{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012504},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012577","490:4900012019","497:4970000569","490:4900012087","490:4900012431","490:4900011751","490:4900011686","490:4900011427","490:4900011622","490:4900012650","490:4900012223","497:4970000636","490:4900011141","497:4970000216","491:4910003014","497:4970000568","490:4900012155","490:4900002367","491:4910005808","491:4910002467","491:4910001971","490:4900006308","490:4900002218","490:4900012720","491:4910002965"],"twin_admin_codes":[490,490,497,490,490,490,490,490,490,490,490,497,490,497,491,497,490,490,491,491,491,490,490,490,491],"twin_sims":[0.034736407854670186,0.021847928900727093,0.004340753385563558,0.003519269656478652,0.0026359393731375537,0.0017161245964215476,0.0017047102800733728,0.0015561804887893264,0.0010542524261299797,0.000901708720778571,0.0008951998322452032,0.0007529912417182557,0.0006446181721404934,0.0004956019463892726,0.0001522453034216716,0.00012993161393709128,0.00012113133415597178,0.00007618767957256408,0.00006204804803215621,0.0000416892166772949,0.000030575391271248025,0.000023602507906447998,0.0000198733564514312,0.000013035542740376177,0.000011442453015301182],"twin_dists":[0.3366714931171978,0.3591516464099006,0.42837746061069754,0.43655997855155304,0.4475873431419903,0.46347860021581294,0.46372140300111875,0.4670255093111629,0.48088379897835004,0.48633509558159466,0.48658629156512323,0.4925465560828312,0.49783967139738194,0.5066682394791753,0.5445449236298261,0.5494320895983402,0.5515809442391847,0.5655824655799997,0.5716720731727952,0.5832873621491867,0.5921853681943664,0.5995127199285474,0.6043318380192505,0.6159893913222513,0.6195484106085171],"n_dims_used":44,"mean_confidence":0.8874066959727894},"coverage":{"mean_confidence":0.8874066959727894,"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}}