{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:P7XRNOTI7LPMTS2HDRNOEK3GAK","short_pith_number":"pith:P7XRNOTI","canonical_record":{"source":{"id":"2405.05254","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2024-05-08T17:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"e26870ea5df6731c82262de2fd2b70347e6119a6d245abfb23dd2f348d9fa0db","abstract_canon_sha256":"16e4894b5fa6c23d4da5d85127bd1c7bbe8ea6ec286661b94a13c51c6509c273"},"schema_version":"1.0"},"canonical_sha256":"7fef16ba68fadec9cb471c5ae22b6602ae8d582538f1eb11b5b640c1e3afff7d","source":{"kind":"arxiv","id":"2405.05254","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.05254","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"arxiv_version","alias_value":"2405.05254v2","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.05254","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"pith_short_12","alias_value":"P7XRNOTI7LPM","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"pith_short_16","alias_value":"P7XRNOTI7LPMTS2H","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"pith_short_8","alias_value":"P7XRNOTI","created_at":"2026-07-05T08:17:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:P7XRNOTI7LPMTS2HDRNOEK3GAK","target":"record","payload":{"canonical_record":{"source":{"id":"2405.05254","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2024-05-08T17:57:39Z","cross_cats_sorted":[],"title_canon_sha256":"e26870ea5df6731c82262de2fd2b70347e6119a6d245abfb23dd2f348d9fa0db","abstract_canon_sha256":"16e4894b5fa6c23d4da5d85127bd1c7bbe8ea6ec286661b94a13c51c6509c273"},"schema_version":"1.0"},"canonical_sha256":"7fef16ba68fadec9cb471c5ae22b6602ae8d582538f1eb11b5b640c1e3afff7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:17:15.784698Z","signature_b64":"FTxt4Ut5XgBjsW4UiLLi9qghK8NvC4dhUNTmG5Bz5Z0E2q+614XmCyKs3Xmy59t4ZaHNFxAUAs3v56Xc+7RkDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7fef16ba68fadec9cb471c5ae22b6602ae8d582538f1eb11b5b640c1e3afff7d","last_reissued_at":"2026-07-05T08:17:15.784134Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:17:15.784134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.05254","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":"2026-07-05T08:17:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1JptPBuhIQD3Fbbk0R1qEz/QBe3OMp+GdvguMW/vAPz5Pr7mNN5+Dd9JKsiRCk6udHj+QRpcwhvTxCq6H49RBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T03:27:43.319760Z"},"content_sha256":"5e48a69b7dfd652fdb81da160b2eae78cb92e1fa312bbf1e499764ab0fbc77e0","schema_version":"1.0","event_id":"sha256:5e48a69b7dfd652fdb81da160b2eae78cb92e1fa312bbf1e499764ab0fbc77e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:P7XRNOTI7LPMTS2HDRNOEK3GAK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"You Only Cache Once: Decoder-Decoder Architectures for Language Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Furu Wei, Jianyong Wang, Li Dong, Quanlu Zhang, Shaohan Huang, Shuming Ma, Wenhui Wang, Yi Zhu, Yutao Sun","submitted_at":"2024-05-08T17:57:39Z","abstract_excerpt":"We introduce a decoder-decoder architecture, YOCO, for large language models, which only caches key-value pairs once. It consists of two components, i.e., a cross-decoder stacked upon a self-decoder. The self-decoder efficiently encodes global key-value (KV) caches that are reused by the cross-decoder via cross-attention. The overall model behaves like a decoder-only Transformer, although YOCO only caches once. The design substantially reduces GPU memory demands, yet retains global attention capability. Additionally, the computation flow enables prefilling to early exit without changing the fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.05254","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/2405.05254/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":"2026-07-05T08:17:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xpwH1YmeyeKra9jJ7ycPX6yora3nGZatqJGr0gahHhfFtXbAscvk0utnzVWu5UARbJ+a7zrVQzxzYzoibAXYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-13T03:27:43.320150Z"},"content_sha256":"2f6de0eb36185182768df46da08bf7d53bdb76ed83cca1f40daa709575e259cf","schema_version":"1.0","event_id":"sha256:2f6de0eb36185182768df46da08bf7d53bdb76ed83cca1f40daa709575e259cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P7XRNOTI7LPMTS2HDRNOEK3GAK/bundle.json","state_url":"https://pith.science