{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:Q4CMBSG6JI4DW3XNWKZ62VEHAN","short_pith_number":"pith:Q4CMBSG6","canonical_record":{"source":{"id":"2607.20561","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-18T05:19:19Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"c98ccec05389b79bca404da61ac2d17b2e1cd673528cb88c7d49c6c4674b4bd0","abstract_canon_sha256":"831dc5597389b3c3ec218f9cd33522289db719a993790a302ac2fb067f9e7564"},"schema_version":"1.0"},"canonical_sha256":"8704c0c8de4a383b6eedb2b3ed5487037117f54a99f8838dc3a1a1f453192178","source":{"kind":"arxiv","id":"2607.20561","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20561","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20561v1","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20561","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q4CMBSG6JI4D","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"pith_short_16","alias_value":"Q4CMBSG6JI4DW3XN","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"pith_short_8","alias_value":"Q4CMBSG6","created_at":"2026-07-24T00:23:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:Q4CMBSG6JI4DW3XNWKZ62VEHAN","target":"record","payload":{"canonical_record":{"source":{"id":"2607.20561","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-18T05:19:19Z","cross_cats_sorted":["cs.CV"],"title_canon_sha256":"c98ccec05389b79bca404da61ac2d17b2e1cd673528cb88c7d49c6c4674b4bd0","abstract_canon_sha256":"831dc5597389b3c3ec218f9cd33522289db719a993790a302ac2fb067f9e7564"},"schema_version":"1.0"},"canonical_sha256":"8704c0c8de4a383b6eedb2b3ed5487037117f54a99f8838dc3a1a1f453192178","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-24T00:23:22.812217Z","signature_b64":"nrEqECkZL64eBAs5EkaNhdPN4qbAiikvnojyjz9nfDY+kEQrLbwRC0q8fI4LBuE8RMrdwnNi5ysT84hRweNWDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8704c0c8de4a383b6eedb2b3ed5487037117f54a99f8838dc3a1a1f453192178","last_reissued_at":"2026-07-24T00:23:22.811347Z","signature_status":"signed_v1","first_computed_at":"2026-07-24T00:23:22.811347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.20561","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":"2026-07-24T00:23:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"09B0Apw8NocWb9FuqW2WqbVeu4fjjp8cTElNmcsq77fsGSEzjLxztGpLy8ausAAN7nlcVfTcIxI11J4JDfF2BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:25:16.335740Z"},"content_sha256":"b4ad4bfcc31a79bfc0b4823012a3375e44bda7980ab6c60f4ad487d736fa65d5","schema_version":"1.0","event_id":"sha256:b4ad4bfcc31a79bfc0b4823012a3375e44bda7980ab6c60f4ad487d736fa65d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:Q4CMBSG6JI4DW3XNWKZ62VEHAN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CT-Merging: Consensus Directions and Task-Level Scaling for LoRA Adapter Merging","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["cs.CV"],"primary_cat":"cs.LG","authors_text":"Joonhyuk Kang, Keumseo Ryum","submitted_at":"2026-07-18T05:19:19Z","abstract_excerpt":"LoRA adapters provide an efficient way to specialize a pretrained model for many downstream tasks, but deploying one adapter per task requires adapter storage and task selection at inference time. Model merging addresses this issue by combining independently trained adapters into one multi-task adapter. Recent SVD-based LoRA merging methods mainly focus on constructing shared or task specific directions, while the coefficients assigned to the final directions are often directly from the original task SVD. On a fixed merged basis, inherited coefficients preserve component order with high rank c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20561","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/2607.20561/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":"2026-07-24T00:23:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"niamLbUc6VqFAJAoHk4et/Path4jbZ4+3GLd75t3IWEwf9YFAPQrOzlV8Zc9JeVfivllqXfEDRfLh7NzgeJvDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:25:16.336388Z"},"content_sha256":"3d06836612d96fc43d0ebff8822759e0ae5e2fa34139025fc2a2498a844f61c6","schema_version":"1.0","event_id":"sha256:3d06836612d96fc43d0ebff8822759e0ae5e2fa34139025fc2a2498a844f61c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q4CMBSG6JI4DW3XNWKZ62VEHAN/bundle.json","state_url":"https://pith.science/pith/Q4CMBSG6JI4DW3XNWKZ62VEHAN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q4CMBSG6JI4DW3XNWKZ62VEHAN/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":"2026-08-12T18:25:16Z","links":{"resolver":"https://pith.science/pith/Q4CMBSG6JI4DW3XNWKZ62VEHAN","bundle":"https://pith.science/pith/Q4CMBSG6JI4DW3XNWKZ62VEHAN/bundle.json","state":"https://pith.science/pith/Q4CMBSG6JI4DW3XNWKZ62VEHAN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q4CMBSG6JI4DW3XNWKZ62VEHAN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:Q4CMBSG6JI4DW3XNWKZ62VEHAN","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":"831dc5597389b3c3ec218f9cd33522289db719a993790a302ac2fb067f9e7564","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-18T05:19:19Z","title_canon_sha256":"c98ccec05389b79bca404da61ac2d17b2e1cd673528cb88c7d49c6c4674b4bd0"},"schema_version":"1.0","source":{"id":"2607.20561","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20561","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20561v1","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20561","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"pith_short_12","alias_value":"Q4CMBSG6JI4D","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"pith_short_16","alias_value":"Q4CMBSG6JI4DW3XN","created_at":"2026-07-24T00:23:22Z"},{"alias_kind":"pith_short_8","alias_value":"Q4CMBSG6","created_at":"2026-07-24T00:23:22Z"}],"graph_snapshots":[{"event_id":"sha256:3d06836612d96fc43d0ebff8822759e0ae5e2fa34139025fc2a2498a844f61c6","target":"graph","created_at":"2026-07-24T00:23:22Z","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/2607.20561/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"LoRA adapters provide an efficient way to specialize a pretrained model for many downstream tasks, but deploying one adapter per task requires adapter storage and task selection at inference time. Model merging addresses this issue by combining independently trained adapters into one multi-task adapter. Recent SVD-based LoRA merging methods mainly focus on constructing shared or task specific directions, while the coefficients assigned to the final directions are often directly from the original task SVD. On a fixed merged basis, inherited coefficients preserve component order with high rank c","authors_text":"Joonhyuk Kang, Keumseo Ryum","cross_cats":["cs.CV"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-18T05:19:19Z","title":"CT-Merging: Consensus Directions and Task-Level Scaling for LoRA Adapter Merging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20561","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:b4ad4bfcc31a79bfc0b4823012a3375e44bda7980ab6c60f4ad487d736fa65d5","target":"record","created_at":"2026-07-24T00:23:22Z","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":"831dc5597389b3c3ec218f9cd33522289db719a993790a302ac2fb067f9e7564","cross_cats_sorted":["cs.CV"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.LG","submitted_at":"2026-07-18T05:19:19Z","title_canon_sha256":"c98ccec05389b79bca404da61ac2d17b2e1cd673528cb88c7d49c6c4674b4bd0"},"schema_version":"1.0","source":{"id":"2607.20561","kind":"arxiv","version":1}},"canonical_sha256":"8704c0c8de4a383b6eedb2b3ed5487037117f54a99f8838dc3a1a1f453192178","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8704c0c8de4a383b6eedb2b3ed5487037117f54a99f8838dc3a1a1f453192178","first_computed_at":"2026-07-24T00:23:22.811347Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T00:23:22.811347Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nrEqECkZL64eBAs5EkaNhdPN4qbAiikvnojyjz9nfDY+kEQrLbwRC0q8fI4LBuE8RMrdwnNi5ysT84hRweNWDw==","signature_status":"signed_v1","signed_at":"2026-07-24T00:23:22.812217Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20561","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4ad4bfcc31a79bfc0b4823012a3375e44bda7980ab6c60f4ad487d736fa65d5","sha256:3d06836612d96fc43d0ebff8822759e0ae5e2fa34139025fc2a2498a844f61c6"],"state_sha256":"f64e9530375e338fcc00c42c25300cb57252603a426a87205699a634fa6d1501"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k0+ZQlXIP/mnPDa66IdQCoXuchqxTGw7khpHvFjkkpNEhIYWbPWYqm0kPrUZgByX1F1wf95b8gqfzVrNch8BBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T18:25:16.340920Z","bundle_sha256":"b5f2a34ce6a2f18ddf9d8f3c8bb99358f9f166ab6f424f3a9f9d85a879265593"}}