{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002311},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002357","480:4800001891","480:4800002296","480:4800002163","470:4700004539","466:4660005158","480:4800002453","470:4700004544","480:4800002115","470:4700004268","470:4700004097","480:4800002501","480:4800002158","470:4700003758","466:4660004294","493:4930001564","470:4700004444","470:4700004370","470:4700005360","470:4700005129","470:4700004711","470:4700006996","470:4700005920","493:4930000651","500:5000005354"],"twin_admin_codes":[480,480,480,480,470,466,480,470,480,470,470,480,480,470,466,493,470,470,470,470,470,470,470,493,500],"twin_sims":[0.46610252548288783,0.3570712355212797,0.3114024960384282,0.2843017792017126,0.27730078245147993,0.274540049508633,0.27137180816181444,0.25885620418676236,0.25082468471280156,0.2350043665086518,0.2342954375780118,0.22905786790523894,0.2282316467306418,0.2281115591611903,0.22777217389208404,0.227617236214422,0.21749801783892214,0.2116405237619024,0.20171734863848714,0.19472728121611188,0.19453655258882305,0.1906590805799585,0.18783292151695083,0.1877031825988436,0.18594571927931838],"twin_dists":[0.16047249368054073,0.18638866608621849,0.19838675503434972,0.20598265667991275,0.2080143761830512,0.20882413193138544,0.2097595935004125,0.2135227076712794,0.21599818361035203,0.22102723755572776,0.22125767773976054,0.2229745330007132,0.22324772124553188,0.22328748235153079,0.2233999280751436,0.22345129917455941,0.22685809419240052,0.22887894692187116,0.2323909947373083,0.23493682756654996,0.23500717259935575,0.2364477926515246,0.23751074867018432,0.23755981325819595,0.23822680617412476],"n_dims_used":43,"mean_confidence":0.9210691230241642},"coverage":{"mean_confidence":0.9210691230241642,"n_dims_used":43,"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}}