{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:BQEWM3B6VASAPEWZD74GYS65E3","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":"7ef9650bb3ba30e78644e6cd696c3068626b43252ede7927dfb3f72a71d07c17","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-06-24T17:48:10Z","title_canon_sha256":"ea98f841f7808bdfe3a307ffbd008c97ba2db41011689dd92f4a966caf4ec704"},"schema_version":"1.0","source":{"id":"2506.19830","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.19830","created_at":"2026-07-05T11:26:39Z"},{"alias_kind":"arxiv_version","alias_value":"2506.19830v1","created_at":"2026-07-05T11:26:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.19830","created_at":"2026-07-05T11:26:39Z"},{"alias_kind":"pith_short_12","alias_value":"BQEWM3B6VASA","created_at":"2026-07-05T11:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"BQEWM3B6VASAPEWZ","created_at":"2026-07-05T11:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"BQEWM3B6","created_at":"2026-07-05T11:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:686ac195db83f9c608a44814ff49e006efb077e88abe559080a2e4cf78da488d","target":"graph","created_at":"2026-07-05T11:26:39Z","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/2506.19830/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reasoning models excel by generating long chain-of-thoughts, but decoding the resulting thousands of tokens is slow. Token-level speculative decoding (SD) helps, but its benefit is capped, because the chance that an entire $\\gamma$-token guess is correct falls exponentially as $\\gamma$ grows. This means allocating more compute for longer token drafts faces an algorithmic ceiling -- making the speedup modest and hardware-agnostic. We raise this ceiling with Lookahead Reasoning, which exploits a second, step-level layer of parallelism. Our key insight is that reasoning models generate step-by-st","authors_text":"Hao Zhang, Rui Ge, Yichao Fu, Zelei Shao, Zhijie Deng","cross_cats":["cs.CL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-06-24T17:48:10Z","title":"Scaling Speculative Decoding with Lookahead Reasoning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.19830","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:a35ae39f389aad852c8bc5d65e56fc21aa4c72e470a1d2bbc8de79ff5badc134","target":"record","created_at":"2026-07-05T11:26:39Z","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":"7ef9650bb3ba30e78644e6cd696c3068626b43252ede7927dfb3f72a71d07c17","cross_cats_sorted":["cs.CL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-06-24T17:48:10Z","title_canon_sha256":"ea98f841f7808bdfe3a307ffbd008c97ba2db41011689dd92f4a966caf4ec704"},"schema_version":"1.0","source":{"id":"2506.19830","kind":"arxiv","version":1}},"canonical_sha256":"0c09666c3ea8240792d91ff86c4bdd26eed25a27ee7642bd1f386be3941da7be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c09666c3ea8240792d91ff86c4bdd26eed25a27ee7642bd1f386be3941da7be","first_computed_at":"2026-07-05T11:26:39.105121Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:26:39.105121Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7yWnJ3HKXe3inwfBYXsXdD4zW0XXVaPVUwT6pdspbWzISsHqdd6Wf7LmTpjBjAa4KfWWkTTYaT+vr2FS6EBIAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:26:39.105627Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.19830","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a35ae39f389aad852c8bc5d65e56fc21aa4c72e470a1d2bbc8de79ff5badc134","sha256:686ac195db83f9c608a44814ff49e006efb077e88abe559080a2e4cf78da488d"],"state_sha256":"b06a735ef11d690c36e887ea9b50e014e7f223fe76d26cb574a59afdb1219c71"}