{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:UP4RNBS3SLCJ5SR3MXEWW37VKR","short_pith_number":"pith:UP4RNBS3","canonical_record":{"source":{"id":"2608.04084","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-08-04T18:00:01Z","cross_cats_sorted":["cs.CL","cs.CV"],"title_canon_sha256":"83e6f7e52403b318eb610b90a6ce1062634dda0efa0796dcc3c46b04f31e92a2","abstract_canon_sha256":"59827b13243b1b4cfe25e79abcc868c706424710f60981c1aa1a727c6771a8bd"},"schema_version":"1.0"},"canonical_sha256":"a3f916865b92c49eca3b65c96b6ff55473c723451136ec268ed6f3d261cd344b","source":{"kind":"arxiv","id":"2608.04084","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04084","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04084v1","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04084","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"pith_short_12","alias_value":"UP4RNBS3SLCJ","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"pith_short_16","alias_value":"UP4RNBS3SLCJ5SR3","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"pith_short_8","alias_value":"UP4RNBS3","created_at":"2026-08-06T01:29:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:UP4RNBS3SLCJ5SR3MXEWW37VKR","target":"record","payload":{"canonical_record":{"source":{"id":"2608.04084","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-08-04T18:00:01Z","cross_cats_sorted":["cs.CL","cs.CV"],"title_canon_sha256":"83e6f7e52403b318eb610b90a6ce1062634dda0efa0796dcc3c46b04f31e92a2","abstract_canon_sha256":"59827b13243b1b4cfe25e79abcc868c706424710f60981c1aa1a727c6771a8bd"},"schema_version":"1.0"},"canonical_sha256":"a3f916865b92c49eca3b65c96b6ff55473c723451136ec268ed6f3d261cd344b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-06T01:29:03.592435Z","signature_b64":"vBk9XYPz0S+J52VtEKyBNcE6I0HRMAbszuiHTDNeDrs26IZJnuZKDaLpK6CJDjEP1BfvFdiliygcOtpMJ9gzCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a3f916865b92c49eca3b65c96b6ff55473c723451136ec268ed6f3d261cd344b","last_reissued_at":"2026-08-06T01:29:03.590908Z","signature_status":"signed_v1","first_computed_at":"2026-08-06T01:29:03.590908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.04084","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":"2026-08-06T01:29:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JrZzVgCgZ7kyUz/gA7apry9oNLnbBYvnpq9DZoPEJLVdMoLdlC1NJ0xP/fcjR3ekiKgjraGo4WBrJGyPqExzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:37:07.508662Z"},"content_sha256":"c579173023b91bb05bb78ff47cfedc6e4d9ba6e4554d1d92c808f43cd57320f7","schema_version":"1.0","event_id":"sha256:c579173023b91bb05bb78ff47cfedc6e4d9ba6e4554d1d92c808f43cd57320f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:UP4RNBS3SLCJ5SR3MXEWW37VKR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SpecDrop: Parameter-Free Category-Conditioned Routing for Modular Specialization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL","cs.CV"],"primary_cat":"cs.LG","authors_text":"Boyao Wang, Zhihan Lei","submitted_at":"2026-08-04T18:00:01Z","abstract_excerpt":"Mixture-of-experts (MoE) networks pursue specialization through learned routers, gates, and load-balancing losses, yet at matched total-parameter budgets learned routers can underperform equal-weight No-Routing baselines. Is the bottleneck the routing algorithm, or the alignment between training-signal granularity and the target categories? We probe the question with SpecDrop, a fixed parameter-free routing scheme: each of $K$ branches receives weight $p_a$ for its assigned category and a small leakage $p_i > 0$ otherwise, merged through a category-independent fixed denominator, with no learne"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04084","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/2608.04084/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":"2026-08-06T01:29:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IxxuEI5PiHNMsPJ7y9/VoV9wJh1zIYBBXSqqJjWiHdEBvuEb+6rK5wWpbhh5yE8Jnv5qfFPCnPJeh6hmVaugDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:37:07.509293Z"},"content_sha256":"5161921c5dd1c05068ab7316e132372e99fa75999eb7fd11f86ad7cce0e76d2a","schema_version":"1.0","event_id":"sha256:5161921c5dd1c05068ab7316e132372e99fa75999eb7fd11f86ad7cce0e76d2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UP4RNBS3SLCJ5SR3MXEWW37VKR/bundle.json","state_url":"https://pith.science/pith/UP4RNBS3SLCJ5SR3MXEWW37VKR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UP4RNBS3SLCJ5SR3MXEWW37VKR/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":"2026-08-09T01:37:07Z","links":{"resolver":"https://pith.science/pith/UP4RNBS3SLCJ5SR3MXEWW37VKR","bundle":"https://pith.science/pith/UP4RNBS3SLCJ5SR3MXEWW37VKR/bundle.json","state":"https://pith.science/pith/UP4RNBS3SLCJ5SR3MXEWW37VKR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UP4RNBS3SLCJ5SR3MXEWW37VKR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UP4RNBS3SLCJ5SR3MXEWW37VKR","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":"59827b13243b1b4cfe25e79abcc868c706424710f60981c1aa1a727c6771a8bd","cross_cats_sorted":["cs.CL","cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-08-04T18:00:01Z","title_canon_sha256":"83e6f7e52403b318eb610b90a6ce1062634dda0efa0796dcc3c46b04f31e92a2"},"schema_version":"1.0","source":{"id":"2608.04084","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.04084","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"arxiv_version","alias_value":"2608.04084v1","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.04084","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"pith_short_12","alias_value":"UP4RNBS3SLCJ","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"pith_short_16","alias_value":"UP4RNBS3SLCJ5SR3","created_at":"2026-08-06T01:29:03Z"},{"alias_kind":"pith_short_8","alias_value":"UP4RNBS3","created_at":"2026-08-06T01:29:03Z"}],"graph_snapshots":[{"event_id":"sha256:5161921c5dd1c05068ab7316e132372e99fa75999eb7fd11f86ad7cce0e76d2a","target":"graph","created_at":"2026-08-06T01:29:03Z","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/2608.04084/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Mixture-of-experts (MoE) networks pursue specialization through learned routers, gates, and load-balancing losses, yet at matched total-parameter budgets learned routers can underperform equal-weight No-Routing baselines. Is the bottleneck the routing algorithm, or the alignment between training-signal granularity and the target categories? We probe the question with SpecDrop, a fixed parameter-free routing scheme: each of $K$ branches receives weight $p_a$ for its assigned category and a small leakage $p_i > 0$ otherwise, merged through a category-independent fixed denominator, with no learne","authors_text":"Boyao Wang, Zhihan Lei","cross_cats":["cs.CL","cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-08-04T18:00:01Z","title":"SpecDrop: Parameter-Free Category-Conditioned Routing for Modular Specialization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.04084","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:c579173023b91bb05bb78ff47cfedc6e4d9ba6e4554d1d92c808f43cd57320f7","target":"record","created_at":"2026-08-06T01:29:03Z","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":"59827b13243b1b4cfe25e79abcc868c706424710f60981c1aa1a727c6771a8bd","cross_cats_sorted":["cs.CL","cs.CV"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-08-04T18:00:01Z","title_canon_sha256":"83e6f7e52403b318eb610b90a6ce1062634dda0efa0796dcc3c46b04f31e92a2"},"schema_version":"1.0","source":{"id":"2608.04084","kind":"arxiv","version":1}},"canonical_sha256":"a3f916865b92c49eca3b65c96b6ff55473c723451136ec268ed6f3d261cd344b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a3f916865b92c49eca3b65c96b6ff55473c723451136ec268ed6f3d261cd344b","first_computed_at":"2026-08-06T01:29:03.590908Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-06T01:29:03.590908Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vBk9XYPz0S+J52VtEKyBNcE6I0HRMAbszuiHTDNeDrs26IZJnuZKDaLpK6CJDjEP1BfvFdiliygcOtpMJ9gzCQ==","signature_status":"signed_v1","signed_at":"2026-08-06T01:29:03.592435Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.04084","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c579173023b91bb05bb78ff47cfedc6e4d9ba6e4554d1d92c808f43cd57320f7","sha256:5161921c5dd1c05068ab7316e132372e99fa75999eb7fd11f86ad7cce0e76d2a"],"state_sha256":"d8c026974616e1354f0ea33581e89dbc64a4d001c1662dd1c01c31dff2528ba8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q4uEGkR5x34QCk4mVPMAQDuXFrY1c5TfevStJMXN5stb+7cgHsVzTLPhdUkvkCXe1DyVtUoqO/EtadsVhsMlDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T01:37:07.514104Z","bundle_sha256":"7861ae9dda0fc03f7ac3ab18bda69b41b421ed0da6feec824cfa8fad8187ef30"}}