{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004333},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003925","490:4900004196","491:4910002113","490:4900003370","490:4900003633","490:4900003371","490:4900003113","490:4900003503","490:4900003642","490:4900004477","490:4900005287","490:4900007293","490:4900003110","490:4900003109","490:4900002375","490:4900003638","490:4900005291","490:4900005683","490:4900004744","490:4900003643","491:4910001507","490:4900003237","490:4900006310","490:4900002374","490:4900002968"],"twin_admin_codes":[490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490],"twin_sims":[0.6807043941825638,0.6116263686178071,0.5599292237546046,0.5393477874044115,0.49812562259703924,0.49770592782813233,0.482044451331351,0.4240486241250582,0.364872584487206,0.36280084862656065,0.3567764137543352,0.34824985340988285,0.3457097443834713,0.3377573214945973,0.3288521627574783,0.32709249877943336,0.31606716630059445,0.30565885655873437,0.30435659148399363,0.29795207045516064,0.29728719590007086,0.29623851947627367,0.29550468983525574,0.29468288237585544,0.2904849875311848],"twin_dists":[0.11390920177999217,0.1287833335812512,0.13987245797803888,0.14431792703050023,0.15332924762129427,0.15342194535645914,0.15689772817402634,0.1701214155860802,0.18442241859048886,0.18494247578021492,0.18646340127980168,0.18863884457035762,0.1892922987091537,0.1913547641251287,0.19369568140255342,0.1941623391609211,0.1971185438039843,0.19996332823301696,0.20032315707906817,0.20210595536850343,0.20229231280044574,0.2025867446495554,0.20279314369033194,0.20302464683836918,0.20421319856227066],"n_dims_used":44,"mean_confidence":0.8953369314020331},"coverage":{"mean_confidence":0.8953369314020331,"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}}