{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001744},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001565","491:4910001799","491:4910001859","490:4900003243","491:4910001864","491:4910001745","490:4900003773","491:4910001339","491:4910001338","491:4910001337","491:4910001965","491:4910001689","490:4900003916","490:4900004053","490:4900003777","491:4910001401","490:4900003772","490:4900002816","490:4900004614","491:4910001964","490:4900002521","490:4900003776","490:4900003376","490:4900004054","490:4900003239"],"twin_admin_codes":[491,491,491,490,491,491,490,491,491,491,491,491,490,490,490,491,490,490,490,491,490,490,490,490,490],"twin_sims":[0.21577390686572442,0.16529210891367715,0.15834790751982006,0.15511847864566594,0.14452308099283986,0.14101644888113374,0.12962173219441142,0.1204820375228372,0.11360638757562277,0.11061639356982181,0.10996910381909968,0.10095026179794682,0.08751114642862376,0.08457321477595817,0.08019599015377248,0.07961102007772337,0.07496849692984744,0.07120978507231336,0.06405692032273332,0.05996172729446373,0.05760382748695867,0.056170716531991634,0.05536318326669952,0.05514087236368492,0.051700970306251676],"twin_dists":[0.22744906368771495,0.24642232122847088,0.24934282951027303,0.250732852745986,0.25544803255402077,0.2570648043914354,0.2625350888959996,0.26719160076809145,0.27087568752745517,0.2725314524198956,0.2728944426629093,0.2781332625544069,0.28666621670207115,0.28866851866633114,0.29175729138400186,0.29218023362533646,0.29562852843277815,0.29854893576154895,0.304470963438818,0.30810919274257476,0.3102976440684471,0.31166411903473973,0.3124468400562219,0.31266397703994153,0.31611987682458387],"n_dims_used":45,"mean_confidence":0.8963296678331163},"coverage":{"mean_confidence":0.8963296678331163,"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}}