{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800003317},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800003601","480:4800003475","480:4800003778","480:4800003372","480:4800002959","480:4800003215","480:4800003779","480:4800003600","480:4800003594","480:4800003522","480:4800002731","480:4800002784","480:4800003796","480:4800003793","480:4800003579","480:4800003314","480:4800003660","480:4800003728","480:4800002928","480:4800003481","480:4800003126","480:4800003730","494:4940003624","480:4800003533","480:4800003721"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,494,480,480],"twin_sims":[0.5701782241654623,0.4745793701223226,0.47018074551295963,0.44096964500137237,0.4284293745063725,0.39100000420901077,0.3771938457814916,0.3703874548568848,0.368678823452783,0.3634956562415872,0.3566875026492604,0.3535209747326786,0.3526819328542464,0.34144641560968647,0.3155121392527394,0.3086468176636508,0.3034252482733095,0.292681347973487,0.285534662105723,0.27734377907019453,0.2738976243278102,0.2704739192028056,0.2703461437258987,0.266609616019577,0.26512550013843883],"twin_dists":[0.1376677275818632,0.1585667399251929,0.1595541872353746,0.16619664589103084,0.1690993130825744,0.17798470066453678,0.18135948368548102,0.18304523748950785,0.18347081674663476,0.18476789485190392,0.18648594584320818,0.18729076035386016,0.18750463917079327,0.1903948042782243,0.19726888257349054,0.19914105714232533,0.20058104407889155,0.20359008071415144,0.20562801208145154,0.20800180381728636,0.2090132773547617,0.2100259281086403,0.2100638736077264,0.21117845654154427,0.21162385010167487],"n_dims_used":43,"mean_confidence":0.917179639949355},"coverage":{"mean_confidence":0.917179639949355,"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}}