{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010622},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010176","490:4900011323","490:4900011732","490:4900010620","490:4900011258","490:4900010447","490:4900010793","490:4900010178","490:4900010524","490:4900010959","490:4900010706","490:4900010964","490:4900010953","490:4900012059","490:4900010452","490:4900010952","490:4900010362","490:4900010951","490:4900009374","490:4900011022","490:4900010537","490:4900010871","490:4900010610","490:4900010876","490:4900012057"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4236866640386168,0.3919727529681453,0.38407572968934267,0.3793451322103493,0.3552386296426358,0.34924522818935283,0.34861353704636305,0.3360809158897742,0.31938096383941267,0.3088141107397272,0.3011732052993624,0.28859567437417305,0.2852618264567621,0.26538361900275015,0.2583457764925522,0.25020661264059135,0.25014409371488106,0.24365804294775795,0.23529423899695906,0.23216415056305462,0.23180240394636561,0.22361163936784154,0.213868508244664,0.21280719337559198,0.2116631716794021],"twin_dists":[0.17020606249746165,0.1777490672651732,0.17967003239855303,0.180829771185508,0.18685373550493173,0.1883834648470653,0.18854549116045835,0.19179285670653048,0.19622403106654354,0.19909515473830178,0.20120653761220847,0.20475145389171112,0.2057064150450427,0.2115462754901303,0.21367857293156314,0.21619076242712032,0.2162102589859348,0.2182501634103397,0.22093314447115983,0.22195322746373852,0.22207170014631453,0.22478752534714838,0.22810588684749233,0.2284734556626364,0.2288710609442913],"n_dims_used":45,"mean_confidence":0.9198006523980035},"coverage":{"mean_confidence":0.9198006523980035,"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}}