{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000715},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001039","480:4800000685","480:4800000684","480:4800000840","480:4800000574","480:4800000720","480:4800000339","480:4800000564","480:4800000507","480:4800000644","480:4800000723","480:4800000403","480:4800000475","480:4800000762","480:4800000477","480:4800001141","480:4800000642","480:4800000380","480:4800000407","480:4800000995","480:4800000798","480:4800000536","480:4800000465","480:4800000972","480:4800000843"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5147589561198495,0.4643227654698017,0.3975683474610362,0.38344073834458386,0.37803930792416257,0.3406816250115013,0.33105798682626647,0.3286381569322643,0.3285859381538412,0.30652362831148794,0.3028782058687728,0.2692318172217991,0.25921473896885033,0.23542824685924296,0.21750700077496052,0.21392597672665942,0.21316445865207312,0.21058091678981364,0.20786066643032358,0.20383035790595605,0.20023356570630557,0.1931184062198082,0.18467128425876647,0.17856303345457963,0.17823970642834627],"twin_dists":[0.1496722788826686,0.16087411284961636,0.1763988559379533,0.1798253049265571,0.1811511304459979,0.19059335571038122,0.1931126397847145,0.19375236148318015,0.19376619486651536,0.19972487279011955,0.20073273328619176,0.21039526617325835,0.21341334049837118,0.22088967094261225,0.22685502340048905,0.22808601882444443,0.22834958459080465,0.22924854250073304,0.23020320076780343,0.23163341170043084,0.2329262461992635,0.23553172611594872,0.23871325588333364,0.24107822829324724,0.24120499916334526],"n_dims_used":43,"mean_confidence":0.9130660655886628},"coverage":{"mean_confidence":0.9130660655886628,"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}}