{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000308},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000372","494:4940008142","494:4940008541","494:4940008540","490:4900000371","494:4940008041","494:4940008040","494:4940008452","494:4940007837","494:4940008039","494:4940007933","494:4940008449","490:4900000630","490:4900000373","494:4940008244","494:4940007736","490:4900000448","490:4900000629","494:4940006870","490:4900000446","490:4900000979","490:4900000439","494:4940005809","494:4940007838","494:4940007940"],"twin_admin_codes":[490,494,494,494,490,494,494,494,494,494,494,494,490,490,494,494,490,490,494,490,490,490,494,494,494],"twin_sims":[0.5527662802810283,0.30544871173987537,0.28102786821357784,0.23134808161947196,0.2079075893097687,0.18671388873726846,0.16815982722067133,0.1676752265085037,0.10433518085924166,0.09693845248291554,0.07448032639955338,0.07326122131020842,0.07126921158443647,0.06887853312725149,0.06453407162582539,0.06387962964108178,0.06101122965738769,0.05174626470348006,0.047629895587106716,0.047376056882509635,0.04179882219928707,0.03872382145007378,0.03681546810266506,0.03656400222210234,0.03030882786589925],"twin_dists":[0.14141656037146613,0.2000213332272438,0.20692893865083078,0.22222066401061155,0.23018666153878584,0.2379347282706153,0.2452421287873653,0.24544053957897555,0.2761259070399226,0.28058174003765785,0.2960010388451144,0.296939993319344,0.2985018026770339,0.30042362007121953,0.3040595552982084,0.3046244653885713,0.3071578213857892,0.3160731481342939,0.3204661675269621,0.3207473013556958,0.32726758239189874,0.3311825058210115,0.3337464628496503,0.3340926747660256,0.34343472024072064],"n_dims_used":44,"mean_confidence":0.9090864008123224},"coverage":{"mean_confidence":0.9090864008123224,"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}}