{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3AZYHU75KRGCJDP724JQ6BLJ25","short_pith_number":"pith:3AZYHU75","canonical_record":{"source":{"id":"2408.12616","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-08T16:46:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"7c266eaaf351db8c4f980c85ac6342dbc327a9cdd2e2e73a1035c00c498d32bd","abstract_canon_sha256":"846a9edd0d1536861f100069e62eb7a881490d8dae8213fa4f3ab1b9a8756511"},"schema_version":"1.0"},"canonical_sha256":"d83383d3fd544c248dffd7130f0569d745f58214e160861965e07e8f48981563","source":{"kind":"arxiv","id":"2408.12616","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.12616","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"arxiv_version","alias_value":"2408.12616v2","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.12616","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"pith_short_12","alias_value":"3AZYHU75KRGC","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"pith_short_16","alias_value":"3AZYHU75KRGCJDP7","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"pith_short_8","alias_value":"3AZYHU75","created_at":"2026-07-05T08:59:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3AZYHU75KRGCJDP724JQ6BLJ25","target":"record","payload":{"canonical_record":{"source":{"id":"2408.12616","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-08T16:46:14Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"7c266eaaf351db8c4f980c85ac6342dbc327a9cdd2e2e73a1035c00c498d32bd","abstract_canon_sha256":"846a9edd0d1536861f100069e62eb7a881490d8dae8213fa4f3ab1b9a8756511"},"schema_version":"1.0"},"canonical_sha256":"d83383d3fd544c248dffd7130f0569d745f58214e160861965e07e8f48981563","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:59:12.471094Z","signature_b64":"LqfHvKB3K3LEP8on/9uzVRm45HBk1rPoPQmc9gJrrhMUOoqJC4kAgzOJ14BPhXqalu6c8cCUGLUNbL88mQWfCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d83383d3fd544c248dffd7130f0569d745f58214e160861965e07e8f48981563","last_reissued_at":"2026-07-05T08:59:12.470645Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:59:12.470645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.12616","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":"2026-07-05T08:59:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hYZYRhaTlOjZd33EDJy6+jv719Z99t02FkmJoHEjhlHAjWYmaLntPNzqZ94+KK0HIgBzpSz5/TzFg7kp4VhtAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:59:54.661955Z"},"content_sha256":"0ddb66215d7413878371a434df2aea688706ec62c283383fa2490ef3db529429","schema_version":"1.0","event_id":"sha256:0ddb66215d7413878371a434df2aea688706ec62c283383fa2490ef3db529429"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3AZYHU75KRGCJDP724JQ6BLJ25","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Semantic Communication based on Large Language Model for Underwater Image Transmission","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CV","authors_text":"Haoran Chen, Weilong Chen, Wenxuan Xu, Xinran Zhang, Yanru Zhang, Zhijin Qin, Zhu Han","submitted_at":"2024-08-08T16:46:14Z","abstract_excerpt":"Underwater communication is essential for environmental monitoring, marine biology research, and underwater exploration. Traditional underwater communication faces limitations like low bandwidth, high latency, and susceptibility to noise, while semantic communication (SC) offers a promising solution by focusing on the exchange of semantics rather than symbols or bits. However, SC encounters challenges in underwater environments, including semantic information mismatch and difficulties in accurately identifying and transmitting critical information that aligns with the diverse requirements of u"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.12616","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/2408.12616/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":"2026-07-05T08:59:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j1HX6dmOHASfKijZZiJuKWnlYNiSZid5+kJs8GOc32dLAHjNU10uq/kNRw94BjPlj8BG7ENMQM+FXlIcnhAdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:59:54.662972Z"},"content_sha256":"e1a1f022cf2a9c075ddd6085cd9e4960601ba1d4f8a078b23d8fca2f1f5c428f","schema_version":"1.0","event_id":"sha256:e1a1f022cf2a9c075ddd6085cd9e4960601ba1d4f8a078b23d8fca2f1f5c428f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3AZYHU75KRGCJDP724JQ6BLJ25/bundle.json","state_url":"https