{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000930},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000314","491:4910000455","491:4910000275","491:4910000865","492:4920006186","491:4910000764","492:4920005819","492:4920005814","491:4910000565","491:4910000322","491:4910000323","491:4910000934","492:4920006184","492:4920006043","491:4910000386","491:4910000068","492:4920005811","491:4910000683","491:4910000405","491:4910000343","492:4920005764","491:4910000864","491:4910000559","492:4920005521","492:4920005707"],"twin_admin_codes":[491,491,491,491,492,491,492,492,491,491,491,491,492,492,491,491,492,491,491,491,492,491,491,492,492],"twin_sims":[0.33794039307689283,0.15622417344851874,0.14282546224619097,0.06887734657414503,0.06621616165550506,0.06119403256030598,0.04811854041823988,0.04739290589422835,0.04717503342832393,0.04687899439944781,0.046446503259135456,0.040802882003679423,0.04023126099655085,0.03612917800511119,0.03408536601605751,0.03198650670196721,0.030151941202982417,0.028662392230776157,0.02632883112550276,0.024205911618142836,0.022545261170001087,0.022036032183165057,0.019642031622626604,0.019135185664721638,0.018740458057341123],"twin_dists":[0.19130699347877766,0.2502545759304777,0.2562270543827398,0.3004245872793754,0.30262877560654905,0.30699348799884735,0.3199284856763025,0.32072860161232963,0.3209708356770037,0.32130148031708194,0.3217876820502592,0.3285081420300208,0.32923174583953446,0.3346961284241148,0.3376180729252509,0.34077843570028143,0.3436895122195156,0.3461670106973501,0.3502804586166929,0.3543055229435395,0.35767303564063235,0.3587488026216841,0.3641159763272249,0.36532501891053953,0.366286145434908],"n_dims_used":45,"mean_confidence":0.8902297973632812},"coverage":{"mean_confidence":0.8902297973632812,"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}}