{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011453},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011639","490:4900011573","490:4900011777","490:4900011576","490:4900011164","490:4900011645","490:4900011843","490:4900012181","490:4900011455","490:4900011640","490:4900011703","490:4900010674","490:4900011249","490:4900011097","490:4900011838","490:4900011585","490:4900011434","490:4900011383","490:4900011575","490:4900012118","490:4900010997","490:4900010836","490:4900011318","490:4900011003","490:4900011301"],"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":[0.45034327987395306,0.3385014173187905,0.29506008412458173,0.28238497424285486,0.12031292067817352,0.10925381696376985,0.07354792948239686,0.07129846315597112,0.07046571294845361,0.07009121023237332,0.0547100162263141,0.050853766432793775,0.04959756999644176,0.04713611381341182,0.04625277452532047,0.04579198572314928,0.04350797815105621,0.04325180797713649,0.042913546542289016,0.042674050278515265,0.042435422007782206,0.0414384326753078,0.0414332346684829,0.04113210015734864,0.03581114650818734],"twin_dists":[0.16404799556195046,0.1911606867750686,0.20291834185461685,0.20653588032564435,0.2672802596781356,0.27329749201410025,0.29671804143771824,0.298478614012277,0.299141800251224,0.2994421217300361,0.31308687653760675,0.31700024362458457,0.3183283527448163,0.3210142055655556,0.32200669955309236,0.32253074144623245,0.3251954957887059,0.3255016499270975,0.3259082574061041,0.3261977773649132,0.32648761109598834,0.3277135835583908,0.3277200402454227,0.3280952644498495,0.3351414141450265],"n_dims_used":45,"mean_confidence":0.8919013129340277},"coverage":{"mean_confidence":0.8919013129340277,"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}}