{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:HWYVN27DKH7OQYYSOHD3GCYUSM","short_pith_number":"pith:HWYVN27D","canonical_record":{"source":{"id":"2308.05338","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2023-08-10T04:59:58Z","cross_cats_sorted":[],"title_canon_sha256":"4fef9f388964f27ebc46ced48509d1a12bfa6fb6b2f1cc959245532e7b12171c","abstract_canon_sha256":"962b5ccd686237da73f30ee4ad74612f561de658a928877c694e7c7a3ad73651"},"schema_version":"1.0"},"canonical_sha256":"3db156ebe351fee8631271c7b30b14930ab779899052d830ab2325b04c044e13","source":{"kind":"arxiv","id":"2308.05338","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.05338","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"arxiv_version","alias_value":"2308.05338v1","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.05338","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"pith_short_12","alias_value":"HWYVN27DKH7O","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"pith_short_16","alias_value":"HWYVN27DKH7OQYYS","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"pith_short_8","alias_value":"HWYVN27D","created_at":"2026-07-05T06:39:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:HWYVN27DKH7OQYYSOHD3GCYUSM","target":"record","payload":{"canonical_record":{"source":{"id":"2308.05338","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2023-08-10T04:59:58Z","cross_cats_sorted":[],"title_canon_sha256":"4fef9f388964f27ebc46ced48509d1a12bfa6fb6b2f1cc959245532e7b12171c","abstract_canon_sha256":"962b5ccd686237da73f30ee4ad74612f561de658a928877c694e7c7a3ad73651"},"schema_version":"1.0"},"canonical_sha256":"3db156ebe351fee8631271c7b30b14930ab779899052d830ab2325b04c044e13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:39:59.112247Z","signature_b64":"xLUx1turL7HEANSmHvQ+/dd78daBGT0zGO0oUvnRvBgX7Jr0/I7Ptye8a6ACw36dLnLjh+RUk2LMdG0Gg3ihBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3db156ebe351fee8631271c7b30b14930ab779899052d830ab2325b04c044e13","last_reissued_at":"2026-07-05T06:39:59.111859Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:39:59.111859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2308.05338","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":"2026-07-05T06:39:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xr1qyJLzyAv1RoPvaQybZxHo+HNOmAmBe8S1SGV486P9NRgKoobvL7+V+XhY8f+6i0UtK5kj3L249wen0+MuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T14:59:03.883041Z"},"content_sha256":"7d36de82d4560be134c16d39afec51f4fb200fda9ea4d890beaa60626e3a8f2e","schema_version":"1.0","event_id":"sha256:7d36de82d4560be134c16d39afec51f4fb200fda9ea4d890beaa60626e3a8f2e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:HWYVN27DKH7OQYYSOHD3GCYUSM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MDVSC -- Wireless Model Division Video Semantic Communication","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CE","authors_text":"Chen Dong, Cong Li, Haotai Liang, Ping Zhang, Xiaodong Xu, Zhicheng Bao","submitted_at":"2023-08-10T04:59:58Z","abstract_excerpt":"This paper introduces a novel method for transmitting video data over noisy wireless channels with high efficiency and controllability. The method derivates from model division multiple access (MDMA) to extract common semantic features from video frames. It also uses deep joint source-channel coding (JSCC) as the main framework to establish communication links and deal with channel noise. An entropy-based variable length coding scheme is developed to adjust the data amount accurately and explicitly. We name our method as model division video semantic communication (MDVSC). The main steps of ou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.05338","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/2308.05338/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":"2026-07-05T06:39:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9Kj5RVlZmuu69MMA/3UUvNdDzrsTmmBxDnzB+oyyfLRk+dWhGbiq7TELOqk4l9xHkONOiTAlqPavqJ9IQEaWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T14:59:03.883413Z"},"content_sha256":"636d1d59c5e98bbcaf255eca20cb13c9c59098962b991de7d4fad7593179d4fc","schema_version":"1.0","event_id":"sha256:636d1d59c5e98bbcaf255eca20cb13c9c59098962b991de7d4fad7593179d4fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HWYVN27DKH7OQYYSOHD3GCYUSM/bundle.json","state_url":"https://pith.science