{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000012},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000159","480:4800000053","480:4800000223","480:4800000070","480:4800000263","480:4800000144","480:4800000175","480:4800000192","480:4800000009","480:4800000101","480:4800000260","480:4800000016","480:4800000008","495:4950000192","480:4800000262","480:4800000218","480:4800000251","480:4800000114","480:4800000089","491:4910003525","495:4950000122","480:4800000116","491:4910002609","491:4910002960","480:4800004397"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,495,480,480,480,480,480,491,495,480,491,491,480],"twin_sims":[0.30408843674291086,0.22994240317881431,0.18915089728428083,0.1650894605216602,0.09426974519924704,0.06953393727321601,0.06787782732376957,0.06557779109239993,0.06500270235795008,0.03926375554883599,0.03447231016893517,0.0306937837244459,0.02256426019505958,0.021225436170657985,0.019894530038209516,0.01879979706844655,0.018489534956678082,0.015622968866090364,0.014064609290794205,0.009415419826910125,0.008824331946743936,0.008620035303296731,0.008387030203515184,0.008155487522858464,0.008142054428249165],"twin_dists":[0.20039736158264992,0.22268278398854552,0.23701365799772625,0.2465062770996984,0.2822549403090224,0.2998914313559165,0.30124419367010485,0.303168238181116,0.3036579073516914,0.3304765204379572,0.33705364045040465,0.34281428819118703,0.3576333092847874,0.3605066394776491,0.36352379198408147,0.3661405368528568,0.36690636281443145,0.3745708592954188,0.3792732467127562,0.39671953866045623,0.3994666626857873,0.40045450212760636,0.40160706120691136,0.40278114691052347,0.4028501749287595],"n_dims_used":43,"mean_confidence":0.9043408770893895},"coverage":{"mean_confidence":0.9043408770893895,"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}}