{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005016},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006669","491:4910002417","490:4900005939","490:4900006425","490:4900007651","491:4910003062","491:4910002018","491:4910001910","490:4900006306","491:4910001917","490:4900006546","491:4910001516","491:4910001574","491:4910001460","491:4910002062","491:4910001865","491:4910001011","490:4900002216","490:4900005810","491:4910002019","491:4910002313","491:4910002066","491:4910002366","490:4900005284","491:4910002015"],"twin_admin_codes":[490,491,490,490,490,491,491,491,490,491,490,491,491,491,491,491,491,490,490,491,491,491,491,490,491],"twin_sims":[0.500238360000577,0.423972396312966,0.3708813006852814,0.3281411270176835,0.20735178468651488,0.1810574925712186,0.15349886375592436,0.13747236568007776,0.12434265911811154,0.09702220016595084,0.09189386216576416,0.08262125653473963,0.0798164924959749,0.07719273448664568,0.05322167087815211,0.05285472299056457,0.04905549386609124,0.04614700406879022,0.042068475223899185,0.04145548634923201,0.039241466935650275,0.03910627328451484,0.03905353729782843,0.03724570077772347,0.03698112620258646],"twin_dists":[0.15286294179703275,0.1701392394881842,0.18292241419478666,0.19388407982384637,0.23038273353812036,0.24010562548052858,0.25143795425199533,0.258729560777314,0.2651930269757278,0.2805298220732082,0.2837762623661473,0.29002972469004784,0.2920313907702552,0.2939556284770349,0.31456928595490635,0.31494004596741726,0.3189101340521347,0.3221266013162266,0.32693598667014034,0.3276924051866786,0.3305055007159401,0.3306815821540441,0.3307504071401107,0.3331587552830801,0.33351948378210045],"n_dims_used":45,"mean_confidence":0.8958226521809896},"coverage":{"mean_confidence":0.8958226521809896,"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}}