{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010677},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010512","490:4900010759","490:4900010846","490:4900010917","490:4900011159","490:4900011158","490:4900010765","490:4900010848","490:4900010424","490:4900010421","490:4900010775","490:4900011009","490:4900010776","490:4900010672","490:4900010927","490:4900010758","490:4900011007","490:4900011247","490:4900011900","490:4900011160","490:4900010931","490:4900010847","490:4900010666","490:4900011005","490:4900012118"],"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":[0.6884778490835723,0.5393709565631071,0.5370137704133647,0.525101866859738,0.5063998185840701,0.49378500407966386,0.4747536561904473,0.4022889228485788,0.361482590616512,0.35995516735844096,0.354724910872891,0.32590312539842714,0.32461148778305826,0.3238975314403073,0.30508811130543206,0.29150569951820404,0.2799274055219097,0.2550801853766001,0.2528154070975287,0.24847917872271716,0.24829115375285574,0.24216323475395407,0.24129565731908634,0.23239592765532907,0.23121029392825107],"twin_dists":[0.11221518474466893,0.1443129062989679,0.14482391856413873,0.14741332188524892,0.15150612023356164,0.15428904018549705,0.15852767714270397,0.1752665454639343,0.1852741747171307,0.18565927413842917,0.18698432661992911,0.19447854335326098,0.19482266035866874,0.19501319840587775,0.200120921385863,0.20392327073189329,0.20724851076778245,0.2146803928431541,0.21537996480890476,0.2167306145801146,0.21678952041385705,0.2187252371259706,0.2190018379279096,0.22187738383718417,0.22226588009516285],"n_dims_used":45,"mean_confidence":0.8930273267957899},"coverage":{"mean_confidence":0.8930273267957899,"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}}