{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:7FTYOD5UG6L54PBVPXBALJMCKK","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":"2e96a27cf1928ee7989ae070115b1e47f95dd405a107f262097ab90bee622776","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-18T10:05:45Z","title_canon_sha256":"7c04b5cff79f2a9cbea11bfcb84d2b7e8779bdf3aeec4236da6a55dadd189ce9"},"schema_version":"1.0","source":{"id":"2606.20032","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.20032","created_at":"2026-06-19T16:13:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.20032v1","created_at":"2026-06-19T16:13:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.20032","created_at":"2026-06-19T16:13:01Z"},{"alias_kind":"pith_short_12","alias_value":"7FTYOD5UG6L5","created_at":"2026-06-19T16:13:01Z"},{"alias_kind":"pith_short_16","alias_value":"7FTYOD5UG6L54PBV","created_at":"2026-06-19T16:13:01Z"},{"alias_kind":"pith_short_8","alias_value":"7FTYOD5U","created_at":"2026-06-19T16:13:01Z"}],"graph_snapshots":[{"event_id":"sha256:c97f6ff3af5337f43946b040bb8adabd74f22b407bbdc4073c651d2275d6ed6f","target":"graph","created_at":"2026-06-19T16:13:01Z","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/2606.20032/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Unlike traditional remote sensing change detection that relies on predefined categories, Open-Vocabulary Change Detection (OVCD) identifies land cover changes flexibly using arbitrary text prompts. However, existing methods suffer from an inherent trade-off when modeling changes: instance-level comparison overlooks fine-grained semantic variations (e.g., partial building extensions), while direct pixel comparison proves unreliable, yielding unstable responses and boundary artifacts due to semantic ambiguity and spatial inconsistency. To this end, we propose an efficient training-free Reliabili","authors_text":"Bowen Du, Hongming Zhu, Huaji Chen, Qin Liu, Sicong Liu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-18T10:05:45Z","title":"ReA-OVCD: Reliability-Aware Open-Vocabulary Change Detection via Semantic and Spatial Refinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.20032","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:daf84813171ad990a47600f20c7848b7760f3ad1fc8c067d708559be25f70f61","target":"record","created_at":"2026-06-19T16:13:01Z","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":"2e96a27cf1928ee7989ae070115b1e47f95dd405a107f262097ab90bee622776","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2026-06-18T10:05:45Z","title_canon_sha256":"7c04b5cff79f2a9cbea11bfcb84d2b7e8779bdf3aeec4236da6a55dadd189ce9"},"schema_version":"1.0","source":{"id":"2606.20032","kind":"arxiv","version":1}},"canonical_sha256":"f967870fb43797de3c357dc205a582529e70cc151f5da7942d7107601ed7634e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f967870fb43797de3c357dc205a582529e70cc151f5da7942d7107601ed7634e","first_computed_at":"2026-06-19T16:13:01.194354Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:13:01.194354Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y9EOFWrfjSN72ogYqoofnECOy5vKWWZrvLeueX6aZwQe5lckI3IDlk9qFUs3E5VWuFuGhAyo5feyNv4IxcdBDw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:13:01.194704Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.20032","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:daf84813171ad990a47600f20c7848b7760f3ad1fc8c067d708559be25f70f61","sha256:c97f6ff3af5337f43946b040bb8adabd74f22b407bbdc4073c651d2275d6ed6f"],"state_sha256":"d2dd5a05f2aa74d7cfd253e3c0521aca389af1239d7f66232ea2a6b5a1a7c5ba"}