{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001552},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001433","480:4800001438","480:4800002056","480:4800001439","480:4800001492","480:4800001946","480:4800001598","480:4800002300","480:4800001319","480:4800001498","480:4800001501","480:4800001709","480:4800001948","480:4800001318","480:4800001659","480:4800001766","480:4800002442","480:4800001491","480:4800002496","480:4800001546","480:4800002348","466:4660004540","480:4800001550","480:4800002116","480:4800001512"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,466,480,480,480],"twin_sims":[0.6755712109516862,0.4703862438035493,0.45553984748542786,0.4453902215029345,0.3641046943070726,0.3489048113343356,0.34418153633398507,0.32126701138469543,0.30987753210258295,0.29119319954641837,0.2823466835752751,0.26444978901737426,0.2533740505308912,0.24098234413274883,0.2391751620181468,0.23842289722965646,0.2318923203844045,0.21426510206358995,0.19971777155768983,0.18276159008301707,0.179988762763204,0.1739285704560129,0.16714557631501425,0.1651231724062508,0.16061444602719213],"twin_dists":[0.11502462225212322,0.15950798629106305,0.16286406586380517,0.16518120034069972,0.1846150036348063,0.18847076130373966,0.18968666076474505,0.19571724914932806,0.19880370306731515,0.20401197045924047,0.2065469547545434,0.21182715044432646,0.21520703552300374,0.21910188675922918,0.21968062026482682,0.21992236420219582,0.22204224099559622,0.22796884966842218,0.2331129506783806,0.23944662779165785,0.24052115899767884,0.24291116516585906,0.24565786784849697,0.24649230533181243,0.2483795518290043],"n_dims_used":43,"mean_confidence":0.9205936165743096},"coverage":{"mean_confidence":0.9205936165743096,"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}}