{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002991},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002994","490:4900003129","490:4900003266","490:4900003127","490:4900003662","490:4900002990","490:4900003518","490:4900002697","490:4900002698","490:4900004357","490:4900002550","490:4900003398","490:4900003651","490:4900003792","490:4900003803","490:4900004356","490:4900001376","490:4900003519","490:4900004493","490:4900003254","490:4900003654","490:4900003257","490:4900003527","490:4900003794","490:4900003131"],"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":[0.5924367401709671,0.45859235860221054,0.44207771900374176,0.3951752698828458,0.3920272526833783,0.3793995939456206,0.36059864903383704,0.3567792898490224,0.32843847127616604,0.30944868349925375,0.26838066018191054,0.25537550263707076,0.24390417669646855,0.2407609592365354,0.22082891833059687,0.21422533154258425,0.20490301114897416,0.20264434713768287,0.20050709542571488,0.1938890775541427,0.1838580725194356,0.18350122454224266,0.18019634750958108,0.16586560726581576,0.16455589357710132],"twin_dists":[0.13289291387713956,0.16217091552747517,0.16594174367970435,0.176975221917382,0.17773587362475057,0.1808163799815027,0.18549693590008726,0.18646267205701136,0.193805267157814,0.19892116835296894,0.21064896629733154,0.21458946264796808,0.21817211897820754,0.21917263144062532,0.22572522177694312,0.22798258405443034,0.231250890523897,0.23205796771885148,0.23282736980391788,0.23524633405699216,0.23902489360148232,0.23916195097343723,0.2404403113985909,0.246185126824137,0.24672768700462602],"n_dims_used":45,"mean_confidence":0.9185980902777777},"coverage":{"mean_confidence":0.9185980902777777,"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}}