{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QUKDG6C37AIUPHJFMDLNA63HTR","short_pith_number":"pith:QUKDG6C3","canonical_record":{"source":{"id":"2603.23800","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-03-25T00:24:12Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"ad5ef7c1992f7b32ffadd380a069d13e684ec37a34703b0630efe4075a164763","abstract_canon_sha256":"bbdb63ed58a02a8d04f5867e8f106ea19efba03f461caa081c7ab9bd6333782b"},"schema_version":"1.0"},"canonical_sha256":"851433785bf811479d2560d6d07b679c5003bd09b8692b15cb271214d174f10b","source":{"kind":"arxiv","id":"2603.23800","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.23800","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"arxiv_version","alias_value":"2603.23800v2","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.23800","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"pith_short_12","alias_value":"QUKDG6C37AIU","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"pith_short_16","alias_value":"QUKDG6C37AIUPHJF","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"pith_short_8","alias_value":"QUKDG6C3","created_at":"2026-07-09T00:19:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QUKDG6C37AIUPHJFMDLNA63HTR","target":"record","payload":{"canonical_record":{"source":{"id":"2603.23800","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-03-25T00:24:12Z","cross_cats_sorted":["cs.AI","cs.LG"],"title_canon_sha256":"ad5ef7c1992f7b32ffadd380a069d13e684ec37a34703b0630efe4075a164763","abstract_canon_sha256":"bbdb63ed58a02a8d04f5867e8f106ea19efba03f461caa081c7ab9bd6333782b"},"schema_version":"1.0"},"canonical_sha256":"851433785bf811479d2560d6d07b679c5003bd09b8692b15cb271214d174f10b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T00:19:13.536540Z","signature_b64":"7F4x96BfoKaJJEuBsZ4UHT16W6X4MXU68nwNvLYz4ZK0fuXihf+YUQcM449t/SCw5mGQOVo8vZxRtYmG6A8aCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"851433785bf811479d2560d6d07b679c5003bd09b8692b15cb271214d174f10b","last_reissued_at":"2026-07-09T00:19:13.535991Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T00:19:13.535991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2603.23800","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":"2026-07-09T00:19:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qe23T8t8QztHJcaGbeT6S/w/5aRG36H32Ve0q6LOO5gT3XlqgbE8OwPlsj6os2pxxjSqayLS14vJZbojzIXCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T08:11:29.104057Z"},"content_sha256":"677f4c5ae815721aeaa6579acf2a884d9afbe8fb6e26bf307d3b8d629af2aed8","schema_version":"1.0","event_id":"sha256:677f4c5ae815721aeaa6579acf2a884d9afbe8fb6e26bf307d3b8d629af2aed8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QUKDG6C37AIUPHJFMDLNA63HTR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Object Search in Partially-Known Environments via LLM-informed Model-based Planning and Prompt Selection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.LG"],"primary_cat":"cs.RO","authors_text":"Abhishek Paudel, Abhish Khanal, Gregory J. Stein, Raihan I. Arnob, Shahriar Hossain","submitted_at":"2026-03-25T00:24:12Z","abstract_excerpt":"We present a novel LLM-informed model-based planning framework, and a novel prompt selection method, for object search in partially-known environments. Our approach uses an LLM to estimate statistics about the likelihood of finding the target object when searching various locations throughout the scene that, combined with travel costs extracted from the environment map, are used to instantiate a model, thus using the LLM to inform planning and achieve effective search performance. Moreover, the abstraction upon which our approach relies is amenable to deployment-time model selection via the re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.23800","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/2603.23800/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":"2026-07-09T00:19:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S00KFMpIEnmduavY5vD0Tla8RbQuQRmpQ5TEOo25Fs8KBQehRZADI0W2eaaRJLRQ9FS1yNmVkljYGZewF0fvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T08:11:29.104534Z"},"content_sha256":"ba99507de47b62c21108124cac1872b5c195717a9324369e8f6006980f0f55d8","schema_version":"1.0","event_id":"sha256:ba99507de47b62c21108124cac1872b5c195717a9324369e8f6006980f0f55d8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QUKDG6C37AIUPHJFMDLNA63HTR/bundle.json","state_url":"https://pith.science/pith/QUKDG