{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000338},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000456","480:4800000369","480:4800000490","480:4800000427","480:4800000370","480:4800000675","480:4800000302","480:4800000494","480:4800000457","480:4800000394","480:4800000540","480:4800000371","480:4800000304","480:4800000460","480:4800000610","480:4800001031","480:4800000605","480:4800000573","480:4800000647","480:4800000303","480:4800000575","491:4910001414","480:4800000368","480:4800000336","492:4920004404"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,491,480,480,492],"twin_sims":[0.5078659521841786,0.47991196006532244,0.45236226567543913,0.430039237020821,0.42888541074237935,0.2639380079829015,0.26288582857194454,0.2377423766660928,0.22322495804195072,0.21417279656410318,0.21021962423344273,0.20830120301615437,0.19145602400505365,0.1907250549803931,0.1771363716290694,0.16424764512682444,0.12996753159105143,0.12130745445163901,0.11225281096679678,0.10309038226068988,0.0979850393039012,0.09444807205039726,0.09224982186830101,0.08820969055584435,0.08723184677154253],"twin_dists":[0.15118391570604559,0.1573736497924883,0.16358741593144863,0.1687247871177993,0.16899316032982853,0.21198134518815312,0.21229894467108143,0.22014148107607673,0.22491735821528464,0.22800072916964165,0.2293748515048053,0.23004802189573267,0.23615004395370026,0.23642311078926545,0.2416388310989604,0.24685583492927668,0.26236386288490593,0.2667602374276231,0.2716210384948986,0.2768581195145987,0.27993544025859995,0.2821419797029182,0.2835463712854589,0.2861980194679379,0.28685424783649044],"n_dims_used":42,"mean_confidence":0.9111791338239398},"coverage":{"mean_confidence":0.9111791338239398,"n_dims_used":42,"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}}