{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001491","480:4800001598","480:4800001318","480:4800001438","480:4800001490","480:4800001433","480:4800001319","480:4800001439","480:4800001497","480:4800001327","480:4800000849","480:4800001768","480:4800001501","480:4800001659","480:4800001709","480:4800001766","480:4800001548","480:4800001946","480:4800001546","480:4800001550","480:4800001492","480:4800001824","480:4800001328","500:5000005463","480:4800001390"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,500,480],"twin_sims":[0.3979332170403428,0.31263018180581975,0.26650662051146723,0.25748089279191827,0.23767147623903262,0.21087226075727897,0.20571698528688603,0.16210329222093356,0.15825985415937374,0.152190621946097,0.14154687033398528,0.135716136336019,0.12911577847987338,0.1288834096492245,0.12525216120089233,0.11709721866010572,0.11458229849366686,0.11053985495068869,0.10774822824682452,0.09897854823685842,0.0982310349532195,0.08964647581662628,0.08933898962088936,0.08818670504580271,0.08738022330288053],"twin_dists":[0.17631111816816736,0.19805193448798875,0.2112093163144638,0.21394311959154644,0.2201643333954544,0.22914679488086598,0.23096153141984493,0.24775215722693264,0.2493804541567411,0.2520114919789617,0.25681834287534805,0.2595664242926121,0.26278623971365156,0.26290183475622464,0.26472908283377516,0.2689845026809784,0.27034253190634516,0.27257428836500447,0.27415258364659256,0.27932691079140565,0.2797843174147888,0.2852441965636139,0.28544729873580504,0.28621337850015766,0.28675429776054856],"n_dims_used":43,"mean_confidence":0.9199769663256269},"coverage":{"mean_confidence":0.9199769663256269,"n_dims_used":43,"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}}