{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003815},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002413","490:4900003013","490:4900003014","490:4900002857","490:4900003157","490:4900001255","490:4900002414","490:4900003006","490:4900003408","490:4900003816","490:4900002864","490:4900003957","490:4900003677","490:4900001256","490:4900003541","490:4900003538","490:4900002716","490:4900002723","490:4900003144","490:4900003544","494:4940008549","490:4900002715","490:4900002562","490:4900002722","490:4900002263"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.3614808741424542,0.3354337691174129,0.3120343933291934,0.25769687746198816,0.24099956232106814,0.22555561481803318,0.199693071935448,0.1695239072497117,0.14966783977413192,0.1495406970679092,0.14572179651789952,0.14552686117555497,0.14324941196059168,0.12051764613244059,0.11740146369559358,0.11286689383891332,0.10907313975018117,0.10876306591475393,0.10145580614466022,0.09635966601182257,0.09635602689812384,0.0894772741163758,0.0872997273866344,0.08727765364820705,0.08706843321533217],"twin_dists":[0.18527460701509182,0.1919622908295301,0.19821432697726524,0.21387700271727797,0.21909638636598044,0.22413706670617856,0.23312189965577101,0.24468583074757902,0.25312779742920344,0.253184422240976,0.2549020314187298,0.254990595101845,0.25603186638784786,0.2671729451950112,0.2688217361209841,0.27128203831278985,0.27339962288231223,0.2735752031454695,0.2778301540639846,0.2809415158630803,0.28094378331745923,0.28535588996838257,0.2868085050290112,0.28682337678745745,0.2869644837451258],"n_dims_used":45,"mean_confidence":0.9271094428168403},"coverage":{"mean_confidence":0.9271094428168403,"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}}