{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008796},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008797","490:4900009024","490:4900008003","490:4900008574","490:4900007993","490:4900009216","490:4900007766","490:4900009138","490:4900009665","490:4900009224","490:4900008908","490:4900008258","490:4900009027","490:4900009323","490:4900008579","490:4900008889","490:4900011446","490:4900009332","490:4900009215","490:4900007880","490:4900007772","490:4900008457","490:4900009234","490:4900008696","490:4900006339"],"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":[0.01453534318126152,0.013584784106752516,0.0040701266049914045,0.002932600473665753,0.0022483179545787265,0.001615375288730434,0.0015899044960316837,0.0011950774928707532,0.0010640663802201382,0.0007206994430297778,0.0005930895251804517,0.0005651327032875067,0.00037790069587982406,0.0003400919763609339,0.0002997069419024414,0.00022423437913124243,0.00019182991020212376,0.00016952199888500548,0.00015560708002335504,0.00015170477566757472,0.00015133626516389232,0.00014821346331885758,0.00014582409728993294,0.00014052076971215647,0.00011235610501985653],"twin_dists":[0.37780629590717063,0.3808138306602471,0.43090472773806543,0.44355001846066605,0.4535418270404598,0.46567521944545154,0.46625054282701406,0.4764657313171864,0.4805586816003711,0.4940452936060854,0.5006544479300541,0.5022785601283107,0.5156157521661222,0.5190527583981687,0.5231445403648263,0.5324162976203022,0.5373383744778735,0.5412051698562526,0.5438679720618067,0.5446550816810085,0.5447303955118342,0.5453756487114856,0.5458780738703838,0.5470215737239673,0.5538758531846673],"n_dims_used":45,"mean_confidence":0.8778981526692708},"coverage":{"mean_confidence":0.8778981526692708,"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}}