{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012098},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011964","490:4900012042","490:4900011892","490:4900011827","490:4900011768","490:4900011707","490:4900010999","490:4900011176","490:4900012169","490:4900011431","490:4900011901","490:4900011905","490:4900011625","490:4900011828","490:4900011246","490:4900011497","490:4900011174","490:4900011645","490:4900012165","490:4900011978","490:4900011367","490:4900011891","490:4900012033","490:4900011762","490:4900011831"],"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":[0.41888937877140775,0.39184222687765996,0.3472228047430739,0.3290505374515743,0.3160712499691273,0.31033295037128494,0.2825401544778571,0.26128209144429326,0.2444239644008563,0.2406963881983981,0.23009534086454006,0.2197994613690379,0.21113735633740757,0.20630029947776768,0.18536449727831014,0.1805118214440953,0.17628710148253812,0.1724051011120098,0.16418988679387203,0.15925382475942618,0.15438917776615674,0.15088103330560118,0.149438611808785,0.14913514546846257,0.14371378226482115],"twin_dists":[0.17133082595136495,0.17778066933493988,0.18890275354044525,0.19364315940326832,0.19711743822513106,0.19867906210166678,0.20649100838209405,0.21278456574611695,0.21800747086526048,0.2191932733975729,0.22263241523192928,0.2260741198809348,0.2290542970049854,0.23075465071642035,0.2384483658150867,0.24031757061672315,0.24197407516912067,0.24352130156317625,0.2468798661054216,0.24895661897481366,0.2510496841960122,0.2525892581014084,0.25322991304485043,0.2533652778194293,0.2558185603078429],"n_dims_used":45,"mean_confidence":0.8908309088812933},"coverage":{"mean_confidence":0.8908309088812933,"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}}