{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011160},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010673","490:4900010586","490:4900010847","490:4900011510","490:4900011159","490:4900011165","490:4900010593","490:4900010416","490:4900010678","490:4900011228","490:4900011298","490:4900010918","490:4900010757","490:4900011374","490:4900011844","490:4900010500","490:4900010927","490:4900010508","490:4900010776","490:4900011644","490:4900012168","490:4900011166","490:4900011450","490:4900010677","490:4900011238"],"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":[0.6257581499055982,0.5120924174868727,0.4884070895421255,0.487893205169164,0.4496034700429885,0.43690732945479566,0.4361039335800895,0.41721815515678456,0.3870293478691291,0.37279135181209594,0.35739818887603847,0.3544059995687586,0.3377122310502011,0.3256670864463774,0.3139679168285698,0.31036646794942896,0.3074873669227161,0.2810340129288058,0.2782229013756117,0.2717921246021266,0.26234928963303833,0.26204943824626464,0.25646833159656174,0.24847917872271716,0.2319801966906004],"twin_dists":[0.12575597449873915,0.15025643765444271,0.15548162478902336,0.1555957867021144,0.16421695659249796,0.1671332939903133,0.167318939075817,0.17172393879500764,0.17894939502055293,0.18244813039884936,0.18630582288110645,0.18706544547561238,0.1913665321558461,0.19454137208947206,0.19768795279367496,0.19866989299762072,0.19945958483791912,0.2069271563707388,0.20774500546723446,0.20963510469843868,0.21246120470398058,0.21255197625662672,0.21425355126343287,0.2167306145801146,0.22201345750952217],"n_dims_used":45,"mean_confidence":0.8898633321126302},"coverage":{"mean_confidence":0.8898633321126302,"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}}