/pith/HWYVN27DKH7OQYYSOHD3GCYUSM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HWYVN27DKH7OQYYSOHD3GCYUSM/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":"2026-08-18T14:59:03Z","links":{"resolver":"https://pith.science/pith/HWYVN27DKH7OQYYSOHD3GCYUSM","bundle":"https://pith.science/pith/HWYVN27DKH7OQYYSOHD3GCYUSM/bundle.json","state":"https://pith.science/pith/HWYVN27DKH7OQYYSOHD3GCYUSM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HWYVN27DKH7OQYYSOHD3GCYUSM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:HWYVN27DKH7OQYYSOHD3GCYUSM","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":"962b5ccd686237da73f30ee4ad74612f561de658a928877c694e7c7a3ad73651","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2023-08-10T04:59:58Z","title_canon_sha256":"4fef9f388964f27ebc46ced48509d1a12bfa6fb6b2f1cc959245532e7b12171c"},"schema_version":"1.0","source":{"id":"2308.05338","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2308.05338","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"arxiv_version","alias_value":"2308.05338v1","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.05338","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"pith_short_12","alias_value":"HWYVN27DKH7O","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"pith_short_16","alias_value":"HWYVN27DKH7OQYYS","created_at":"2026-07-05T06:39:59Z"},{"alias_kind":"pith_short_8","alias_value":"HWYVN27D","created_at":"2026-07-05T06:39:59Z"}],"graph_snapshots":[{"event_id":"sha256:636d1d59c5e98bbcaf255eca20cb13c9c59098962b991de7d4fad7593179d4fc","target":"graph","created_at":"2026-07-05T06:39:59Z","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/2308.05338/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper introduces a novel method for transmitting video data over noisy wireless channels with high efficiency and controllability. The method derivates from model division multiple access (MDMA) to extract common semantic features from video frames. It also uses deep joint source-channel coding (JSCC) as the main framework to establish communication links and deal with channel noise. An entropy-based variable length coding scheme is developed to adjust the data amount accurately and explicitly. We name our method as model division video semantic communication (MDVSC). The main steps of ou","authors_text":"Chen Dong, Cong Li, Haotai Liang, Ping Zhang, Xiaodong Xu, Zhicheng Bao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2023-08-10T04:59:58Z","title":"MDVSC -- Wireless Model Division Video Semantic Communication"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.05338","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":"sha256:7d36de82d4560be134c16d39afec51f4fb200fda9ea4d890beaa60626e3a8f2e","target":"record","created_at":"2026-07-05T06:39:59Z","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":"962b5ccd686237da73f30ee4ad74612f561de658a928877c694e7c7a3ad73651","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CE","submitted_at":"2023-08-10T04:59:58Z","title_canon_sha256":"4fef9f388964f27ebc46ced48509d1a12bfa6fb6b2f1cc959245532e7b12171c"},"schema_version":"1.0","source":{"id":"2308.05338","kind":"arxiv","version":1}},"canonical_sha256":"3db156ebe351fee8631271c7b30b14930ab779899052d830ab2325b04c044e13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3db156ebe351fee8631271c7b30b14930ab779899052d830ab2325b04c044e13","first_computed_at":"2026-07-05T06:39:59.111859Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:39:59.111859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xLUx1turL7HEANSmHvQ+/dd78daBGT0zGO0oUvnRvBgX7Jr0/I7Ptye8a6ACw36dLnLjh+RUk2LMdG0Gg3ihBw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:39:59.112247Z","signed_message":"canonical_sha256_bytes"},"source_id":"2308.05338","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d36de82d4560be134c16d39afec51f4fb200fda9ea4d890beaa60626e3a8f2e","sha256:636d1d59c5e98bbcaf255eca20cb13c9c59098962b991de7d4fad7593179d4fc"],"state_sha256":"8a228a039fc056a0d9da4e9b06d355efe4f1c8ede0328257b8c5786aa45263f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rNQdd9NDP5ihx6LcpwAQ2ZGXpvyg6LBuKBZHq2lo4PbrJTxr77PI/AL7T+rQpN3tFYmKL+i93b6yhLHl/pcFAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T14:59:03.885791Z","bundle_sha256":"fa5d44c3d1ad551a7a75c3e35a8f7b40830b4cf12e4d36196c22f132fe2aace3"}}