{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:64O77SQY6JH4LCUQCS5IMV5HFR","short_pith_number":"pith:64O77SQY","canonical_record":{"source":{"id":"2607.26627","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-29T08:54:27Z","cross_cats_sorted":[],"title_canon_sha256":"6f5b2a7c6528a68135fb1731333fce90f8a84e1503f50425381d5b52f1e89290","abstract_canon_sha256":"b21c3d86a28a906b2abe94c7e2bd44e14b19fbb8503f58a9d4af9467801ab6c3"},"schema_version":"1.0"},"canonical_sha256":"f71dffca18f24fc58a9014ba8657a72c6ab9789d0b18d944cc76049ada26f0c7","source":{"kind":"arxiv","id":"2607.26627","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.26627","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"arxiv_version","alias_value":"2607.26627v1","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.26627","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"pith_short_12","alias_value":"64O77SQY6JH4","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"pith_short_16","alias_value":"64O77SQY6JH4LCUQ","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"pith_short_8","alias_value":"64O77SQY","created_at":"2026-07-30T01:21:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:64O77SQY6JH4LCUQCS5IMV5HFR","target":"record","payload":{"canonical_record":{"source":{"id":"2607.26627","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-29T08:54:27Z","cross_cats_sorted":[],"title_canon_sha256":"6f5b2a7c6528a68135fb1731333fce90f8a84e1503f50425381d5b52f1e89290","abstract_canon_sha256":"b21c3d86a28a906b2abe94c7e2bd44e14b19fbb8503f58a9d4af9467801ab6c3"},"schema_version":"1.0"},"canonical_sha256":"f71dffca18f24fc58a9014ba8657a72c6ab9789d0b18d944cc76049ada26f0c7","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f71dffca18f24fc58a9014ba8657a72c6ab9789d0b18d944cc76049ada26f0c7","last_reissued_at":"2026-07-30T01:21:37.274948Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-30T01:21:37.274948Z"},"source_kind":"arxiv","source_id":"2607.26627","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":"2026-07-30T01:21:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+YJIfDeUKsjEQDl0ABrxJa2Y6hgcq45VNmhWnjOlreJFPlaP2iWx8w8Vdic9W+IpX6OkO45EYOKj4Ee+0tvVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:01:45.759709Z"},"content_sha256":"37abd2bf37e5f075ddbe6ccd17cdaa85a6d0c90c5259f5e908b4a07ed5e9f34a","schema_version":"1.0","event_id":"sha256:37abd2bf37e5f075ddbe6ccd17cdaa85a6d0c90c5259f5e908b4a07ed5e9f34a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:64O77SQY6JH4LCUQCS5IMV5HFR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Revisiting Lossy Verification in Speculative Decoding: Mechanisms, Trade-offs, and Failure Modes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CL","authors_text":"Heng Li, Junyuan Shang, Tianyu Wang, Wenbin Wang, Yuxuan Zhou, Zikai Xiao","submitted_at":"2026-07-29T08:54:27Z","abstract_excerpt":"Speculative Decoding (SD) accelerates large language model inference by allowing a lightweight draft model to propose tokens that are subsequently verified in parallel by a larger target model. Recent approaches introduce lossy verification schemes to further improve efficiency by relaxing strict distributional matching. Yet such relaxation silently rewrites the decoding distribution, and the resulting acceleration can come at the cost of unstable, sometimes severely degraded generation quality. In this work, we present a principled analysis of the distributions induced by lossy verification m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.26627","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/2607.26627/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":"2026-07-30T01:21:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fkPwL9L/0zOnRBHd7mhsd+8vI6Ed92dw5/errcelb0ORMnd8EwCHLPxJKKfVqhz3fGtraxYEhORoOAzeMmh3CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:01:45.760216Z"},"content_sha256":"b8379d98fed025714b6a994d7041128f01cbf26a0128815bdedb208a6666d27e","schema_version":"1.0","event_id":"sha256:b8379d98fed025714b6a994d7041128f01cbf26a0128815bdedb208a6666d27e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/64O77SQY6JH4LCUQCS5IMV5HFR/bundle.json","state