6C37AIUPHJFMDLNA63HTR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QUKDG6C37AIUPHJFMDLNA63HTR/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":"2026-08-01T08:11:29Z","links":{"resolver":"https://pith.science/pith/QUKDG6C37AIUPHJFMDLNA63HTR","bundle":"https://pith.science/pith/QUKDG6C37AIUPHJFMDLNA63HTR/bundle.json","state":"https://pith.science/pith/QUKDG6C37AIUPHJFMDLNA63HTR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QUKDG6C37AIUPHJFMDLNA63HTR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QUKDG6C37AIUPHJFMDLNA63HTR","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":"bbdb63ed58a02a8d04f5867e8f106ea19efba03f461caa081c7ab9bd6333782b","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-03-25T00:24:12Z","title_canon_sha256":"ad5ef7c1992f7b32ffadd380a069d13e684ec37a34703b0630efe4075a164763"},"schema_version":"1.0","source":{"id":"2603.23800","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2603.23800","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"arxiv_version","alias_value":"2603.23800v2","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2603.23800","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"pith_short_12","alias_value":"QUKDG6C37AIU","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"pith_short_16","alias_value":"QUKDG6C37AIUPHJF","created_at":"2026-07-09T00:19:13Z"},{"alias_kind":"pith_short_8","alias_value":"QUKDG6C3","created_at":"2026-07-09T00:19:13Z"}],"graph_snapshots":[{"event_id":"sha256:ba99507de47b62c21108124cac1872b5c195717a9324369e8f6006980f0f55d8","target":"graph","created_at":"2026-07-09T00:19:13Z","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/2603.23800/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a novel LLM-informed model-based planning framework, and a novel prompt selection method, for object search in partially-known environments. Our approach uses an LLM to estimate statistics about the likelihood of finding the target object when searching various locations throughout the scene that, combined with travel costs extracted from the environment map, are used to instantiate a model, thus using the LLM to inform planning and achieve effective search performance. Moreover, the abstraction upon which our approach relies is amenable to deployment-time model selection via the re","authors_text":"Abhishek Paudel, Abhish Khanal, Gregory J. Stein, Raihan I. Arnob, Shahriar Hossain","cross_cats":["cs.AI","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-03-25T00:24:12Z","title":"Object Search in Partially-Known Environments via LLM-informed Model-based Planning and Prompt Selection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2603.23800","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":"sha256:677f4c5ae815721aeaa6579acf2a884d9afbe8fb6e26bf307d3b8d629af2aed8","target":"record","created_at":"2026-07-09T00:19:13Z","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":"bbdb63ed58a02a8d04f5867e8f106ea19efba03f461caa081c7ab9bd6333782b","cross_cats_sorted":["cs.AI","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.RO","submitted_at":"2026-03-25T00:24:12Z","title_canon_sha256":"ad5ef7c1992f7b32ffadd380a069d13e684ec37a34703b0630efe4075a164763"},"schema_version":"1.0","source":{"id":"2603.23800","kind":"arxiv","version":2}},"canonical_sha256":"851433785bf811479d2560d6d07b679c5003bd09b8692b15cb271214d174f10b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"851433785bf811479d2560d6d07b679c5003bd09b8692b15cb271214d174f10b","first_computed_at":"2026-07-09T00:19:13.535991Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-09T00:19:13.535991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7F4x96BfoKaJJEuBsZ4UHT16W6X4MXU68nwNvLYz4ZK0fuXihf+YUQcM449t/SCw5mGQOVo8vZxRtYmG6A8aCg==","signature_status":"signed_v1","signed_at":"2026-07-09T00:19:13.536540Z","signed_message":"canonical_sha256_bytes"},"source_id":"2603.23800","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:677f4c5ae815721aeaa6579acf2a884d9afbe8fb6e26bf307d3b8d629af2aed8","sha256:ba99507de47b62c21108124cac1872b5c195717a9324369e8f6006980f0f55d8"],"state_sha256":"db279f447dd67ae1913ec6342dea16e024e807f6cc0c49f7c5987fe362e74fc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"et121VV2D3aXArWkZBPHsRlwOu+ci+muYcC6NSXppp52LMhTWJSIbusp9YVwg1c4NExaHc9ifUtRp1nL0/F4Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T08:11:29.107942Z","bundle_sha256":"e10c0ce1aba46b78f6f8d8f6025fa99711b6a1f6a8981fbf51a93b3a2d7e1e96"}}