{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000897},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000358","480:4800000595","480:4800000552","480:4800000669","480:4800000668","480:4800001224","480:4800000816","480:4800000856","480:4800000557","480:4800000667","480:4800000592","480:4800000813","480:4800000741","480:4800000773","480:4800000418","480:4800000518","469:4690004394","480:4800002172","480:4800002438","480:4800002340","480:4800000704","480:4800001225","480:4800000778","480:4800001389","480:4800000483"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,469,480,480,480,480,480,480,480,480],"twin_sims":[0.6220421904836791,0.46701548724842823,0.39214965574824917,0.359243839690819,0.283950434036613,0.24076064019336174,0.2356349701748994,0.20543736916600852,0.2051213440839243,0.1910946636226208,0.1885101058117699,0.18332296926484506,0.18328325456607653,0.1797417749834797,0.1766461103440564,0.15319236252703702,0.15250778302961368,0.14967316176980192,0.1455792921314158,0.1448552604412151,0.14287010411537895,0.14255340152352927,0.1361527181668977,0.13481110675000058,0.1314154903161142],"twin_dists":[0.1265523232383358,0.1602666811410358,0.17770624462150889,0.18583890119865848,0.20608389227127138,0.21917273342295973,0.2208226395138038,0.23106084349453537,0.23117319842156667,0.23628494561812577,0.23725503629709294,0.23923048525080903,0.23924576086715338,0.2406174389159025,0.2418322187608233,0.25157200280005454,0.2518721161954131,0.25312542797570486,0.2549667658606499,0.2552963935319397,0.25620648084330505,0.2563525390159979,0.2593576339285425,0.26000085376636006,0.2616506032330998],"n_dims_used":43,"mean_confidence":0.9255948621173238},"coverage":{"mean_confidence":0.9255948621173238,"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}}