{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003161},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002570","490:4900003424","490:4900003548","490:4900002268","490:4900003160","490:4900002118","490:4900002712","490:4900003155","490:4900002724","490:4900002563","490:4900002568","490:4900003555","466:4660004148","490:4900002573","490:4900003542","490:4900001961","490:4900002414","490:4900002117","490:4900002722","490:4900010372","490:4900002109","490:4900002110","490:4900003823","490:4900001661","490:4900001254"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5357507361746595,0.46178170334218616,0.44786215379664523,0.3941089584390477,0.30517737054834654,0.29816765976147036,0.20913978484900422,0.2052397993127173,0.195600080308495,0.17858251640049963,0.17430367840379693,0.1709698944057277,0.16011754880964682,0.1587473925921547,0.1402176816216476,0.13802999543156963,0.13520935622001878,0.131839868095892,0.13116516384979604,0.1303966792662951,0.12859572349135392,0.12468307668076248,0.11267441830004744,0.11163166440786257,0.10973490615515526],"twin_dists":[0.14509791044653791,0.16144845852854361,0.16461505823051384,0.17723255788858144,0.20009626403890235,0.20204558036235432,0.22975324838010572,0.23113107071697797,0.2346155283448385,0.24107059457801183,0.24276152387436228,0.24409962882113728,0.24858988251186245,0.2491723232613307,0.25743725952114976,0.2584655178708773,0.2598094186221578,0.2614426793710069,0.26177348802836825,0.2621518437507164,0.26304516664000677,0.2650190763310063,0.2713881397518967,0.2719653965856029,0.27302618425858355],"n_dims_used":45,"mean_confidence":0.9210106743706598},"coverage":{"mean_confidence":0.9210106743706598,"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}}