{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001418},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001877","480:4800001641","480:4800001368","480:4800001534","480:4800002383","480:4800001876","480:4800001475","480:4800001983","480:4800001700","495:4950002404","480:4800001533","480:4800002432","480:4800001649","480:4800001421","480:4800001819","480:4800001760","480:4800001589","480:4800002334","480:4800001476","480:4800001702","480:4800001252","480:4800001539","495:4950002505","480:4800001535","480:4800001985"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,495,480,480,480,480,480,480,480,480,480,480,480,480,495,480,480],"twin_sims":[0.4516270687987171,0.43078907212134554,0.38247167720726494,0.37101070320995694,0.34447561237241925,0.2680696820491256,0.24867909925500967,0.23734116661650292,0.22826269937203475,0.18553877530392365,0.17132681531783883,0.16881053936796211,0.14506768556108787,0.14254924569505417,0.139287155297848,0.13548152346723022,0.1342285592160954,0.1178829127481507,0.11743927428002042,0.11423756323609097,0.10987517555287363,0.10962732776722944,0.09950955198342001,0.09500396140539825,0.09150756077615488],"twin_dists":[0.16375504363096718,0.16855053725277225,0.18006250392327244,0.1828902441979786,0.1896107008502188,0.21074178234269983,0.21666801334537245,0.22027085600569957,0.22323744193946274,0.2383818804763598,0.24395548094545966,0.24497635279606123,0.25519955710806874,0.2563544572200521,0.2578731523319089,0.25967883330847097,0.26028164542199406,0.26856482746748317,0.268801530621739,0.27053046562007965,0.27294725338905573,0.2730867725087265,0.27900362959418434,0.2817909284090619,0.2840265470986932],"n_dims_used":43,"mean_confidence":0.9130376771438954},"coverage":{"mean_confidence":0.9130376771438954,"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}}