{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WSFQ4DC3SMZQHX6TLEARXURVI3","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":"cd5c5e7372e16f46e4f27cd64e8f9d884bb3dfb43e76e31916fb7d990f962a2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-09T15:26:36Z","title_canon_sha256":"c94973642413bf21c8da5aee48a1ad1fc71baebe1afefd2dbf1e5aaa5c14cc9c"},"schema_version":"1.0","source":{"id":"2606.10989","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.10989","created_at":"2026-06-10T01:11:02Z"},{"alias_kind":"arxiv_version","alias_value":"2606.10989v1","created_at":"2026-06-10T01:11:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.10989","created_at":"2026-06-10T01:11:02Z"},{"alias_kind":"pith_short_12","alias_value":"WSFQ4DC3SMZQ","created_at":"2026-06-10T01:11:02Z"},{"alias_kind":"pith_short_16","alias_value":"WSFQ4DC3SMZQHX6T","created_at":"2026-06-10T01:11:02Z"},{"alias_kind":"pith_short_8","alias_value":"WSFQ4DC3","created_at":"2026-06-10T01:11:02Z"}],"graph_snapshots":[{"event_id":"sha256:404381f6c960bb8b00f9ccb58fb014d13f2523730f9983c9a3b895fdea524107","target":"graph","created_at":"2026-06-10T01:11:02Z","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/2606.10989/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large language model unlearning aims to suppress designated undesirable knowledge while preserving benign capabilities. Many unlearning objectives focus on suppressing undesired answers, while recent target-guided variants specify replacement behavior but still leave update locality largely unconstrained. This paper introduces \\emph{Null-Space Constrained Response-Specified Unlearning} (NSRU), a projection-constrained low-rank framework for controlled LLM unlearning. NSRU uses an explicitly structured safe target response to specify the desired behavior for each forget query, while suppressing","authors_text":"Bocheng Ju, Chengliang Liu, Jianhua Wang, Xiaolin Chang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-09T15:26:36Z","title":"Null-Space Constrained Low-Rank Adaptation for Response-Specified Large Language Model Unlearning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.10989","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":"sha256:0ba3270fb260ef04dad844aaa03011e983d5b93ff081b94447b205052313cfe0","target":"record","created_at":"2026-06-10T01:11:02Z","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":"cd5c5e7372e16f46e4f27cd64e8f9d884bb3dfb43e76e31916fb7d990f962a2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-09T15:26:36Z","title_canon_sha256":"c94973642413bf21c8da5aee48a1ad1fc71baebe1afefd2dbf1e5aaa5c14cc9c"},"schema_version":"1.0","source":{"id":"2606.10989","kind":"arxiv","version":1}},"canonical_sha256":"b48b0e0c5b933303dfd359011bd23546d3259d6fe2a421c9f416dc69d45a5fac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b48b0e0c5b933303dfd359011bd23546d3259d6fe2a421c9f416dc69d45a5fac","first_computed_at":"2026-06-10T01:11:02.248334Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-10T01:11:02.248334Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9+of8m03JxiS624Hi71/XkwyAYJEcisoeZ09HQysUzlCw4OVo9pI0LTsbChTh7YPQwj+p0Iz+iEy0a1yL1YMDg==","signature_status":"signed_v1","signed_at":"2026-06-10T01:11:02.249424Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.10989","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ba3270fb260ef04dad844aaa03011e983d5b93ff081b94447b205052313cfe0","sha256:404381f6c960bb8b00f9ccb58fb014d13f2523730f9983c9a3b895fdea524107"],"state_sha256":"6a4e064be355ddcb2318168264323511f424abc8d8b27d124980cd7efd49133f"}