/pith/P7XRNOTI7LPMTS2HDRNOEK3GAK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P7XRNOTI7LPMTS2HDRNOEK3GAK/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":"2026-07-13T03:27:43Z","links":{"resolver":"https://pith.science/pith/P7XRNOTI7LPMTS2HDRNOEK3GAK","bundle":"https://pith.science/pith/P7XRNOTI7LPMTS2HDRNOEK3GAK/bundle.json","state":"https://pith.science/pith/P7XRNOTI7LPMTS2HDRNOEK3GAK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P7XRNOTI7LPMTS2HDRNOEK3GAK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:P7XRNOTI7LPMTS2HDRNOEK3GAK","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":"16e4894b5fa6c23d4da5d85127bd1c7bbe8ea6ec286661b94a13c51c6509c273","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2024-05-08T17:57:39Z","title_canon_sha256":"e26870ea5df6731c82262de2fd2b70347e6119a6d245abfb23dd2f348d9fa0db"},"schema_version":"1.0","source":{"id":"2405.05254","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.05254","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"arxiv_version","alias_value":"2405.05254v2","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.05254","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"pith_short_12","alias_value":"P7XRNOTI7LPM","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"pith_short_16","alias_value":"P7XRNOTI7LPMTS2H","created_at":"2026-07-05T08:17:15Z"},{"alias_kind":"pith_short_8","alias_value":"P7XRNOTI","created_at":"2026-07-05T08:17:15Z"}],"graph_snapshots":[{"event_id":"sha256:2f6de0eb36185182768df46da08bf7d53bdb76ed83cca1f40daa709575e259cf","target":"graph","created_at":"2026-07-05T08:17:15Z","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/2405.05254/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We introduce a decoder-decoder architecture, YOCO, for large language models, which only caches key-value pairs once. It consists of two components, i.e., a cross-decoder stacked upon a self-decoder. The self-decoder efficiently encodes global key-value (KV) caches that are reused by the cross-decoder via cross-attention. The overall model behaves like a decoder-only Transformer, although YOCO only caches once. The design substantially reduces GPU memory demands, yet retains global attention capability. Additionally, the computation flow enables prefilling to early exit without changing the fi","authors_text":"Furu Wei, Jianyong Wang, Li Dong, Quanlu Zhang, Shaohan Huang, Shuming Ma, Wenhui Wang, Yi Zhu, Yutao Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2024-05-08T17:57:39Z","title":"You Only Cache Once: Decoder-Decoder Architectures for Language Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.05254","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":"sha256:5e48a69b7dfd652fdb81da160b2eae78cb92e1fa312bbf1e499764ab0fbc77e0","target":"record","created_at":"2026-07-05T08:17:15Z","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":"16e4894b5fa6c23d4da5d85127bd1c7bbe8ea6ec286661b94a13c51c6509c273","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2024-05-08T17:57:39Z","title_canon_sha256":"e26870ea5df6731c82262de2fd2b70347e6119a6d245abfb23dd2f348d9fa0db"},"schema_version":"1.0","source":{"id":"2405.05254","kind":"arxiv","version":2}},"canonical_sha256":"7fef16ba68fadec9cb471c5ae22b6602ae8d582538f1eb11b5b640c1e3afff7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7fef16ba68fadec9cb471c5ae22b6602ae8d582538f1eb11b5b640c1e3afff7d","first_computed_at":"2026-07-05T08:17:15.784134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:17:15.784134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FTxt4Ut5XgBjsW4UiLLi9qghK8NvC4dhUNTmG5Bz5Z0E2q+614XmCyKs3Xmy59t4ZaHNFxAUAs3v56Xc+7RkDg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:17:15.784698Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.05254","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e48a69b7dfd652fdb81da160b2eae78cb92e1fa312bbf1e499764ab0fbc77e0","sha256:2f6de0eb36185182768df46da08bf7d53bdb76ed83cca1f40daa709575e259cf"],"state_sha256":"a1512fbeba1f96e9966f8ec9b22448d76e33c1262779b6d5f269858f1aa6c2e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lvvF8+ZjzNcm9hb4V/X+TVTGFnFFTGfL4iPJJESU/txuenB1zu6iUnBsv10bFH1FuBJweDHWNvnaZXoW0xCrBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-13T03:27:43.326182Z","bundle_sha256":"a46aaf8cbafbdfe6aa744e43770564f85e5f623558f2d4d3942229589096c2e5"}}