{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001230},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001776","490:4900001633","490:4900004495","490:4900001103","490:4900003668","490:4900001498","490:4900001775","490:4900001921","490:4900001929","490:4900003533","490:4900001364","490:4900001635","490:4900001362","490:4900001497","490:4900002528","490:4900001769","490:4900003401","490:4900002677","491:4910001208","490:4900001371","490:4900003666","490:4900002824","490:4900001771","490:4900003117","490:4900002690"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490],"twin_sims":[0.2630867069808424,0.2622702398970432,0.15906412984017373,0.14322941831240907,0.10903154488130139,0.10286274605453857,0.09846394692752605,0.09733282516177029,0.08493776474336089,0.07951172220625827,0.06726279269165283,0.059878248578400226,0.059245330437382136,0.05862239079183832,0.05775987325048588,0.05276111551644384,0.05237741921972098,0.04985957830147009,0.04701776139407614,0.043940969986238435,0.042225089528719256,0.04180233958278444,0.03730380514402941,0.036296822059904046,0.035084894379464736],"twin_dists":[0.21223824838011746,0.21248512847136206,0.24903735701609475,0.2560410618884831,0.27342315363714437,0.27699276380864973,0.27964150567381535,0.28033756226992945,0.2884170827324361,0.2922522748453969,0.3017534175416952,0.3081854521467334,0.3087664977774092,0.3093433932333058,0.31015055336513103,0.3150349677636275,0.3154255184689358,0.31804905142211626,0.3211462752918358,0.3246814459565827,0.32674421702829715,0.32726324543619434,0.3330798253030618,0.3344627434591174,0.3361710025209545],"n_dims_used":45,"mean_confidence":0.9122940063476562},"coverage":{"mean_confidence":0.9122940063476562,"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}}