_url":"https://pith.science/pith/64O77SQY6JH4LCUQCS5IMV5HFR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/64O77SQY6JH4LCUQCS5IMV5HFR/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":"2026-08-04T20:01:45Z","links":{"resolver":"https://pith.science/pith/64O77SQY6JH4LCUQCS5IMV5HFR","bundle":"https://pith.science/pith/64O77SQY6JH4LCUQCS5IMV5HFR/bundle.json","state":"https://pith.science/pith/64O77SQY6JH4LCUQCS5IMV5HFR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/64O77SQY6JH4LCUQCS5IMV5HFR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:64O77SQY6JH4LCUQCS5IMV5HFR","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":"b21c3d86a28a906b2abe94c7e2bd44e14b19fbb8503f58a9d4af9467801ab6c3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-29T08:54:27Z","title_canon_sha256":"6f5b2a7c6528a68135fb1731333fce90f8a84e1503f50425381d5b52f1e89290"},"schema_version":"1.0","source":{"id":"2607.26627","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.26627","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"arxiv_version","alias_value":"2607.26627v1","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.26627","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"pith_short_12","alias_value":"64O77SQY6JH4","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"pith_short_16","alias_value":"64O77SQY6JH4LCUQ","created_at":"2026-07-30T01:21:37Z"},{"alias_kind":"pith_short_8","alias_value":"64O77SQY","created_at":"2026-07-30T01:21:37Z"}],"graph_snapshots":[{"event_id":"sha256:b8379d98fed025714b6a994d7041128f01cbf26a0128815bdedb208a6666d27e","target":"graph","created_at":"2026-07-30T01:21:37Z","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/2607.26627/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Speculative Decoding (SD) accelerates large language model inference by allowing a lightweight draft model to propose tokens that are subsequently verified in parallel by a larger target model. Recent approaches introduce lossy verification schemes to further improve efficiency by relaxing strict distributional matching. Yet such relaxation silently rewrites the decoding distribution, and the resulting acceleration can come at the cost of unstable, sometimes severely degraded generation quality. In this work, we present a principled analysis of the distributions induced by lossy verification m","authors_text":"Heng Li, Junyuan Shang, Tianyu Wang, Wenbin Wang, Yuxuan Zhou, Zikai Xiao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-29T08:54:27Z","title":"Revisiting Lossy Verification in Speculative Decoding: Mechanisms, Trade-offs, and Failure Modes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.26627","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":"sha256:37abd2bf37e5f075ddbe6ccd17cdaa85a6d0c90c5259f5e908b4a07ed5e9f34a","target":"record","created_at":"2026-07-30T01:21:37Z","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":"b21c3d86a28a906b2abe94c7e2bd44e14b19fbb8503f58a9d4af9467801ab6c3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-07-29T08:54:27Z","title_canon_sha256":"6f5b2a7c6528a68135fb1731333fce90f8a84e1503f50425381d5b52f1e89290"},"schema_version":"1.0","source":{"id":"2607.26627","kind":"arxiv","version":1}},"canonical_sha256":"f71dffca18f24fc58a9014ba8657a72c6ab9789d0b18d944cc76049ada26f0c7","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f71dffca18f24fc58a9014ba8657a72c6ab9789d0b18d944cc76049ada26f0c7","first_computed_at":"2026-07-30T01:21:37.274948Z","kind":"pith_receipt","last_reissued_at":"2026-07-30T01:21:37.274948Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.26627","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:37abd2bf37e5f075ddbe6ccd17cdaa85a6d0c90c5259f5e908b4a07ed5e9f34a","sha256:b8379d98fed025714b6a994d7041128f01cbf26a0128815bdedb208a6666d27e"],"state_sha256":"b06d3f5ebbe6f37e889e1cbed9bb51e757c405388e2236206c0f9f52ae66dda9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"siPcxdUZjzro3GlBGmOuokxqS1tfj2b1fxi/yZzGCFAQpPWGjRPVUgeYlAjNVsnxAncYF1Q+s6nvC8JEcECMCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:01:45.764303Z","bundle_sha256":"f848b875b3173bc50b999314e5c5ea47516091014fee5fac05aacd8d540eda04"}}