{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000349},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000408","480:4800000477","480:4800000762","480:4800000960","480:4800000583","480:4800001195","480:4800000726","480:4800000957","480:4800000648","480:4800000509","480:4800001140","480:4800000353","480:4800000316","480:4800000310","480:4800000508","480:4800000433","480:4800000475","480:4800000534","480:4800000463","480:4800000512","480:4800000602","480:4800000892","480:4800000843","480:4800000317","480:4800000406"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.4720103494292426,0.47143681791264375,0.4594964960895467,0.4139585803884236,0.3954333463416134,0.39322182561015107,0.3906080611921058,0.3699076646619123,0.36555747284413204,0.3621364408900355,0.3599898702788179,0.34781667621686707,0.34766979287129396,0.32827051588884504,0.3169866225118237,0.3091200546266517,0.3073846687882493,0.3020978028184242,0.29583873889324686,0.27698035540187155,0.27097712684991554,0.2499148440870156,0.24739785218014274,0.24547678657361705,0.24448370377913864],"twin_dists":[0.1591430867715881,0.15927189806546313,0.1619659271737612,0.17249261904212043,0.17691298781169826,0.17744689790145693,0.17807972022983243,0.18316464294484805,0.18425082251897007,0.1851095768494422,0.18565051547242695,0.18875010311995463,0.1887878456447478,0.19384977978520926,0.1968698213289742,0.1990112458183256,0.19948783167618997,0.2009494069903874,0.2026991506710476,0.20810810769465188,0.20987659800842975,0.21628177726316455,0.21706977198891983,0.21767466918332656,0.21798856228168692],"n_dims_used":43,"mean_confidence":0.9112555038097293},"coverage":{"mean_confidence":0.9112555038097293,"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}}