{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:P526L3GACR75U4X6DRSLNG6R4O","short_pith_number":"pith:P526L3GA","canonical_record":{"source":{"id":"2606.17567","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-16T06:13:59Z","cross_cats_sorted":[],"title_canon_sha256":"58ba9b24d99459dbc7ae3fa0959005f8935a478a0542c236e1e2b24296c5c51a","abstract_canon_sha256":"f9e8639baedff94b6c97d825dd210d8a6afae32e05097a39fe5fa57c8ee72574"},"schema_version":"1.0"},"canonical_sha256":"7f75e5ecc0147fda72fe1c64b69bd1e39aeea98242d9a5d31f395ac5b7e9c856","source":{"kind":"arxiv","id":"2606.17567","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.17567","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"arxiv_version","alias_value":"2606.17567v1","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.17567","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"pith_short_12","alias_value":"P526L3GACR75","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"pith_short_16","alias_value":"P526L3GACR75U4X6","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"pith_short_8","alias_value":"P526L3GA","created_at":"2026-06-19T16:10:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:P526L3GACR75U4X6DRSLNG6R4O","target":"record","payload":{"canonical_record":{"source":{"id":"2606.17567","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-16T06:13:59Z","cross_cats_sorted":[],"title_canon_sha256":"58ba9b24d99459dbc7ae3fa0959005f8935a478a0542c236e1e2b24296c5c51a","abstract_canon_sha256":"f9e8639baedff94b6c97d825dd210d8a6afae32e05097a39fe5fa57c8ee72574"},"schema_version":"1.0"},"canonical_sha256":"7f75e5ecc0147fda72fe1c64b69bd1e39aeea98242d9a5d31f395ac5b7e9c856","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:10:16.179904Z","signature_b64":"c3XZj2IR5tC03k0Pxz1IN1GNbSPYxQBjGY2Bdcn5eM1N026Y0bgcaTlWQHWeNj2rAr6zHCLRFujEfjl8XTWFCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f75e5ecc0147fda72fe1c64b69bd1e39aeea98242d9a5d31f395ac5b7e9c856","last_reissued_at":"2026-06-19T16:10:16.179570Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:10:16.179570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.17567","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":"2026-06-19T16:10:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kJ9IMXnXcGgPxUN359bt1vgfGgsc3Izv5fU+kv7pBSU5PFBx7TRap3Hcc70cfRXdjGOm8tVrRUW0csosEM52BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T23:19:18.202734Z"},"content_sha256":"54f83930e9cb3cbc87d9a2f8902167ede5feb7104c84c9537b7eca08100178a5","schema_version":"1.0","event_id":"sha256:54f83930e9cb3cbc87d9a2f8902167ede5feb7104c84c9537b7eca08100178a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:P526L3GACR75U4X6DRSLNG6R4O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reducing Learner Redundancy in Boosting via Residual Orthogonalization","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.LG","authors_text":"Di Wu, Gangchun Zhang, Jinxin Chen, Jipeng Guo, Longlong Zhao, Xin Xu, Ye Su, Yong Liu","submitted_at":"2026-06-16T06:13:59Z","abstract_excerpt":"While sequential residual fitting is the bedrock of standard boosting frameworks, it inherently breeds learner redundancy by repeatedly revisiting correlated error components. To address this bottleneck, we propose a shift from residual fitting to \\textit{residual orthogonalization} and introduce SCBoost. Our framework tackles redundancy through two complementary mechanisms: Spectral Residual Projection (SRP) and Covariance-Regularized Weighting (CRW). During training, SRP projects each residual target onto the orthogonal complement of the historical prediction subspace, forcing successive lea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.17567","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/2606.17567/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":"2026-06-19T16:10:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xVn6vEO9m4QHWD0JbdBNTc5AZyyVwfwWwbN+MrXEYeBnHe/9ZcOON6n3DZrFM7w011nxd/PsNW9awodqnd1uDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T23:19:18.203588Z"},"content_sha256":"d42c16da9b985a97a24c947e88a7f3336e9eae2224dc2a724021f1b5b45aa231","schema_version":"1.0","event_id":"sha256:d42c16da9b985a97a24c947e88a7f3336e9eae2224dc2a724021f1b5b45aa231"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P526L3GACR75U4X6DRSLNG6R4O/bundle.json","state_url":"https://pith.science