{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000291},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["481:4810005472","481:4810005942","470:4700001501","485:4850001312","489:4890000049","481:4810005972","489:4890000707","479:4790002431","489:4890000530","489:4890000531","489:4890000376","481:4810005934","485:4850002425","481:4810005726","485:4850003506","485:4850001306","481:4810005872","466:4660009967","489:4890000397","478:4780002911","466:4660006431","489:4890000456","481:4810005601","489:4890000279","481:4810005542"],"twin_admin_codes":[481,481,470,485,489,481,489,479,489,489,489,481,485,481,485,485,481,466,489,478,466,489,481,489,481],"twin_sims":[0.42415554407563394,0.3286037547474243,0.27872719789498906,0.2627013195185876,0.23530624357174354,0.23391742829396744,0.22827487457178458,0.22247853541000723,0.22172618568952693,0.21975910041442767,0.2187257419992253,0.21751478308364255,0.20934603298386362,0.20873045648590427,0.20564721024052296,0.19848347835269567,0.19614480894636582,0.19217245587928647,0.1912965298178332,0.1877973728053876,0.18546025824403148,0.18496658689391196,0.18307007187873123,0.1638692762959763,0.16301096381771674],"twin_dists":[0.1700964173733839,0.19376147490022844,0.2075979196932782,0.21235472046595177,0.22092924940305322,0.22138073799121694,0.22323341185508241,0.22516840321542744,0.2254220110958347,0.2260878210733732,0.2264391875939864,0.2268523631086521,0.22968087251664315,0.22989703242189877,0.23098630497844866,0.23356108803918182,0.2344155038167298,0.23588311250610902,0.23620956378863464,0.23752419009743622,0.23841182851771323,0.23860032965001007,0.23932779806649837,0.24701337195891576,0.24737171590937257],"n_dims_used":45,"mean_confidence":0.9040096706814236},"coverage":{"mean_confidence":0.9040096706814236,"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}}