{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011233},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011083","490:4900012117","490:4900011249","490:4900012097","490:4900011368","490:4900011841","490:4900011586","490:4900011299","490:4900011235","490:4900010839","490:4900010920","490:4900011248","490:4900011155","490:4900010426","490:4900011571","490:4900011231","490:4900011099","490:4900011167","490:4900011650","490:4900011011","490:4900011074","490:4900012111","490:4900011572","490:4900011373","490:4900011647"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.40350734569391206,0.3548205030733671,0.34386412960845275,0.3248775416676832,0.29931513770486934,0.2914132305058058,0.24343105475762097,0.23669522775585763,0.22926294701458114,0.22262471412740661,0.1857274708547368,0.17912761703986269,0.17544356927124266,0.17422483657124527,0.17086670857557085,0.17072945686168142,0.1645228062141945,0.14437533954724813,0.14377994424772023,0.1414578337431401,0.13522401926659694,0.1334714835372036,0.12652594258673297,0.12602249777001995,0.12423502712316734],"twin_dists":[0.17497526402721278,0.1869600189697789,0.18976868570057367,0.1947517164507284,0.20172466327028327,0.20394951116641719,0.2183221822874602,0.220479446762639,0.2229068249612546,0.22511919460563568,0.23830994448878576,0.24085725499400865,0.24230819432711093,0.24279295703985188,0.24414134216203262,0.244196854791745,0.2467414340727682,0.2555155591631641,0.25578821080732683,0.2568596658515316,0.25980237829879566,0.2606479317252831,0.26408359736747056,0.26433812490724823,0.2652481013750515],"n_dims_used":45,"mean_confidence":0.8914761013454862},"coverage":{"mean_confidence":0.8914761013454862,"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}}