{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000913},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000389","477:4770003972","499:4990000591","499:4990000388","499:4990000520","499:4990000340","499:4990000527","499:4990000592","477:4770003843","499:4990001087","499:4990000908","499:4990000288","499:4990000996","499:4990000597","499:4990000334","499:4990000453","499:4990000992","499:4990000455","477:4770003879","477:4770003941","499:4990000845","499:4990000922","477:4770003594","477:4770003530","477:4770003977"],"twin_admin_codes":[499,477,499,499,499,499,499,499,477,499,499,499,499,499,499,499,499,499,477,477,499,499,477,477,477],"twin_sims":[0.9635620414252106,0.9322584965073839,0.9081005040529047,0.8997929642076468,0.8849745742155001,0.8666940627814718,0.8663152017372926,0.8652113082214965,0.8616327737591934,0.8611869847985076,0.8344779073261085,0.8338175079283653,0.8090271713617577,0.8034784556612543,0.8021329710946291,0.7983839124166684,0.7958214299207601,0.7921955573616513,0.7882254277390036,0.7765838659179896,0.7559368824288464,0.7493392330535551,0.7457461780242465,0.7451665638643795,0.7237085818288836],"twin_dists":[0.035386163220296474,0.048644938163737134,0.05702664931565819,0.05968310863320937,0.0642048722027323,0.06947234664431895,0.06957842172357667,0.06988683973620348,0.07088009239648588,0.07100313799725214,0.07812984272729515,0.078300576803274,0.0845527352045387,0.08591467922822207,0.08624309153635468,0.08715452993223423,0.08777448875517524,0.0886476866042391,0.08959855435033504,0.09235722387032332,0.09715399809424197,0.09866418434006867,0.09948249758474768,0.09961424142506331,0.10444468461275318],"n_dims_used":44,"mean_confidence":0.924308950250799},"coverage":{"mean_confidence":0.924308950250799,"n_dims_used":44,"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}}