{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:MCMVY54G4QOWI67IOPBQQSZNH2","short_pith_number":"pith:MCMVY54G","canonical_record":{"source":{"id":"2505.15401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T11:42:47Z","cross_cats_sorted":[],"title_canon_sha256":"55bbd79bc80e0350c2d627f23421f3e0d78b0954875cd9bd303393f17e667cf6","abstract_canon_sha256":"26577ad5cb417d3bfc8906cf1e6b173eab770075a4533090e5211738d49647d6"},"schema_version":"1.0"},"canonical_sha256":"60995c7786e41d647be873c3084b2d3e80851275dc643fa4dfd66986cad2939a","source":{"kind":"arxiv","id":"2505.15401","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.15401","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"arxiv_version","alias_value":"2505.15401v1","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.15401","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"pith_short_12","alias_value":"MCMVY54G4QOW","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"pith_short_16","alias_value":"MCMVY54G4QOWI67I","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"pith_short_8","alias_value":"MCMVY54G","created_at":"2026-07-05T11:06:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:MCMVY54G4QOWI67IOPBQQSZNH2","target":"record","payload":{"canonical_record":{"source":{"id":"2505.15401","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T11:42:47Z","cross_cats_sorted":[],"title_canon_sha256":"55bbd79bc80e0350c2d627f23421f3e0d78b0954875cd9bd303393f17e667cf6","abstract_canon_sha256":"26577ad5cb417d3bfc8906cf1e6b173eab770075a4533090e5211738d49647d6"},"schema_version":"1.0"},"canonical_sha256":"60995c7786e41d647be873c3084b2d3e80851275dc643fa4dfd66986cad2939a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:06:44.901849Z","signature_b64":"CVmqffwAV1uILHqzriZcunlGe+7wg7hHuhTVLzVmyfvybcik8nvyZ3G/jxAp5vP9dMN9XlV/xxjlE7nZLhpbCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60995c7786e41d647be873c3084b2d3e80851275dc643fa4dfd66986cad2939a","last_reissued_at":"2026-07-05T11:06:44.901394Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:06:44.901394Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.15401","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:06:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+xWneYthvrrGqUnRa1hjLW41RCkVk+2Y2qPtf8miRfQCAxVgTna5xywwqbKKH9GJhzXmmJEnKDxhdrXUDJ8tDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T00:02:59.342510Z"},"content_sha256":"626378424e320ec676d1022a97b41cff0305e9866f3467c378b5a1b13d69af24","schema_version":"1.0","event_id":"sha256:626378424e320ec676d1022a97b41cff0305e9866f3467c378b5a1b13d69af24"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:MCMVY54G4QOWI67IOPBQQSZNH2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Visual Question Answering on Multiple Remote Sensing Image Modalities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Camille Kurtz, Flora Weissgerber, Hichem Boussaid, Laurent Wendling, Lucrezia Tosato, Sylvain Lobry","submitted_at":"2025-05-21T11:42:47Z","abstract_excerpt":"The extraction of visual features is an essential step in Visual Question Answering (VQA). Building a good visual representation of the analyzed scene is indeed one of the essential keys for the system to be able to correctly understand the latter in order to answer complex questions. In many fields such as remote sensing, the visual feature extraction step could benefit significantly from leveraging different image modalities carrying complementary spectral, spatial and contextual information. In this work, we propose to add multiple image modalities to VQA in the particular context of remote"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.15401","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/2505.15401/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":"2026-07-05T11:06:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l1P+ROuqswWNrGDVdD9yIsx29bVe+8aK4XccncOlATXp/pmljqysDm59xTd4DfaYf/KjFGX/6KyzWWetR/uXBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T00:02:59.346435Z"},"content_sha256":"1e8427d89c0faf4705b7b17276ac0c112873c12c6bd9e957f61ceb366cf47165","schema_version":"1.0","event_id":"sha256:1e8427d89c0faf4705b7b17276ac0c112873c12c6bd9e957f61ceb366cf47165"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MCMVY54G4QOWI67IOPBQQSZNH2/bundle.json","state_url":"https://pith.science