{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:W47L3YYTMFYBNYS55XML2FMGH2","short_pith_number":"pith:W47L3YYT","schema_version":"1.0","canonical_sha256":"b73ebde313617016e25dedd8bd15863ea820b16f1d5c85ff70092f2306fb0c92","source":{"kind":"arxiv","id":"2607.23181","version":1},"attestation_state":"computed","paper":{"title":"Towards Dual-Brain Minimal Sufficient Representation for Vision-Language Navigation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bin Lin, Chenhuan Cai, Chenyi Xu, Fangli Guan, Geyong Min, Jianhui Zhang, Liqi Yan, Pan Li, Yihao Wu","submitted_at":"2026-07-25T12:26:47Z","abstract_excerpt":"Vision-and-Language Navigation in continuous environments (VLN-CE) requires an agent to ground language in egocentric observations and plan in unseen scenes. Although recent multimodal large models and world-model-based methods have improved navigation, they often preserve excessive task-irrelevant detail, weakening generalization and increasing computational burden. We propose BrainNav, a navigation framework grounded in the Principle of Minimal Sufficiency. BrainNav consists of three components: a Logical Anchor Model that implements instruction-aware selective perception to suppress environ"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2607.23181","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-07-25T12:26:47Z","cross_cats_sorted":[],"title_canon_sha256":"98ae70c987894907cbcffbc7d15df164d214ac60782ad0a42cf8e631097d4032","abstract_canon_sha256":"d1d46b96395263a849ed80357d99ea84f50f0d03cd13720dc70361e6b62e9fa0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-28T01:22:10.910577Z","signature_b64":"+4HNzuyDhQnH5SX/fI7xbZTllwU05t+7otn+g3FllMU0fGVCleSCE/29SjQEuBG0Km5VI5KCYFIRBGg60KV2Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b73ebde313617016e25dedd8bd15863ea820b16f1d5c85ff70092f2306fb0c92","last_reissued_at":"2026-07-28T01:22:10.909712Z","signature_status":"signed_v1","first_computed_at":"2026-07-28T01:22:10.909712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Towards Dual-Brain Minimal Sufficient Representation for Vision-Language Navigation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Bin Lin, Chenhuan Cai, Chenyi Xu, Fangli Guan, Geyong Min, Jianhui Zhang, Liqi Yan, Pan Li, Yihao Wu","submitted_at":"2026-07-25T12:26:47Z","abstract_excerpt":"Vision-and-Language Navigation in continuous environments (VLN-CE) requires an agent to ground language in egocentric observations and plan in unseen scenes. Although recent multimodal large models and world-model-based methods have improved navigation, they often preserve excessive task-irrelevant detail, weakening generalization and increasing computational burden. We propose BrainNav, a navigation framework grounded in the Principle of Minimal Sufficiency. BrainNav consists of three components: a Logical Anchor Model that implements instruction-aware selective perception to suppress environ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.23181","kind":"arxiv","version":1},"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/2607.23181/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.23181","created_at":"2026-07-28T01:22:10.910134+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.23181v1","created_at":"2026-07-28T01:22:10.910134+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.23181","created_at":"2026-07-28T01:22:10.910134+00:00"},{"alias_kind":"pith_short_12","alias_value":"W47L3YYTMFYB","created_at":"2026-07-28T01:22:10.910134+00:00"},{"alias_kind":"pith_short_16","alias_value":"W47L3YYTMFYBNYS5","created_at":"2026-07-28T01:22:10.910134+00:00"},{"alias_kind":"pith_short_8","alias_value":"W47L3YYT","created_at":"2026-07-28T01:22:10.910134+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2","json":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2.json","graph_json":"https://pith.science/api/pith-number/W47L3YYTMFYBNYS55XML2FMGH2/graph.json","events_json":"https://pith.science/api/pith-number/W47L3YYTMFYBNYS55XML2FMGH2/events.json","paper":"https://pith.science/paper/W47L3YYT"},"agent_actions":{"view_html":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2","download_json":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2.json","view_paper":"https://pith.science/paper/W47L3YYT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.23181&json=true","fetch_graph":"https://pith.science/api/pith-number/W47L3YYTMFYBNYS55XML2FMGH2/graph.json","fetch_events":"https://pith.science/api/pith-number/W47L3YYTMFYBNYS55XML2FMGH2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2/action/storage_attestation","attest_author":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2/action/author_attestation","sign_citation":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2/action/citation_signature","submit_replication":"https://pith.science/pith/W47L3YYTMFYBNYS55XML2FMGH2/action/replication_record"}},"created_at":"2026-07-28T01:22:10.910134+00:00","updated_at":"2026-07-28T01:22:10.910134+00:00"}