{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004823},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003996","490:4900004270","490:4900002447","490:4900004552","490:4900003178","490:4900002596","490:4900002589","490:4900003319","490:4900004133","490:4900004417","490:4900002728","490:4900012914","490:4900004407","490:4900005110","490:4900004958","490:4900004687","490:4900002587","490:4900004824","490:4900003852","490:4900002743","490:4900004689","466:4660003950","490:4900004414","490:4900005364","493:4930007165"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,493],"twin_sims":[0.446908257467237,0.4428718234797935,0.37441202418612407,0.27427699257730337,0.2613351864929242,0.25881252970842455,0.25672547799394113,0.23162024577224005,0.21802717768495156,0.21415092064578686,0.1948577006157507,0.18713545749361193,0.18565660297456177,0.1731918095469961,0.17100590236422405,0.17027787393406096,0.1642874440040298,0.16062730547823262,0.15475719244442807,0.1529889203383598,0.13636442763430592,0.12454464142257024,0.11736848662681773,0.11575935567685683,0.11513108665549845],"twin_dists":[0.16483338648865456,0.16575921958530723,0.18204664157089265,0.20890154935274563,0.2127684583898995,0.21353603661876533,0.21417464186857865,0.22213140333484904,0.22667734753960397,0.2280082858042978,0.23488875348120705,0.23777479537042198,0.23833695526610982,0.24320575249487508,0.24408507668847315,0.24437972758127646,0.24683927959649266,0.24837411485762895,0.25088967032558873,0.2516610870521749,0.2592565668262089,0.2650897720391005,0.26883936272357756,0.2697041136883355,0.2700442532195407],"n_dims_used":45,"mean_confidence":0.9220288594563802},"coverage":{"mean_confidence":0.9220288594563802,"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}}