{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009891},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009169","490:4900009168","490:4900009061","490:4900009585","490:4900011477","490:4900009584","490:4900009275","490:4900009788","490:4900009380","490:4900008610","490:4900012004","490:4900012074","490:4900011872","490:4900009589","490:4900010784","490:4900011875","490:4900011605","490:4900011937","490:4900008840","490:4900008952","490:4900011204","490:4900011472","490:4900009170","490:4900011482","490:4900012208"],"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":[0.6255350947201488,0.5256448129000945,0.5221227465977474,0.49135862308230294,0.48431574828744284,0.4783184217048991,0.46465609314477874,0.3925759614938773,0.3802387888543679,0.3758175212829774,0.3692563380712974,0.3616975336067534,0.3539749761492886,0.3508319865620312,0.3500888129090435,0.3295422124390666,0.32775916589639353,0.3243751664191071,0.3206481419362185,0.3040904851375813,0.30042127959945836,0.2951374140404633,0.2887531834531202,0.2779074544633933,0.26376461495711656],"twin_dists":[0.12580378460863614,0.1472950248310711,0.14806290466773406,0.15482662499825592,0.1563915565135974,0.15772972981498487,0.16079885380855968,0.17760308625199334,0.18061015381567988,0.18169914861499556,0.1833268620060542,0.18522004907524794,0.1871751414853969,0.18797714398573467,0.18816732822314025,0.19351305778565456,0.19398537843331778,0.19488570311530695,0.1958833553635469,0.20039679460155826,0.20141598788174525,0.20289655824372402,0.20470650016891206,0.20783709294497305,0.21203362919675048],"n_dims_used":45,"mean_confidence":0.9165110270182292},"coverage":{"mean_confidence":0.9165110270182292,"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}}