OPS Eval: Leakage Resistant Evaluation for Optical Pooled Screens Benchmark artifacts for evaluating representation learning on pooled CRISPR microscopy data. This dataset accompanies a submission to the NeurIPS 2026 Evaluations and Datasets Track. Contents Directory/File Description Size montages/ Per gene montage images (4 channels x 2 phases, ~10 PNGs per gene) ~66 GB cell embeddings/ Pre extracted 512 dim cell embeddings per sgRNA (.npz) ~15 GB splits v1.json Gene disjoint train/val/test split (3,628 / 694 / 1,000 genes) 1.4 MB splits v1 random.json Random image level split (comparison, demonstrates leakage) 1.4 MB splits v1 sgrna disjoint.json Guide disjoint split (comparison) 1.3 MB gene metadata.parquet Per gene metadata: cluster labels, mitotic index, guide count, 98 dim features 1.9 MB sgrna metadata.parquet Per sgRNA metadata 48 KB leakage audit v1.json Formal verification of zero gene overlap across splits 99 KB manifest v1.json SHA 256 checksums for all montage images 4 KB external gene pairs v1.json STRING + CORUM gene relationships for co functional retrieval 14 MB results/ All experiment results (baseline ladder, ablations, split sensitivity) 2.4 MB idr0071/ External…
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