{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800006434},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800006430","480:4800006428","480:4800006429","480:4800006433","480:4800006432","467:4670000084","472:4720002840","467:4670000067","480:4800006427","480:4800002282","467:4670000048","467:4670000006","467:4670000069","467:4670000108","480:4800001930","480:4800002509","480:4800002094","467:4670000005","467:4670000107","480:4800001430","480:4800002330","467:4670000063","480:4800002512","480:4800002187","472:4720002841"],"twin_admin_codes":[480,480,480,480,480,467,472,467,480,480,467,467,467,467,480,480,480,467,467,480,480,467,480,480,472],"twin_sims":[0.8565324994407167,0.6032094493592365,0.5194156819005049,0.46484616386896477,0.43975492546584205,0.31709473471303423,0.310482676535735,0.30752122238723234,0.3002362191867672,0.29381413636777975,0.28382171420586383,0.2821900203388385,0.2809342244865439,0.278684848498954,0.27630085221045086,0.27613153434574267,0.2694074952468025,0.26565384057956426,0.2632718065127817,0.2610283365555054,0.25968928501271027,0.25931508823431965,0.259274543027556,0.2511092518936038,0.2506756845735659],"twin_dists":[0.07227909439445723,0.1305856546438282,0.14865390788292787,0.1607559478636053,0.16647636767553262,0.19684060265519557,0.19863810724424022,0.1994502741770176,0.20146758373059614,0.20326978768440776,0.2061210001325495,0.20659227436527114,0.20695610302013334,0.20761026530599944,0.20830709570333295,0.20835672584969336,0.21034296455627702,0.2114651139038198,0.21218234540495948,0.21286157532325964,0.21326873169656235,0.21338274710055077,0.21339510718673996,0.21590962007790837,0.21604458130225662],"n_dims_used":42,"mean_confidence":0.9112762269519624},"coverage":{"mean_confidence":0.9112762269519624,"n_dims_used":42,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}