{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QYPJWJITPHXHSPAKJKWKDO3SR5","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":"785e39a45e69ac014974b01c82e37db4013de040ab05e102557495fbe421245d","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-03T07:57:31Z","title_canon_sha256":"d203684d43ecabb1bb29a3d5edf882c4641b80459279f54a96e0b79dffc7d74c"},"schema_version":"1.0","source":{"id":"2607.03065","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.03065","created_at":"2026-07-07T01:16:41Z"},{"alias_kind":"arxiv_version","alias_value":"2607.03065v1","created_at":"2026-07-07T01:16:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.03065","created_at":"2026-07-07T01:16:41Z"},{"alias_kind":"pith_short_12","alias_value":"QYPJWJITPHXH","created_at":"2026-07-07T01:16:41Z"},{"alias_kind":"pith_short_16","alias_value":"QYPJWJITPHXHSPAK","created_at":"2026-07-07T01:16:41Z"},{"alias_kind":"pith_short_8","alias_value":"QYPJWJIT","created_at":"2026-07-07T01:16:41Z"}],"graph_snapshots":[{"event_id":"sha256:9f982e595f984d4a93beb607c932dfd901664a22e274c14d2b5ef5864c95f164","target":"graph","created_at":"2026-07-07T01:16:41Z","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/2607.03065/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Reinforcement learning has become a standard post-training recipe for large language models, but dense full-parameter updates create two deployment-relevant bottlenecks: suppressed reasoning performance, often reflected by premature saturation of test-time scaling, and interference when consolidating multiple capabilities through multi-domain training or model merging. We show that the reasoning-effective component of these updates is largely concentrated in the base model's spectral space, motivating Subspace-Aligned Rewiring (SAR), a post-hoc editing method that retains this spectral core wh","authors_text":"Hanlin Wu, Hao Zhou, Hongli Yu, Huan-ang Gao, Wei-Ying Ma, Ya-Qin Zhang, Yuxuan Song, Zhilong Zhang","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-03T07:57:31Z","title":"Spectral Rewiring for Exploration, Purification, and Model Merging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.03065","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":"sha256:21f65e64bcc01599a5fa1e3609d818b01648654bfff3930699815fb9ecf05ecc","target":"record","created_at":"2026-07-07T01:16:41Z","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":"785e39a45e69ac014974b01c82e37db4013de040ab05e102557495fbe421245d","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-03T07:57:31Z","title_canon_sha256":"d203684d43ecabb1bb29a3d5edf882c4641b80459279f54a96e0b79dffc7d74c"},"schema_version":"1.0","source":{"id":"2607.03065","kind":"arxiv","version":1}},"canonical_sha256":"861e9b251379ee793c0a4aaca1bb728f51b278780dbd5e46240a8023ea1cdf49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"861e9b251379ee793c0a4aaca1bb728f51b278780dbd5e46240a8023ea1cdf49","first_computed_at":"2026-07-07T01:16:41.713964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-07T01:16:41.713964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z+x7ASOZeaAFDujzmEv/qIkzsTdodKy3PTBnph+bz0NzfDs4FJYAbBHqeao9hLxHpYr8yHxQa8IjSKBQTo7eDg==","signature_status":"signed_v1","signed_at":"2026-07-07T01:16:41.714540Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.03065","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21f65e64bcc01599a5fa1e3609d818b01648654bfff3930699815fb9ecf05ecc","sha256:9f982e595f984d4a93beb607c932dfd901664a22e274c14d2b5ef5864c95f164"],"state_sha256":"8c2f6500f5ecb39b43ce18a317d34208a68b96afd986b27b2126ba428fe2052e"}