{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010476},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012154","491:4910003893","490:4900010562","491:4910003734","490:4900011141","490:4900011427","491:4910005519","491:4910005618","497:4970000440","497:4970000636","497:4970000216","497:4970000568","497:4970000502","497:4970000566","491:4910005667","491:4910002518","490:4900012223","491:4910005569","490:4900007990","490:4900012790","491:4910003062","490:4900012577","491:4910005808","490:4900006669","497:4970000381"],"twin_admin_codes":[490,491,490,491,490,490,491,491,497,497,497,497,497,497,491,491,490,491,490,490,491,490,491,490,497],"twin_sims":[0.39664366378119603,0.3752659619821068,0.36573432780395937,0.2602553577461687,0.045718196389649655,0.04516767539723929,0.04485821905651457,0.04140689775553899,0.03364678444674159,0.02327014354247717,0.022437637504017945,0.018765258625515504,0.018189438249494858,0.017940075505365933,0.017155831228486886,0.01623402882610674,0.012442108361605034,0.010898791605952954,0.0074243170700148365,0.0064559686830515705,0.006385215036289262,0.005654559584097349,0.004264349482566372,0.004087668038987748,0.0037591711103644207],"twin_dists":[0.1766213738767121,0.1818354392531439,0.184206538503414,0.21309644916177092,0.32261506988573113,0.3232478461101609,0.32360638387967455,0.32775276505317236,0.33826446799923054,0.356177514214209,0.3578986235005634,0.36622523979232807,0.36765786744105244,0.368290623936819,0.37033213712236973,0.3728391258599489,0.384685895375702,0.3904495989868395,0.406695671643143,0.4124512000550759,0.4129016185440987,0.41783644462797037,0.42907612394859024,0.4307363540283464,0.43400458040764883],"n_dims_used":44,"mean_confidence":0.8830748471346769},"coverage":{"mean_confidence":0.8830748471346769,"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}}