{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990003213},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001701","499:4990003214","499:4990002328","499:4990002141","499:4990001792","499:4990002238","499:4990002945","499:4990002654","499:4990002641","499:4990001972","499:4990003279","499:4990002657","499:4990002312","499:4990002875","499:4990002323","499:4990002637","499:4990002636","499:4990002133","499:4990002948","499:4990002410","499:4990001961","499:4990000908","499:4990003298","499:4990001609","485:4850000759"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,485],"twin_sims":[0.9538432300760451,0.9245055207946672,0.8857002724476656,0.8840063273023915,0.8603074514328244,0.8419732833561266,0.8350017278938942,0.8348851156457073,0.8271927825367342,0.7795497478372048,0.7791577518708039,0.7770698541267539,0.7612211553128236,0.7533628721514084,0.7484442207424346,0.7402554218280247,0.7349037904005148,0.7053372495405312,0.7020010347210807,0.7015286635728558,0.699856535457907,0.6880439051913694,0.682056773936035,0.6802238181140592,0.6775980067374299],"twin_dists":[0.03992703804271391,0.0514592339572652,0.06398916873976626,0.06449182027946744,0.07124546756047764,0.0761749010218593,0.07799424912651944,0.07802444782063221,0.08000047047018502,0.09165841170641671,0.09175092480476645,0.09224289728846151,0.09593696636026684,0.09774438219043442,0.09886828726010255,0.10072768972711872,0.10193545382005499,0.10851776583010588,0.10925222215476642,0.10935609517886374,0.1097235617697541,0.11230991600138986,0.11361492277116655,0.11401373313885825,0.11458449652110311],"n_dims_used":44,"mean_confidence":0.9323036887428977},"coverage":{"mean_confidence":0.9323036887428977,"n_dims_used":44,"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}}