{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001866},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002781","490:4900002453","490:4900004585","490:4900001695","490:4900003223","490:4900004442","490:4900002490","490:4900002465","490:4900001880","490:4900003622","490:4900003060","490:4900003589","490:4900002182","490:4900003061","490:4900003621","490:4900002001","490:4900000898","490:4900003332","490:4900005254","490:4900004010","490:4900003614","490:4900003864","490:4900001840","490:4900001837","490:4900002189"],"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":[0.7178870588301458,0.6978558044377329,0.6884516960182142,0.6595664384155804,0.6498077540565668,0.6473752541547526,0.6258220722746072,0.604592659589683,0.5981106128060133,0.5964074351003938,0.5942040993141273,0.5913664214452671,0.5896551646910637,0.587567313287602,0.5808532898750719,0.5665793310329255,0.5644931722259416,0.5597203004034158,0.5541615201533964,0.5432485621864749,0.5296870667834975,0.5251217565646908,0.523837028101592,0.5201432094310421,0.5117135894501456],"twin_dists":[0.10574096853020776,0.11016278027731811,0.11222089461033025,0.11848832791749785,0.12059162230293884,0.1211150673591695,0.12574227303735788,0.13028946653521775,0.13167756069008205,0.13204234178214413,0.13251429626874592,0.1331222302524794,0.1334889100938783,0.13393636238052914,0.1353759559239199,0.13844135089624632,0.13889006119140623,0.13991745466303304,0.1411155581703098,0.14347319982520695,0.14641514095680455,0.14740898783544926,0.14768901138565493,0.14849500420665,0.15033948945482878],"n_dims_used":45,"mean_confidence":0.9109568277994792},"coverage":{"mean_confidence":0.9109568277994792,"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}}