{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001928},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001989","480:4800001764","480:4800001706","480:4800001481","480:4800001929","480:4800001765","480:4800001540","480:4800001990","480:4800001592","480:4800001701","480:4800002475","480:4800002518","480:4800001424","480:4800002288","480:4800002426","480:4800001591","480:4800001584","480:4800002286","480:4800001763","480:4800001363","480:4800002035","480:4800002425","480:4800002521","480:4800001651","480:4800001758"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.9242289947834703,0.8436281979913465,0.8117999530766673,0.5827970835837308,0.5710530568180952,0.5134542468363452,0.5127564874183674,0.4446584256433024,0.407651421592555,0.40181302058574303,0.3986550683398279,0.3885365235918439,0.3670547148159146,0.36380085130653,0.31713006822659673,0.29584360663261994,0.24142220567531414,0.2385509683712527,0.2377193533647883,0.20932201493066704,0.2019418090726859,0.18921290216958153,0.18811283801677695,0.18804357255422569,0.1768846055455091],"twin_dists":[0.051557197081368654,0.0757388559211714,0.08386741578186976,0.13495905442863249,0.13747975541764465,0.14995800687167532,0.15011088871999204,0.1653490315781401,0.17398749771364821,0.1753804246361907,0.1761376476660544,0.17858267178222312,0.18387625649824868,0.18469126336060382,0.1968310545512304,0.2026977814740694,0.21896145171574216,0.2198811728856335,0.22014890135987597,0.22968929835024224,0.2323102602908443,0.2369903319037663,0.23740497087086593,0.23743113535790134,0.24173809470978316],"n_dims_used":43,"mean_confidence":0.9134953521018805},"coverage":{"mean_confidence":0.9134953521018805,"n_dims_used":43,"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}}