{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000274},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000273","480:4800000271","480:4800000272","480:4800000394","480:4800000283","480:4800000490","480:4800000675","480:4800000338","480:4800000302","480:4800000456","480:4800000427","480:4800000279","480:4800000540","480:4800000369","480:4800000370","480:4800000457","480:4800000303","492:4920005353","492:4920005111","492:4920004234","492:4920004003","491:4910001638","492:4920004084","480:4800000494","491:4910001641"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,492,492,492,492,491,492,480,491],"twin_sims":[0.3168225990645157,0.25215979228525587,0.10200000986535653,0.042400206576113146,0.04135603692715613,0.038299963883194635,0.03735305640086607,0.03494256007192812,0.034205052761152294,0.03420227283753078,0.03354015328900677,0.03218881305032452,0.030165669116828796,0.02766756567413503,0.027623171205441912,0.026973475989338847,0.026787513577241715,0.025706268552749413,0.024650236617471677,0.023211761491462604,0.02256708102629687,0.02125454860279326,0.021021397594881478,0.020750242979913385,0.019326635085326373],"twin_dists":[0.19691416146567806,0.2155832222534098,0.2775051829137588,0.3265304992364866,0.32781601163003293,0.3317425763220193,0.33301300313265864,0.33637490739115866,0.337442906283576,0.33744696889254455,0.3384227091303736,0.34046622521776,0.3436671720765286,0.3478840071183415,0.34796185937575763,0.349113699027756,0.34944778842548235,0.3514308789019781,0.3534385112306141,0.35629645596823223,0.3576274134925489,0.360442504158823,0.36095830188604155,0.36156447644958745,0.3648650806407749],"n_dims_used":42,"mean_confidence":0.9103726886567616},"coverage":{"mean_confidence":0.9103726886567616,"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}}