{"schema_version":"papers/paper-detail-v1","title":"reward-lens: A Mechanistic Interpretability Library for Reward Models","surface":"papers","opportunity_kernel":{"paper_id":"048473a5-163f-411a-be84-c174d007a73b","title":"reward-lens: A Mechanistic Interpretability Library for Reward Models","authors":["Mohammed Suhail B Nadaf"],"arxiv_id":"2604.26130v1","doi":null,"published_at":"2026-04-28T21:38:10.000Z","score_object":{"overall":{"value":7,"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":"2026-04-30T20:08:41.837Z","fresh_until":"2026-05-30T20:08:41.837Z","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":"2026-04-30T20:11:08.758Z","fresh_until":"2026-05-14T20:11:08.758Z","is_stale":true,"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":"2026-04-30T20:08:41.837Z","fresh_until":"2026-05-30T20:08:41.837Z","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":"2026-04-30T20:19:05.710Z","fresh_until":"2026-05-14T20:19:05.710Z","is_stale":true,"source_count":1,"missingness":[]},"team":{"value":1.95,"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":"2026-04-30T20:08:41.837Z","fresh_until":"2026-05-14T20:08:41.837Z","is_stale":true,"source_count":1,"missingness":["paper_author_affiliations"]},"methodology":{"value":3.9,"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":"2026-04-30T20:11:08.758Z","fresh_until":"2026-05-30T20:11:08.758Z","is_stale":false,"source_count":2,"missingness":[]}},"evidence_receipt":{"freshness":"stale","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":"2026-04-30T20:19:05.710Z"},"lineage_hash":"5ce19db34d76f9da6a9177a47e9099f8910e9464edaa6ac2359ae86d91e86e4e"},"distribution":null,"replication_evidence":[],"author_dna":[]}