://pith.science/pith/3AZYHU75KRGCJDP724JQ6BLJ25/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3AZYHU75KRGCJDP724JQ6BLJ25/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":"2026-08-11T01:59:54Z","links":{"resolver":"https://pith.science/pith/3AZYHU75KRGCJDP724JQ6BLJ25","bundle":"https://pith.science/pith/3AZYHU75KRGCJDP724JQ6BLJ25/bundle.json","state":"https://pith.science/pith/3AZYHU75KRGCJDP724JQ6BLJ25/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3AZYHU75KRGCJDP724JQ6BLJ25/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3AZYHU75KRGCJDP724JQ6BLJ25","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":"846a9edd0d1536861f100069e62eb7a881490d8dae8213fa4f3ab1b9a8756511","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-08T16:46:14Z","title_canon_sha256":"7c266eaaf351db8c4f980c85ac6342dbc327a9cdd2e2e73a1035c00c498d32bd"},"schema_version":"1.0","source":{"id":"2408.12616","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.12616","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"arxiv_version","alias_value":"2408.12616v2","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.12616","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"pith_short_12","alias_value":"3AZYHU75KRGC","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"pith_short_16","alias_value":"3AZYHU75KRGCJDP7","created_at":"2026-07-05T08:59:12Z"},{"alias_kind":"pith_short_8","alias_value":"3AZYHU75","created_at":"2026-07-05T08:59:12Z"}],"graph_snapshots":[{"event_id":"sha256:e1a1f022cf2a9c075ddd6085cd9e4960601ba1d4f8a078b23d8fca2f1f5c428f","target":"graph","created_at":"2026-07-05T08:59:12Z","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/2408.12616/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Underwater communication is essential for environmental monitoring, marine biology research, and underwater exploration. Traditional underwater communication faces limitations like low bandwidth, high latency, and susceptibility to noise, while semantic communication (SC) offers a promising solution by focusing on the exchange of semantics rather than symbols or bits. However, SC encounters challenges in underwater environments, including semantic information mismatch and difficulties in accurately identifying and transmitting critical information that aligns with the diverse requirements of u","authors_text":"Haoran Chen, Weilong Chen, Wenxuan Xu, Xinran Zhang, Yanru Zhang, Zhijin Qin, Zhu Han","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-08T16:46:14Z","title":"Semantic Communication based on Large Language Model for Underwater Image Transmission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.12616","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":"sha256:0ddb66215d7413878371a434df2aea688706ec62c283383fa2490ef3db529429","target":"record","created_at":"2026-07-05T08:59:12Z","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":"846a9edd0d1536861f100069e62eb7a881490d8dae8213fa4f3ab1b9a8756511","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-08-08T16:46:14Z","title_canon_sha256":"7c266eaaf351db8c4f980c85ac6342dbc327a9cdd2e2e73a1035c00c498d32bd"},"schema_version":"1.0","source":{"id":"2408.12616","kind":"arxiv","version":2}},"canonical_sha256":"d83383d3fd544c248dffd7130f0569d745f58214e160861965e07e8f48981563","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d83383d3fd544c248dffd7130f0569d745f58214e160861965e07e8f48981563","first_computed_at":"2026-07-05T08:59:12.470645Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:59:12.470645Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LqfHvKB3K3LEP8on/9uzVRm45HBk1rPoPQmc9gJrrhMUOoqJC4kAgzOJ14BPhXqalu6c8cCUGLUNbL88mQWfCA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:59:12.471094Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.12616","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ddb66215d7413878371a434df2aea688706ec62c283383fa2490ef3db529429","sha256:e1a1f022cf2a9c075ddd6085cd9e4960601ba1d4f8a078b23d8fca2f1f5c428f"],"state_sha256":"a369952e511919d1c7902e915542f0d1fcd6faff31b2775749da6177604b819b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6cmSLU60gCOoyJNNxMg1Vdbjgt5/z74ayDYTcdXU5jH+UNrIxYnPFGOzUUhFNQD2xubZoPBeXMSyn4BRWLSuDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T01:59:54.670693Z","bundle_sha256":"9e2d97f61bcdd0420fe4d6b812915699aa86df9ec85c998be36e4a43ec905dcb"}}