{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:AWRVZGGYQ4WTIPW3335OIQDHNM","short_pith_number":"pith:AWRVZGGY","canonical_record":{"source":{"id":"2604.01622","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-04-02T05:01:36Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"765e01f6558571bdb1e94304382bcbbc2ee88c1d58e9ffcf97c7a65a377c7f93","abstract_canon_sha256":"7a08b53a320ba71509b675527322a15861d77647e1fa36547ef0833bc6e98c81"},"schema_version":"1.0"},"canonical_sha256":"05a35c98d8872d343edbdefae440676b0842cccfd4e2cb485a5d7898d3470bd6","source":{"kind":"arxiv","id":"2604.01622","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.01622","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"arxiv_version","alias_value":"2604.01622v2","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.01622","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"pith_short_12","alias_value":"AWRVZGGYQ4WT","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"pith_short_16","alias_value":"AWRVZGGYQ4WTIPW3","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"pith_short_8","alias_value":"AWRVZGGY","created_at":"2026-08-04T02:40:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:AWRVZGGYQ4WTIPW3335OIQDHNM","target":"record","payload":{"canonical_record":{"source":{"id":"2604.01622","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-04-02T05:01:36Z","cross_cats_sorted":["cs.CL"],"title_canon_sha256":"765e01f6558571bdb1e94304382bcbbc2ee88c1d58e9ffcf97c7a65a377c7f93","abstract_canon_sha256":"7a08b53a320ba71509b675527322a15861d77647e1fa36547ef0833bc6e98c81"},"schema_version":"1.0"},"canonical_sha256":"05a35c98d8872d343edbdefae440676b0842cccfd4e2cb485a5d7898d3470bd6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T02:40:31.943427Z","signature_b64":"cJ01+4K87OFE5FbYCpVCfO3WsiLSgvPr4D8KkDpK7T8Mxo1ZLccrnkdqVy1bcuqCVxqIyP4ZDxAYJsgBLBTSDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"05a35c98d8872d343edbdefae440676b0842cccfd4e2cb485a5d7898d3470bd6","last_reissued_at":"2026-08-04T02:40:31.940861Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T02:40:31.940861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2604.01622","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":"2026-08-04T02:40:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7GUYBw/7Dx1RY3I2E86PmEeUKqhj9nyfR8cmPDbyE5eYo2ECGjif+tk4V36zQp3b6OP0rMxItghcJMLLAY7cDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:26:58.405792Z"},"content_sha256":"1365d672f1aec2291cb3d11aeaf8540fcedba88be5efe6c25633207bee9c7a14","schema_version":"1.0","event_id":"sha256:1365d672f1aec2291cb3d11aeaf8540fcedba88be5efe6c25633207bee9c7a14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:AWRVZGGYQ4WTIPW3335OIQDHNM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Expert-Choice Routing Enables Adaptive Computation in Diffusion Language Models","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL"],"primary_cat":"cs.LG","authors_text":"Caspian Zhuang, Chihan Cui, Fred Zhangzhi Peng, Guanhua Chen, Haoyue Bai, Ming Liu, Shuibai Zhang, Yang Zhou, Yanxin Zhang, Zack Jia, Zhihan Yang","submitted_at":"2026-04-02T05:01:36Z","abstract_excerpt":"Diffusion language models (DLMs) enable parallel, non-autoregressive text generation, yet existing DLM mixture-of-experts (MoE) models inherit token-choice (TC) routing from autoregressive systems, leading to load imbalance and rigid computation allocation. We show that expert-choice (EC) routing is a better fit for DLMs: it provides deterministic load balancing by design, yielding higher throughput and faster convergence than TC. Building on the property that EC capacity is externally controllable, we introduce timestep-dependent expert capacity, which varies expert allocation according to th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.01622","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/2604.01622/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":"2026-08-04T02:40:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"58jkZGN5L03M1FOgNk2xoI99Cet/pmqh7pr49lRYP21MceXI6jphnTJjhM3ZOrnlxCjUd6o2i3GoGzv3ydnADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:26:58.406323Z"},"content_sha256":"293b01ffd1438393b36d9f206b339917b4a7e36e340ac13cf4a5be0ce2d173b5","schema_version":"1.0","event_id":"sha256:293b01ffd1438393b36d9f206b339917b4a7e36e340ac13cf4a5be0ce2d173b5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AWRVZGGYQ4WTIPW3335OIQDHNM/bundle.json","state_url":"https://pith