{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003778},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002964","490:4900003498","490:4900002966","490:4900003369","490:4900002967","490:4900007425","490:4900003504","490:4900003775","490:4900003912","490:4900003773","490:4900004195","490:4900003777","490:4900005290","490:4900003375","490:4900003239","490:4900003772","490:4900003238","490:4900005304","490:4900004193","490:4900003501","490:4900004209","490:4900004068","490:4900003245","490:4900007667","490:4900007531"],"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":[0.534593205627939,0.5186652015804195,0.46147301234430455,0.34338657748209206,0.3425417042245601,0.34180627811491543,0.3233467139663303,0.32054982678488814,0.3057959942217439,0.2775361510968256,0.26686207759087716,0.2562344744080445,0.2556095073468898,0.2442434582840894,0.2307252305539424,0.22172349236015726,0.2195210658392931,0.21870296631607292,0.21734452463528714,0.21168874406760665,0.21035879361027982,0.20040531344597634,0.1992659436183737,0.1838688741551279,0.1828716562773065],"twin_dists":[0.14534912801383557,0.14881788003257174,0.16151830625859473,0.18989217164203812,0.19011086404229335,0.19030146071952866,0.19516035830019485,0.19590975993972437,0.19992548739176036,0.20794556810247447,0.2111028447087362,0.21432535746417888,0.2145174583147214,0.21806462240621266,0.22242519871941996,0.22542292001574166,0.22616866015585518,0.22644694439752552,0.22691057860198174,0.22886215735717205,0.2293261800102483,0.23286415141580435,0.2332767744075748,0.23902074785834215,0.23940421315860239],"n_dims_used":45,"mean_confidence":0.8988065931532118},"coverage":{"mean_confidence":0.8988065931532118,"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}}