{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000708},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000634","499:4990001245","499:4990001143","499:4990000635","500:5000005667","499:4990001142","500:5000005682","499:4990001331","499:4990001145","499:4990001140","499:4990000215","500:5000005503","499:4990001330","499:4990001046","500:5000005829","499:4990000564","500:5000004117","500:5000004847","500:5000003586","499:4990001340","499:4990001042","500:5000004842","500:5000004822","499:4990001045","499:4990001717"],"twin_admin_codes":[499,499,499,499,500,499,500,499,499,499,499,500,499,499,500,499,500,500,500,499,499,500,500,499,499],"twin_sims":[0.8014316467919943,0.7949119906878365,0.7772641757668632,0.7739372225033534,0.768769074964747,0.7656336346325877,0.7606024675364152,0.7458396532554643,0.7392240423291895,0.7274253026334947,0.7114058797125803,0.6715179726236744,0.6704906566467331,0.6695020992280339,0.6580548046743108,0.6555648637790982,0.6495986683964916,0.6443432589693424,0.6396497351358919,0.6389958234879548,0.623895457333113,0.6048404064614438,0.6032740661766929,0.5975331641985194,0.5877478817743157],"twin_dists":[0.0864139969113926,0.08799394256973898,0.09219716433606495,0.0929786170002942,0.09418625457854081,0.09491532974282646,0.0960798148774161,0.09946124431762643,0.10096089372498891,0.10361411699251014,0.10717787775190839,0.11590372076743588,0.11612631417450654,0.116340428823159,0.1188145106226758,0.11935147794563328,0.12063662709520251,0.12176710619564632,0.12277564172711032,0.1229160801993404,0.1261551943402443,0.1302364168081429,0.1305718180434341,0.13180123331566698,0.133897660724424],"n_dims_used":44,"mean_confidence":0.9259458021684126},"coverage":{"mean_confidence":0.9259458021684126,"n_dims_used":44,"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}}