{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004175},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002181","490:4900000202","490:4900004025","490:4900004187","496:4960008964","490:4900001291","490:4900005143","490:4900000675","490:4900002192","490:4900004599","496:4960009281","490:4900002336","490:4900000710","487:4870006431","490:4900000342","490:4900003613","496:4960006240","490:4900001200","496:4960008378","490:4900000731","490:4900002905","490:4900002781","490:4900003349","496:4960008683","496:4960009064"],"twin_admin_codes":[490,490,490,490,496,490,490,490,490,490,496,490,490,487,490,490,496,490,496,490,490,490,490,496,496],"twin_sims":[0.5554793365054647,0.4160260663055276,0.404098360969049,0.3685461644157063,0.3275935113746894,0.3262016116231698,0.3015976792518413,0.30062713566046434,0.2998418045569147,0.2995985030609839,0.2823992878043986,0.28122291982964076,0.27832768935348884,0.2777601249881853,0.276411020962017,0.26946810353016115,0.2540621951240345,0.24965451172313646,0.2451696587342609,0.2415964114171296,0.23847937910756703,0.22870073404699817,0.22853966292211408,0.22769087001011934,0.2274780783549027],"twin_dists":[0.1408313654293264,0.17200475909751733,0.17483411573196178,0.1835039000096726,0.19402933135199912,0.19439912851716173,0.20108843434028345,0.20135861590371043,0.2015776107358098,0.20164552501590916,0.20653174078974373,0.20687237527570967,0.20771442910078133,0.2078801242250701,0.2082748132213304,0.21032492558416666,0.214994351748084,0.2163630432073602,0.21777165844109359,0.2189058787269902,0.2199041962505333,0.22309253846510288,0.22314580002972853,0.22342688228481877,0.22349745806266197],"n_dims_used":45,"mean_confidence":0.899546644422743},"coverage":{"mean_confidence":0.899546644422743,"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}}