{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001401},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001576","480:4800001397","480:4800001344","480:4800001611","480:4800001524","480:4800001521","480:4800001279","480:4800001568","480:4800002075","480:4800001680","480:4800001455","480:4800001436","480:4800002536","480:4800001619","480:4800001577","480:4800001403","480:4800001518","480:4800001799","480:4800002021","480:4800001457","480:4800001437","480:4800001399","480:4800001336","480:4800002168","480:4800001837"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5337179690114019,0.39136645198896597,0.3601899642556284,0.34108934259851065,0.3264043707394056,0.3033199208892543,0.3001404835887604,0.28866971620786613,0.284107698116307,0.2774094505883397,0.25923168539127744,0.25193050364830916,0.24982605013975734,0.23799814555152085,0.22630443901282965,0.21921005036250932,0.21545347240991466,0.21499790444462372,0.20951113628265555,0.20939749961105178,0.20880556643424908,0.20824283096272295,0.19863102138022246,0.19380000708913586,0.19203477847984424],"twin_dists":[0.1455391523674332,0.17789590223791807,0.1856000221831775,0.19048747628576865,0.19434520565149663,0.20061023791540797,0.20149428263012012,0.20473032022982374,0.20603856932166972,0.20798260352453757,0.2134081735332952,0.21565438706096804,0.21630948929784283,0.22005907965528831,0.22388750257357354,0.2262743729166798,0.22755924839314906,0.22771609054631126,0.22962297000205742,0.22966281959386048,0.22987063431548446,0.2300685705717254,0.2335074182282612,0.23527927792346237,0.235934355064299],"n_dims_used":43,"mean_confidence":0.9201592733693678},"coverage":{"mean_confidence":0.9201592733693678,"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}}