{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000299},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000609","496:4960008163","490:4900000077","496:4960008274","490:4900000122","496:4960007789","490:4900000584","496:4960004973","496:4960006770","490:4900000696","490:4900000500","490:4900001591","490:4900000339","496:4960008166","490:4900000511","490:4900000102","490:4900000610","490:4900000135","496:4960008766","496:4960008492","496:4960007683","490:4900000784","490:4900001623","487:4870003532","490:4900000323"],"twin_admin_codes":[490,496,490,496,490,496,490,496,496,490,490,490,490,496,490,490,490,490,496,496,496,490,490,487,490],"twin_sims":[0.46967758401906234,0.40784600667500054,0.40685336409905026,0.38372072714388383,0.3537523949919398,0.34953367217562675,0.3488221761017635,0.3431066541023411,0.33588234569611825,0.3323016188469098,0.3288332433136205,0.3239462506056533,0.3064722159276899,0.28724713130517615,0.2779645111565812,0.27706962152277737,0.2768253858110307,0.27639948322796143,0.2734142936940231,0.2731364496874958,0.26915892679621706,0.2566297582584925,0.25552261224526573,0.2550267277277905,0.25156340314024755],"twin_dists":[0.15966733879875014,0.17394122719652158,0.1741773708024326,0.17975682496933576,0.1872318157889262,0.18830953124447575,0.18849195901709284,0.18996459701687418,0.1918448269756813,0.19278486231503478,0.19370069145525778,0.1950001889924821,0.199739038565306,0.2051369355661931,0.20782043183756627,0.20808198886774876,0.20815346324162234,0.2082781937268347,0.20915576110547884,0.20923773835374457,0.21041697279432584,0.21420400912418008,0.21454419146329087,0.21469685994973808,0.21576841084142276],"n_dims_used":45,"mean_confidence":0.9143047756618924},"coverage":{"mean_confidence":0.9143047756618924,"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}}