{"schema_version":"papers/paper-detail-v1","title":"Xetrieval: Mechanistically Explaining Dense Retrieval","surface":"papers","opportunity_kernel":{"paper_id":"3ee0ecfa-61cd-4c59-8ae6-61843c99e998","title":"Xetrieval: Mechanistically Explaining Dense Retrieval","authors":["Zhixin Cai","Jun Bai","Yang Liu","Jiaqi Li","Yichi Zhang","Taichuan Li","Zhuofan Chen","Zixia Jia","Zilong Zheng","Wenge Rong"],"arxiv_id":"2605.29507v1","doi":null,"published_at":"2026-05-28T07:29:58.000Z","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":"2026-05-29T20:14:12.215Z","fresh_until":"2026-06-28T20:14:12.215Z","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":"2026-05-29T20:34:22.513Z","fresh_until":"2026-06-12T20:34:22.513Z","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":"2026-05-29T20:14:12.215Z","fresh_until":"2026-06-28T20:14:12.215Z","is_stale":false,"source_count":2,"missingness":[]},"market":{"value":5.9,"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":"2026-05-29T20:47:39.030Z","fresh_until":"2026-06-12T20:47:39.030Z","is_stale":false,"source_count":1,"missingness":[]},"team":{"value":6.2,"scale":"0-10","confidence":0.42,"confidence_reason":"Heuristic fallback from paper author count and extracted affiliations.","model_version":"phase0-backfill-v1","pipeline_version":"phase0-kernel-v1","computed_at":"2026-05-29T20:14:12.215Z","fresh_until":"2026-06-12T20:14:12.215Z","is_stale":false,"source_count":2,"missingness":[]},"methodology":{"value":4.3,"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":"2026-05-29T20:19:09.952Z","fresh_until":"2026-06-28T20:19:09.952Z","is_stale":false,"source_count":2,"missingness":[]}},"evidence_receipt":{"freshness":"fresh","proof_status":"partial","repo_status":"active","references_count":0,"source_count":4,"coverage":0.8333,"missingness":["references"],"unresolved_unknowns":[],"last_verification_at":"2026-05-29T20:34:22.513Z"},"lineage_hash":"1edec0d86c536a2415445331e93c1ac1c15069a12bd1b442b575b2d3632c948a"},"distribution":null,"replication_evidence":[],"author_dna":[]}