ/JCg==","signature_status":"signed_v1","signed_at":"2026-06-24T01:14:39.525851Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.24068","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e4495ce08676ce2c85304f252fb4c2afcbca61a3569816eb46235d9db76eba2","sha256:e5d3db24fafa063b4b5592b581f6a1a81d323b5017efe7df1c4876005c66735f"],"state_sha256":"7847deba1bd0d64701431a6f3703ebf5498f074b32a729cd60008474437bd9e8"}