/pith/MCMVY54G4QOWI67IOPBQQSZNH2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MCMVY54G4QOWI67IOPBQQSZNH2/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":"2026-08-15T00:02:59Z","links":{"resolver":"https://pith.science/pith/MCMVY54G4QOWI67IOPBQQSZNH2","bundle":"https://pith.science/pith/MCMVY54G4QOWI67IOPBQQSZNH2/bundle.json","state":"https://pith.science/pith/MCMVY54G4QOWI67IOPBQQSZNH2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MCMVY54G4QOWI67IOPBQQSZNH2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MCMVY54G4QOWI67IOPBQQSZNH2","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":"26577ad5cb417d3bfc8906cf1e6b173eab770075a4533090e5211738d49647d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T11:42:47Z","title_canon_sha256":"55bbd79bc80e0350c2d627f23421f3e0d78b0954875cd9bd303393f17e667cf6"},"schema_version":"1.0","source":{"id":"2505.15401","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.15401","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"arxiv_version","alias_value":"2505.15401v1","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.15401","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"pith_short_12","alias_value":"MCMVY54G4QOW","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"pith_short_16","alias_value":"MCMVY54G4QOWI67I","created_at":"2026-07-05T11:06:44Z"},{"alias_kind":"pith_short_8","alias_value":"MCMVY54G","created_at":"2026-07-05T11:06:44Z"}],"graph_snapshots":[{"event_id":"sha256:1e8427d89c0faf4705b7b17276ac0c112873c12c6bd9e957f61ceb366cf47165","target":"graph","created_at":"2026-07-05T11:06:44Z","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/2505.15401/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The extraction of visual features is an essential step in Visual Question Answering (VQA). Building a good visual representation of the analyzed scene is indeed one of the essential keys for the system to be able to correctly understand the latter in order to answer complex questions. In many fields such as remote sensing, the visual feature extraction step could benefit significantly from leveraging different image modalities carrying complementary spectral, spatial and contextual information. In this work, we propose to add multiple image modalities to VQA in the particular context of remote","authors_text":"Camille Kurtz, Flora Weissgerber, Hichem Boussaid, Laurent Wendling, Lucrezia Tosato, Sylvain Lobry","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T11:42:47Z","title":"Visual Question Answering on Multiple Remote Sensing Image Modalities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.15401","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":"sha256:626378424e320ec676d1022a97b41cff0305e9866f3467c378b5a1b13d69af24","target":"record","created_at":"2026-07-05T11:06:44Z","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":"26577ad5cb417d3bfc8906cf1e6b173eab770075a4533090e5211738d49647d6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T11:42:47Z","title_canon_sha256":"55bbd79bc80e0350c2d627f23421f3e0d78b0954875cd9bd303393f17e667cf6"},"schema_version":"1.0","source":{"id":"2505.15401","kind":"arxiv","version":1}},"canonical_sha256":"60995c7786e41d647be873c3084b2d3e80851275dc643fa4dfd66986cad2939a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"60995c7786e41d647be873c3084b2d3e80851275dc643fa4dfd66986cad2939a","first_computed_at":"2026-07-05T11:06:44.901394Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:06:44.901394Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CVmqffwAV1uILHqzriZcunlGe+7wg7hHuhTVLzVmyfvybcik8nvyZ3G/jxAp5vP9dMN9XlV/xxjlE7nZLhpbCw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:06:44.901849Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.15401","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:626378424e320ec676d1022a97b41cff0305e9866f3467c378b5a1b13d69af24","sha256:1e8427d89c0faf4705b7b17276ac0c112873c12c6bd9e957f61ceb366cf47165"],"state_sha256":"e35b90bccfe991d169182d01712ff80f0d6c9278cd4c604c0630dfbecb166a70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bAgcyaMFrrKeoROzU7tRfBpSAvNjvMaaxLnM4lgJ2PHz2tp98/FN/ZYmDAW0WZGF5HGl0eTPiWGxEbOd0CvsAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T00:02:59.357803Z","bundle_sha256":"663e125da3003c92fb262e5437f7c9cd720211210774763c0345ecb43627577a"}}