.science/pith/AWRVZGGYQ4WTIPW3335OIQDHNM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AWRVZGGYQ4WTIPW3335OIQDHNM/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":"2026-08-05T16:26:58Z","links":{"resolver":"https://pith.science/pith/AWRVZGGYQ4WTIPW3335OIQDHNM","bundle":"https://pith.science/pith/AWRVZGGYQ4WTIPW3335OIQDHNM/bundle.json","state":"https://pith.science/pith/AWRVZGGYQ4WTIPW3335OIQDHNM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AWRVZGGYQ4WTIPW3335OIQDHNM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AWRVZGGYQ4WTIPW3335OIQDHNM","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":"7a08b53a320ba71509b675527322a15861d77647e1fa36547ef0833bc6e98c81","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-04-02T05:01:36Z","title_canon_sha256":"765e01f6558571bdb1e94304382bcbbc2ee88c1d58e9ffcf97c7a65a377c7f93"},"schema_version":"1.0","source":{"id":"2604.01622","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.01622","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"arxiv_version","alias_value":"2604.01622v2","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.01622","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"pith_short_12","alias_value":"AWRVZGGYQ4WT","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"pith_short_16","alias_value":"AWRVZGGYQ4WTIPW3","created_at":"2026-08-04T02:40:31Z"},{"alias_kind":"pith_short_8","alias_value":"AWRVZGGY","created_at":"2026-08-04T02:40:31Z"}],"graph_snapshots":[{"event_id":"sha256:293b01ffd1438393b36d9f206b339917b4a7e36e340ac13cf4a5be0ce2d173b5","target":"graph","created_at":"2026-08-04T02:40:31Z","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/2604.01622/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Diffusion language models (DLMs) enable parallel, non-autoregressive text generation, yet existing DLM mixture-of-experts (MoE) models inherit token-choice (TC) routing from autoregressive systems, leading to load imbalance and rigid computation allocation. We show that expert-choice (EC) routing is a better fit for DLMs: it provides deterministic load balancing by design, yielding higher throughput and faster convergence than TC. Building on the property that EC capacity is externally controllable, we introduce timestep-dependent expert capacity, which varies expert allocation according to th","authors_text":"Caspian Zhuang, Chihan Cui, Fred Zhangzhi Peng, Guanhua Chen, Haoyue Bai, Ming Liu, Shuibai Zhang, Yang Zhou, Yanxin Zhang, Zack Jia, Zhihan Yang","cross_cats":["cs.CL"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-04-02T05:01:36Z","title":"Expert-Choice Routing Enables Adaptive Computation in Diffusion Language Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.01622","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":"sha256:1365d672f1aec2291cb3d11aeaf8540fcedba88be5efe6c25633207bee9c7a14","target":"record","created_at":"2026-08-04T02:40:31Z","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":"7a08b53a320ba71509b675527322a15861d77647e1fa36547ef0833bc6e98c81","cross_cats_sorted":["cs.CL"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-04-02T05:01:36Z","title_canon_sha256":"765e01f6558571bdb1e94304382bcbbc2ee88c1d58e9ffcf97c7a65a377c7f93"},"schema_version":"1.0","source":{"id":"2604.01622","kind":"arxiv","version":2}},"canonical_sha256":"05a35c98d8872d343edbdefae440676b0842cccfd4e2cb485a5d7898d3470bd6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"05a35c98d8872d343edbdefae440676b0842cccfd4e2cb485a5d7898d3470bd6","first_computed_at":"2026-08-04T02:40:31.940861Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-04T02:40:31.940861Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cJ01+4K87OFE5FbYCpVCfO3WsiLSgvPr4D8KkDpK7T8Mxo1ZLccrnkdqVy1bcuqCVxqIyP4ZDxAYJsgBLBTSDg==","signature_status":"signed_v1","signed_at":"2026-08-04T02:40:31.943427Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.01622","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1365d672f1aec2291cb3d11aeaf8540fcedba88be5efe6c25633207bee9c7a14","sha256:293b01ffd1438393b36d9f206b339917b4a7e36e340ac13cf4a5be0ce2d173b5"],"state_sha256":"244d5b79d5930eba2853fc2018ed235b19521a1324d9e76c2d08cf9b2c0bb6d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nfCmPgHUYP+nw4BH9AcGKgLLLNV8nYsUKjrr1G5v3q3/VN+Kwqv8CAbgRU6u1TZRyY63t2LcZ4+9kWpBryxgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T16:26:58.414679Z","bundle_sha256":"a08b99eb16148a165c2486ad422784379edd31aca99ed8fb142e7eca1a091e48"}}