{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000268},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000270","495:4950000863","495:4950000854","495:4950000853","490:4900004192","495:4950000864","480:4800000421","480:4800000297","480:4800000559","491:4910001258","480:4800000453","480:4800000866","480:4800000943","491:4910002462","480:4800000902","480:4800000865","480:4800000671","480:4800000454","480:4800001064","480:4800000455","480:4800001184","480:4800000452","480:4800000360","480:4800000901","495:4950001115"],"twin_admin_codes":[480,495,495,495,490,495,480,480,480,491,480,480,480,491,480,480,480,480,480,480,480,480,480,480,495],"twin_sims":[0.5037117752253897,0.2472400211163186,0.1521004664251903,0.0707305919359779,0.03166147324526605,0.027091341742646623,0.026776901968298062,0.02449193454930458,0.022221524050657034,0.021691975324801844,0.021203002848728884,0.02094213803118362,0.019790239296959635,0.019469315139906986,0.019123820692271618,0.01909248163377908,0.01895461434965037,0.01841424091874411,0.018193833680888713,0.018122745474443525,0.017843224290827346,0.01783322531155186,0.01777410268269821,0.017233103228104868,0.01704194990878014],"twin_dists":[0.1520975030107209,0.21711935511132224,0.252051149565329,0.29893016942818373,0.3412835981087219,0.34890297431621037,0.34946691285020326,0.3537458439437922,0.3583544670385963,0.35948793046663485,0.3605561128137557,0.36113478153036505,0.3637675854931708,0.36452488657813087,0.3653524483341966,0.3654281591712721,0.3657625225019808,0.3670939062431083,0.3676467823279968,0.3678263524379276,0.36853846123600453,0.36856411516011295,0.36871606137190766,0.3701273934358756,0.3706353619045307],"n_dims_used":42,"mean_confidence":0.9000287737165179},"coverage":{"mean_confidence":0.9000287737165179,"n_dims_used":42,"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}}