{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002828},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004082","490:4900002978","490:4900003116","490:4900003117","490:4900002382","490:4900001773","490:4900001231","490:4900002997","490:4900002534","490:4900002675","490:4900003806","490:4900003666","490:4900004364","490:4900002530","490:4900002081","490:4900001104","490:4900001363","490:4900003516","490:4900004216","490:4900002824","491:4910001275","490:4900001921","490:4900003138","490:4900002535","490:4900003948"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490],"twin_sims":[0.33531410919998,0.2136431296068735,0.1464387098713791,0.1339668678638093,0.10859137825033122,0.09329500048779926,0.08481239613256292,0.07714104338181177,0.07670261528405714,0.07624719286581066,0.07377469821094035,0.06761709035483962,0.061005880397789695,0.058258105499241535,0.054515317685112655,0.05361652507866924,0.05093665457033905,0.04905750908368474,0.04680025946392455,0.04391485270136641,0.041986319632080785,0.041425804847389024,0.04086983018360582,0.04040561347692467,0.03848678319565027],"twin_dists":[0.19199363925264665,0.2281838396693567,0.25457707333919694,0.2604080802773506,0.27367258865128363,0.28287538440507976,0.2885034542166196,0.293994063076585,0.29432088994453626,0.2946619821303035,0.2965429858750582,0.30145961261408405,0.3071626362677618,0.30968309628370616,0.31327888459337655,0.3141726907844821,0.31691357477508636,0.3189079613198132,0.3213897130010097,0.3247123316282033,0.327036824331514,0.32772927035879196,0.3284239542424477,0.32901012157752846,0.3314950765140553],"n_dims_used":45,"mean_confidence":0.9150704277886285},"coverage":{"mean_confidence":0.9150704277886285,"n_dims_used":45,"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}}