/pith/P526L3GACR75U4X6DRSLNG6R4O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P526L3GACR75U4X6DRSLNG6R4O/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":"2026-08-09T23:19:18Z","links":{"resolver":"https://pith.science/pith/P526L3GACR75U4X6DRSLNG6R4O","bundle":"https://pith.science/pith/P526L3GACR75U4X6DRSLNG6R4O/bundle.json","state":"https://pith.science/pith/P526L3GACR75U4X6DRSLNG6R4O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P526L3GACR75U4X6DRSLNG6R4O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:P526L3GACR75U4X6DRSLNG6R4O","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":"f9e8639baedff94b6c97d825dd210d8a6afae32e05097a39fe5fa57c8ee72574","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-16T06:13:59Z","title_canon_sha256":"58ba9b24d99459dbc7ae3fa0959005f8935a478a0542c236e1e2b24296c5c51a"},"schema_version":"1.0","source":{"id":"2606.17567","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.17567","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"arxiv_version","alias_value":"2606.17567v1","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.17567","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"pith_short_12","alias_value":"P526L3GACR75","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"pith_short_16","alias_value":"P526L3GACR75U4X6","created_at":"2026-06-19T16:10:16Z"},{"alias_kind":"pith_short_8","alias_value":"P526L3GA","created_at":"2026-06-19T16:10:16Z"}],"graph_snapshots":[{"event_id":"sha256:d42c16da9b985a97a24c947e88a7f3336e9eae2224dc2a724021f1b5b45aa231","target":"graph","created_at":"2026-06-19T16:10:16Z","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/2606.17567/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"While sequential residual fitting is the bedrock of standard boosting frameworks, it inherently breeds learner redundancy by repeatedly revisiting correlated error components. To address this bottleneck, we propose a shift from residual fitting to \\textit{residual orthogonalization} and introduce SCBoost. Our framework tackles redundancy through two complementary mechanisms: Spectral Residual Projection (SRP) and Covariance-Regularized Weighting (CRW). During training, SRP projects each residual target onto the orthogonal complement of the historical prediction subspace, forcing successive lea","authors_text":"Di Wu, Gangchun Zhang, Jinxin Chen, Jipeng Guo, Longlong Zhao, Xin Xu, Ye Su, Yong Liu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-16T06:13:59Z","title":"Reducing Learner Redundancy in Boosting via Residual Orthogonalization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.17567","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":"sha256:54f83930e9cb3cbc87d9a2f8902167ede5feb7104c84c9537b7eca08100178a5","target":"record","created_at":"2026-06-19T16:10:16Z","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":"f9e8639baedff94b6c97d825dd210d8a6afae32e05097a39fe5fa57c8ee72574","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.LG","submitted_at":"2026-06-16T06:13:59Z","title_canon_sha256":"58ba9b24d99459dbc7ae3fa0959005f8935a478a0542c236e1e2b24296c5c51a"},"schema_version":"1.0","source":{"id":"2606.17567","kind":"arxiv","version":1}},"canonical_sha256":"7f75e5ecc0147fda72fe1c64b69bd1e39aeea98242d9a5d31f395ac5b7e9c856","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f75e5ecc0147fda72fe1c64b69bd1e39aeea98242d9a5d31f395ac5b7e9c856","first_computed_at":"2026-06-19T16:10:16.179570Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:10:16.179570Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c3XZj2IR5tC03k0Pxz1IN1GNbSPYxQBjGY2Bdcn5eM1N026Y0bgcaTlWQHWeNj2rAr6zHCLRFujEfjl8XTWFCQ==","signature_status":"signed_v1","signed_at":"2026-06-19T16:10:16.179904Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.17567","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54f83930e9cb3cbc87d9a2f8902167ede5feb7104c84c9537b7eca08100178a5","sha256:d42c16da9b985a97a24c947e88a7f3336e9eae2224dc2a724021f1b5b45aa231"],"state_sha256":"8d0b6378487084a5ea7ceedc7b191069971d5c8e061853c8cd2daed1ecbe1404"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tqESbyhDp/2Kkyng5GKC+OMyggnU/JcwCBRgKlosReWB/NHea3kHw102/LpjloIqOgrp8zz650Qyu1E32OqpBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T23:19:18.208698Z","bundle_sha256":"5592392db07de4048a0128259792cae6f9bd8585d01806419abf070872993b68"}}