{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010993},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011498","490:4900011224","490:4900011757","490:4900011148","490:4900011293","490:4900010994","490:4900011564","490:4900011225","490:4900010491","490:4900010747","490:4900008116","490:4900011366","490:4900009940","490:4900008325","490:4900011497","490:4900011154","490:4900011432","490:4900011150","490:4900009013","490:4900010133","490:4900011889","490:4900009015","490:4900010992","490:4900011431","490:4900011367"],"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":[0.5575282431824485,0.5490474811567474,0.5227561222100172,0.48492510885077844,0.47560314768230916,0.4741317352950981,0.35481219649975465,0.3103252397841991,0.30044908167624834,0.2838140354959403,0.2734854976288147,0.2678277011139077,0.25250771360517693,0.24247979698164654,0.2336285553950138,0.22988030207779375,0.21903486094732866,0.2145608086877008,0.21324834639172274,0.2004465911206465,0.19433298413996347,0.19274135011556287,0.18281613038017008,0.15872365835754265,0.14446809497255655],"twin_dists":[0.14038970919370336,0.14221942537960858,0.1479247296401276,0.15625588286769332,0.15833734775983707,0.15866709009353286,0.18696213107130374,0.19868117149824518,0.20140823811629266,0.2061232141020647,0.20913476078616955,0.21081405135578296,0.21547531585426785,0.21862447066049415,0.22147486799177832,0.22270324278052006,0.22633396329450323,0.22786678403972394,0.22832051938767928,0.23284923308483546,0.2350823061195017,0.23567164486815223,0.2394256081258024,0.24918244465153078,0.25547315844543933],"n_dims_used":45,"mean_confidence":0.8869352552625868},"coverage":{"mean_confidence":0.8869352552625868,"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}}