{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003785},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004199","490:4900002372","490:4900006805","490:4900007535","490:4900003776","491:4910001682","490:4900002219","490:4900002669","490:4900002820","490:4900002521","490:4900002821","490:4900007658","490:4900002221","491:4910001206","490:4900002670","490:4900002222","490:4900002370","490:4900007534","490:4900002674","490:4900002818","490:4900002068","490:4900003916","490:4900002522","491:4910001504","490:4900007536"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,491,490],"twin_sims":[0.18767120226475648,0.15130339547574223,0.14951123970224203,0.11110210862020355,0.10722977646959493,0.10609196695352704,0.105092744723982,0.08956151852308802,0.0873228867130389,0.08406268697560758,0.08194617020681617,0.07505464468898412,0.07331096025058496,0.07108459644111235,0.06572348145253704,0.06532926535463636,0.062081912070147544,0.06174175226101848,0.057794364930229256,0.05760936192958159,0.05637016939995471,0.05393365418593209,0.04958610248193699,0.048576169701960006,0.04845419079518799],"twin_dists":[0.2375719112146877,0.25240251842960015,0.25319754655878735,0.2722601475431468,0.2744491799035992,0.27510402185931443,0.2756836191542881,0.2853002576509951,0.2867929050895078,0.2890220948925508,0.2905064807741808,0.2955629946461937,0.29690143818836195,0.29864833135306346,0.3030447445642376,0.3033794176002456,0.3062010000888718,0.30650350821635786,0.3101180853051681,0.31029242161527093,0.3114722278561933,0.31385591316982187,0.3183406052000171,0.31942905153399737,0.31956178803703134],"n_dims_used":45,"mean_confidence":0.9011962890625},"coverage":{"mean_confidence":0.9011962890625,"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}}