{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000421},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000559","480:4800000866","480:4800000453","480:4800000943","480:4800000902","480:4800000297","480:4800000865","480:4800001184","480:4800000982","480:4800001064","480:4800001021","480:4800000901","480:4800001016","480:4800001020","480:4800001060","480:4800000452","480:4800000860","480:4800000671","480:4800000454","480:4800000983","480:4800001065","480:4800000455","480:4800000360","480:4800000746","495:4950001115"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,495],"twin_sims":[0.8809411213346684,0.8581633982287937,0.8462934112180075,0.8316556772009773,0.8144937399060336,0.7918720741289078,0.7725203366479018,0.7528504322083952,0.7287931794439569,0.7178660709691947,0.7126292015927344,0.7069348184086695,0.7055837546473714,0.6907969637402336,0.6830820101772862,0.6727692037411132,0.6610677654977628,0.6584603455613462,0.6511535045538175,0.6429762583099576,0.637186863633201,0.636841066678638,0.6218266399256015,0.6187637372398501,0.6176299974919538],"twin_dists":[0.06539396121972539,0.0718338024201717,0.07503310270238434,0.07885783227866884,0.08319847984958377,0.08872536461718405,0.09331044826372606,0.09786173183265388,0.10330783483809441,0.10574563204365892,0.10690714452408875,0.1081655380228285,0.10846343969712,0.11170856822907024,0.11339171137689491,0.1156324928665357,0.11816422013201328,0.11872701689140017,0.12030189935007488,0.12206094324395662,0.12330449852067593,0.12337873378836417,0.12659850844548662,0.12725470009519363,0.12749755470184274],"n_dims_used":42,"mean_confidence":0.9000685555594308},"coverage":{"mean_confidence":0.9000685555594308,"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}}