{"schema_version":"papers/paper-detail-v1","title":"When Gradients Collide: Failure Modes of Multi-Objective Prompt Optimization for LLM Judges","surface":"papers","opportunity_kernel":{"paper_id":"e7990494-a729-4db8-8349-b7e96ac8a872","title":"When Gradients Collide: Failure Modes of Multi-Objective Prompt Optimization for LLM Judges","authors":["Parth Darshan","Abhishek Divekar"],"arxiv_id":"2605.26046v1","doi":null,"published_at":"2026-05-25T17:08:55.000Z","score_object":{"overall":{"value":0,"scale":"0-10","confidence":0.85,"confidence_reason":"Backfilled from persisted papers.viability_score.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-26T23:53:35.015Z","fresh_until":"2026-06-25T23:53:35.015Z","is_stale":false,"source_count":1,"missingness":[]},"technical":{"value":1.4,"scale":"0-10","confidence":0.55,"confidence_reason":"Backfilled from paper_extraction_scorecards.reconstruction_score.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-26T23:54:15.646Z","fresh_until":"2026-06-09T23:54:15.646Z","is_stale":false,"source_count":1,"missingness":["reproducibility_results.reproducibility_score","deployability_scores.score"]},"commercial":{"value":5,"scale":"0-10","confidence":0.75,"confidence_reason":"Backfilled from persisted commercial_flags and repo availability.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-26T23:53:35.015Z","fresh_until":"2026-06-25T23:53:35.015Z","is_stale":false,"source_count":2,"missingness":[]},"market":{"value":5.5,"scale":"0-10","confidence":0.45,"confidence_reason":"Heuristic market score materialized from paper metadata, repo availability, and deployability.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-27T00:03:44.862Z","fresh_until":"2026-06-10T00:03:44.862Z","is_stale":false,"source_count":1,"missingness":[]},"team":{"value":2.5,"scale":"0-10","confidence":0.28,"confidence_reason":"Heuristic fallback from paper author count.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-26T23:53:35.015Z","fresh_until":"2026-06-09T23:53:35.015Z","is_stale":false,"source_count":1,"missingness":["paper_author_affiliations"]},"methodology":{"value":3.8,"scale":"0-10","confidence":0.82,"confidence_reason":"Backfilled from paper_extraction_scorecards.total_score.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-26T23:54:15.646Z","fresh_until":"2026-06-25T23:54:15.646Z","is_stale":false,"source_count":2,"missingness":[]}},"evidence_receipt":{"freshness":"fresh","proof_status":"unverified","repo_status":"active","references_count":0,"source_count":4,"coverage":0.6667,"missingness":["references","proof_status"],"unresolved_unknowns":["proof verification has not been recorded yet"],"last_verification_at":"2026-05-27T00:03:44.862Z"},"lineage_hash":"a49f66d1e04b592f9dc4ccb31d663bbd14a8c5e2bc6cdfe32a6c4b5954f681ad"},"distribution":null,"replication_evidence":[],"author_dna":[]}