{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002321},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001513","499:4990002714","499:4990002479","499:4990002062","499:4990002658","499:4990001772","499:4990002878","499:4990001973","499:4990002648","499:4990002146","499:4990001609","499:4990002876","499:4990002323","499:4990002312","499:4990002946","499:4990001871","499:4990001678","499:4990002641","499:4990002724","499:4990001786","499:4990002235","499:4990001776","499:4990002555","499:4990002410","499:4990001872"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499,499],"twin_sims":[0.9422328339148713,0.9294321898759769,0.9136930038298132,0.9026232735240417,0.9009460781447626,0.8975558205207803,0.8830253173886986,0.8782063110069028,0.8490109559519747,0.8466072919162304,0.8458496972319804,0.8444280718604651,0.8390697134875897,0.8376036140881264,0.8324123248260771,0.8312864640655174,0.8245579242261255,0.822753837001115,0.8188622467787768,0.8134515900495773,0.8058195880189498,0.8050368719378472,0.799955105785428,0.799399618970894,0.7991269896026925],"twin_dists":[0.0448030709679283,0.0496866004340595,0.05518080891008829,0.05878883311078002,0.05932005509290911,0.060382548883434944,0.06478157308408676,0.0661910862829107,0.07430890843769412,0.0749496963057511,0.07515090398947466,0.07552750704589585,0.07693602497823561,0.07731848397973523,0.07866307571168027,0.07895275530114239,0.0806703301828034,0.08112701670350775,0.08210685345455618,0.08345764513010927,0.08534155193345652,0.08553340851597051,0.0867732010255399,0.08690812326347834,0.0869742999123914],"n_dims_used":45,"mean_confidence":0.9292867024739583},"coverage":{"mean_confidence":0.9292867024739583,"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}}