{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001574},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001197","487:4870001290","490:4900004550","490:4900002886","490:4900002458","490:4900002297","490:4900004143","490:4900002907","490:4900003858","490:4900004130","490:4900004014","490:4900001985","496:4960008014","490:4900004544","490:4900001986","490:4900004150","490:4900002581","490:4900002302","490:4900004305","490:4900003991","490:4900004283","490:4900002142","490:4900002296","487:4870000756","490:4900004154"],"twin_admin_codes":[487,487,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,487,490],"twin_sims":[0.8228804542107775,0.5142453691330392,0.3156046224995115,0.30967303597319845,0.30822569677227085,0.30259782007759295,0.3019174774949188,0.2926422751504666,0.290618911608945,0.2865280124670299,0.27425561002297877,0.2614242314784698,0.24593346073645822,0.24591249554450476,0.2421009611092416,0.24065689382902625,0.2363352420747747,0.23618384260731903,0.23456850465697895,0.23197871089198752,0.23014720679886144,0.22294936351248174,0.22124794773895134,0.2208822810758883,0.22049384260792323],"twin_dists":[0.08109501616733496,0.14978473162370143,0.1972438214782442,0.19885970466306493,0.19925666896998218,0.2008105431053823,0.20099951943831146,0.20360114155172496,0.20417512362020895,0.2053429392454809,0.20890784422067146,0.21274144956976213,0.21753059840642477,0.21753720869581752,0.21874506978882333,0.21920590065991988,0.22059585698952525,0.22064485033769776,0.22116886217712375,0.222013944116512,0.22261533863259067,0.2250099838876301,0.2255835182093241,0.2257071660605332,0.22583866412362677],"n_dims_used":43,"mean_confidence":0.9129024771756904},"coverage":{"mean_confidence":0.9129024771756904,"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}}