{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001319},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001318","480:4800001501","480:4800001948","480:4800001492","480:4800001433","480:4800002056","480:4800001890","480:4800001439","480:4800001462","480:4800001946","480:4800002113","480:4800002442","480:4800001766","480:4800001512","480:4800001598","480:4800002496","480:4800002298","480:4800002300","480:4800002110","480:4800001280","480:4800001659","480:4800002157","480:4800002547","480:4800001552","480:4800001550"],"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":[0.9104805717993979,0.7251847774865483,0.706640863550898,0.5921995998559447,0.5456215469664516,0.4966143629424555,0.49208744284448874,0.4727566182010602,0.4709828633260959,0.45875375713505523,0.4534363472855654,0.4227963977419554,0.4093370724121511,0.40011522767086305,0.39112580099165073,0.37897194466143524,0.36860558845855973,0.3576360965306474,0.3554135144704763,0.3348026568887754,0.3320507885300803,0.32964623421059935,0.32781744351038256,0.30987753210258295,0.305044788372598],"twin_dists":[0.056247114978423315,0.10411508644103942,0.10823037461985678,0.13294371966638327,0.14295986101001731,0.15366314262476707,0.15466506703830896,0.15897555807160868,0.15937389041476985,0.1621343122398323,0.16334270206127668,0.17041438624862315,0.17358698889255442,0.1757871891713807,0.17795421293131933,0.18092155664661236,0.18348907977022547,0.18624556649774962,0.186809300767619,0.19212769764214388,0.1928509182578289,0.19348554636944093,0.193969918617648,0.19880370306731515,0.20013289059934794],"n_dims_used":43,"mean_confidence":0.9200446550236192},"coverage":{"mean_confidence":0.9200446550236192,"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}}