{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010448},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010534","490:4900010085","490:4900010872","490:4900010705","490:4900010275","490:4900010533","490:4900011393","490:4900010173","490:4900009879","490:4900010535","490:4900010877","490:4900010706","490:4900010875","490:4900010076","490:4900009777","490:4900010174","490:4900010618","490:4900010078","490:4900010691","490:4900010959","490:4900010532","490:4900009673","490:4900010179","490:4900010710","490:4900010882"],"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":[0.43775331708974474,0.4324266631885001,0.39904021346868235,0.35471817337807215,0.34491022743887084,0.30473951265803007,0.29223840842644266,0.27463095532297793,0.27074080292973723,0.25301912380414604,0.2292010041055324,0.228465931236621,0.19724446282864894,0.17336685680833422,0.17244371549739343,0.1714439286864602,0.1644566332849844,0.15328292827865628,0.14808181530651307,0.1412965917971043,0.13872646887070553,0.1322677487953728,0.12259377027708745,0.11593326057543829,0.11440983892448245],"twin_dists":[0.16693795310608425,0.1681704142275878,0.17604515081170574,0.18698603999079627,0.18949850266501667,0.20021725976245586,0.20371552057130576,0.208797389008057,0.20994670730983178,0.21531687572888492,0.2229272715476232,0.2231701892483844,0.23401288032437664,0.24313568041517086,0.2435057893075607,0.2439082298467267,0.24676893345971146,0.25153237334218687,0.25383671028362637,0.2569345495248994,0.258136848681155,0.26123354901075335,0.2660924500877719,0.26961021372361493,0.2704364944255939],"n_dims_used":45,"mean_confidence":0.917427486843533},"coverage":{"mean_confidence":0.917427486843533,"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}}