{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:EY7IDL3NB4BW4XS2KB4H74KZ5D","short_pith_number":"pith:EY7IDL3N","canonical_record":{"source":{"id":"2503.17777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-03-22T14:02:52Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"f1a8ff79567c95836b81cb12cdc32ad8988105d738709f42484331c08d52af86","abstract_canon_sha256":"444ad6c547bb522a3bb895c870de61ee7fe878a3fe7be76c346269f026662e45"},"schema_version":"1.0"},"canonical_sha256":"263e81af6d0f036e5e5a50787ff159e8dc18da0210ea459326b9f2b455341c56","source":{"kind":"arxiv","id":"2503.17777","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.17777","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"arxiv_version","alias_value":"2503.17777v1","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.17777","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"pith_short_12","alias_value":"EY7IDL3NB4BW","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"pith_short_16","alias_value":"EY7IDL3NB4BW4XS2","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"pith_short_8","alias_value":"EY7IDL3N","created_at":"2026-07-05T10:37:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:EY7IDL3NB4BW4XS2KB4H74KZ5D","target":"record","payload":{"canonical_record":{"source":{"id":"2503.17777","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-03-22T14:02:52Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"f1a8ff79567c95836b81cb12cdc32ad8988105d738709f42484331c08d52af86","abstract_canon_sha256":"444ad6c547bb522a3bb895c870de61ee7fe878a3fe7be76c346269f026662e45"},"schema_version":"1.0"},"canonical_sha256":"263e81af6d0f036e5e5a50787ff159e8dc18da0210ea459326b9f2b455341c56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:37:54.686522Z","signature_b64":"YeA4r/3HctmIAhgAgO2g9yM2BrWMCgm5P5w6BoW8YUQFW7Zm1yuv9GQ89miw5IRLXiAwzC8NI+1QvXC+fTwHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"263e81af6d0f036e5e5a50787ff159e8dc18da0210ea459326b9f2b455341c56","last_reissued_at":"2026-07-05T10:37:54.685896Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:37:54.685896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.17777","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":"2026-07-05T10:37:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sf+3Lg9l2RttiKgsMZlH99BxYrl6rcs03HjF9kYBGXRtbHdwlWpFUFR2PLeJ9186DJ8jRux/wP/N1y04i4mSCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:06:50.088093Z"},"content_sha256":"81325cf9325326571f6c4ce573a89b079bc73aca02d5d2a3ac6939870e4f28ab","schema_version":"1.0","event_id":"sha256:81325cf9325326571f6c4ce573a89b079bc73aca02d5d2a3ac6939870e4f28ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:EY7IDL3NB4BW4XS2KB4H74KZ5D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hierarchy-Aware and Channel-Adaptive Semantic Communication for Bandwidth-Limited Data Fusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"eess.IV","authors_text":"Bo Ai, Lei Guo, Nikolaos Pappas, Tony Quek, Wei Chen, Yuxuan Sun","submitted_at":"2025-03-22T14:02:52Z","abstract_excerpt":"Obtaining high-resolution hyperspectral images (HR-HSI) is costly and data-intensive, making it necessary to fuse low-resolution hyperspectral images (LR-HSI) with high-resolution RGB images (HR-RGB) for practical applications. However, traditional fusion techniques, which integrate detailed information into the reconstruction, significantly increase bandwidth consumption compared to directly transmitting raw data. To overcome these challenges, we propose a hierarchy-aware and channel-adaptive semantic communication approach for bandwidth-limited data fusion. A hierarchical correlation module "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.17777","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/2503.17777/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":"2026-07-05T10:37:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aNfNB9u+i4bdG9RwIrEHPF9BSJzrXkYBSfgQG6QV2gqXyQpcJVSOlwbjC+XvU3HFIC91K7rhcf8I0B3aA41rBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:06:50.088487Z"},"content_sha256":"0c8c2110be207d148697aa8adb648b15bbbd2ee44b40523bc1845c85f4165b60","schema_version":"1.0","event_id":"sha256:0c8c2110be207d148697aa8adb648b15bbbd2ee44b40523bc1845c85f4165b60"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EY7IDL3NB4BW4XS2KB4H74KZ5D/bundle.json","state_url":"https://pith.science/pith/EY7IDL3NB4BW4XS2KB4H74KZ5D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EY7IDL3NB4BW4XS2KB4H74KZ5D/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":"2026-07-06T15:06:50Z","links":{"resolver":"https://pith.science/pith/EY7IDL3NB4BW4XS2KB4H74KZ5D","bundle":"https://pith.science/pith/EY7IDL3NB4BW4XS2KB4H74KZ5D/bundle.json","state":"https://pith.science/pith/EY7IDL3NB4BW4XS2KB4H74KZ5D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EY7IDL3NB4BW4XS2KB4H74KZ5D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:EY7IDL3NB4BW4XS2KB4H74KZ5D","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":"444ad6c547bb522a3bb895c870de61ee7fe878a3fe7be76c346269f026662e45","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-03-22T14:02:52Z","title_canon_sha256":"f1a8ff79567c95836b81cb12cdc32ad8988105d738709f42484331c08d52af86"},"schema_version":"1.0","source":{"id":"2503.17777","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.17777","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"arxiv_version","alias_value":"2503.17777v1","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.17777","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"pith_short_12","alias_value":"EY7IDL3NB4BW","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"pith_short_16","alias_value":"EY7IDL3NB4BW4XS2","created_at":"2026-07-05T10:37:54Z"},{"alias_kind":"pith_short_8","alias_value":"EY7IDL3N","created_at":"2026-07-05T10:37:54Z"}],"graph_snapshots":[{"event_id":"sha256:0c8c2110be207d148697aa8adb648b15bbbd2ee44b40523bc1845c85f4165b60","target":"graph","created_at":"2026-07-05T10:37:54Z","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/2503.17777/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Obtaining high-resolution hyperspectral images (HR-HSI) is costly and data-intensive, making it necessary to fuse low-resolution hyperspectral images (LR-HSI) with high-resolution RGB images (HR-RGB) for practical applications. However, traditional fusion techniques, which integrate detailed information into the reconstruction, significantly increase bandwidth consumption compared to directly transmitting raw data. To overcome these challenges, we propose a hierarchy-aware and channel-adaptive semantic communication approach for bandwidth-limited data fusion. A hierarchical correlation module ","authors_text":"Bo Ai, Lei Guo, Nikolaos Pappas, Tony Quek, Wei Chen, Yuxuan Sun","cross_cats":["cs.CV"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-03-22T14:02:52Z","title":"Hierarchy-Aware and Channel-Adaptive Semantic Communication for Bandwidth-Limited Data Fusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.17777","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":"sha256:81325cf9325326571f6c4ce573a89b079bc73aca02d5d2a3ac6939870e4f28ab","target":"record","created_at":"2026-07-05T10:37:54Z","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":"444ad6c547bb522a3bb895c870de61ee7fe878a3fe7be76c346269f026662e45","cross_cats_sorted":["cs.CV"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.IV","submitted_at":"2025-03-22T14:02:52Z","title_canon_sha256":"f1a8ff79567c95836b81cb12cdc32ad8988105d738709f42484331c08d52af86"},"schema_version":"1.0","source":{"id":"2503.17777","kind":"arxiv","version":1}},"canonical_sha256":"263e81af6d0f036e5e5a50787ff159e8dc18da0210ea459326b9f2b455341c56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"263e81af6d0f036e5e5a50787ff159e8dc18da0210ea459326b9f2b455341c56","first_computed_at":"2026-07-05T10:37:54.685896Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:37:54.685896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YeA4r/3HctmIAhgAgO2g9yM2BrWMCgm5P5w6BoW8YUQFW7Zm1yuv9GQ89miw5IRLXiAwzC8NI+1QvXC+fTwHDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:37:54.686522Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.17777","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81325cf9325326571f6c4ce573a89b079bc73aca02d5d2a3ac6939870e4f28ab","sha256:0c8c2110be207d148697aa8adb648b15bbbd2ee44b40523bc1845c85f4165b60"],"state_sha256":"1744ebdbedb8e84a2b997cbe226f5d54d7935a7597711758ef2c68dc2fd217f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bx/LItkjzropq+ZW4FIiOFw/PybNUot8Wxzex4JArwsyHE7UeNpwNx4xvDKCMNHFiAoUTvTBIe0buYJxbmEpAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T15:06:50.090364Z","bundle_sha256":"0cecebf3ef3686d0fe3e14a6f7ac287b55fd0cf2148571c13598700de9058363"}}