{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001376},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003131","490:4900004493","490:4900003266","490:4900003519","490:4900003130","490:4900003267","490:4900003527","490:4900003518","490:4900001378","490:4900003521","490:4900003129","490:4900003794","490:4900003654","490:4900001510","490:4900003254","490:4900001516","490:4900003258","490:4900003952","490:4900003259","490:4900003139","490:4900004354","490:4900002993","490:4900002991","490:4900003125","490:4900002994"],"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":[0.6532268676491431,0.5462657533898412,0.5104469240713174,0.44596180997152407,0.35083357498608836,0.34209673803018625,0.339478488279634,0.31171854273586913,0.30776745723995186,0.30205350358296373,0.26273230380871104,0.25776142638880356,0.2391506002765351,0.2371819199082688,0.2353006049830696,0.23388560638860872,0.22918184493616225,0.228443755825596,0.22829544532870824,0.22510766926516732,0.2197872770647369,0.20763944066632328,0.20490301114897416,0.20231177329800623,0.1966925098740997],"twin_dists":[0.11985533558201852,0.1428205701939299,0.15061729861590303,0.16505018456356854,0.18797673772073872,0.190226157557289,0.1909061925822097,0.19830048929938981,0.1993825743770108,0.20096171614341055,0.2123453524194343,0.21385724989564794,0.2196885054797283,0.22032224653883156,0.220931078913292,0.2213911035050495,0.22293359649102618,0.2231775255247088,0.2232266031000277,0.22428661874396974,0.22607825586656735,0.23028121203886712,0.231250890523897,0.2321773252272987,0.23421477563195026],"n_dims_used":45,"mean_confidence":0.9143886142306857},"coverage":{"mean_confidence":0.9143886142306857,"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}}