{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002221},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002222","490:4900002520","490:4900002371","490:4900002068","490:4900002821","490:4900002521","490:4900002673","490:4900007288","491:4910001805","490:4900002820","490:4900002674","491:4910001964","490:4900002819","490:4900002670","491:4910001401","490:4900003776","490:4900002818","491:4910001861","490:4900006320","490:4900002669","490:4900003916","490:4900003376","490:4900006930","490:4900007535","490:4900006542"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,491,490,490,491,490,490,491,490,490,490,490,490,490,490],"twin_sims":[0.7446407448677177,0.4943058310260926,0.44078356908541155,0.4354487730762299,0.41663300224845884,0.3504085988824383,0.34180563644602746,0.31587034021488974,0.3100383023639917,0.305768575274008,0.2905452681863952,0.28738340257317296,0.28691197931436846,0.28179323448851695,0.24574809483539875,0.23939910706315717,0.23708534451321184,0.23179037335552377,0.22177518551030975,0.20832261940372138,0.20015550502021218,0.19258922814894813,0.18889895056287545,0.18194686199703194,0.1786196937075329],"twin_dists":[0.09973369581842008,0.15417374756270166,0.16623947535092085,0.1674704312355628,0.1718617401643537,0.18808546650511654,0.19030162711317364,0.19717184046911188,0.19875969074423852,0.1999330524064375,0.20419605933162024,0.20509793322131886,0.20523290696797092,0.2067071248805867,0.2175890565382716,0.21960875001843524,0.2203534233692284,0.22207564227603827,0.2254054763766919,0.23004048368248495,0.23295448089385143,0.23572814855357105,0.23710849485281119,0.23976115006602344,0.24105602958230177],"n_dims_used":45,"mean_confidence":0.8991973029242621},"coverage":{"mean_confidence":0.8991973029242621,"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}}