{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011927},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010957","490:4900011031","490:4900009577","490:4900011992","490:4900011861","490:4900010779","490:4900010943","490:4900010951","490:4900010876","466:4660012720","490:4900013315","490:4900009270","490:4900011185","490:4900009881","490:4900010693","490:4900012121","490:4900010450","490:4900010607","490:4900010953","490:4900004803","490:4900011323","490:4900010960","490:4900010078","490:4900002269","490:4900011743"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.0367637101930697,0.03076297305329339,0.028797958860738018,0.02107407497433873,0.018123842205454637,0.017980908820391137,0.017596182676970475,0.017150148675193124,0.015406564878981231,0.015335233877511149,0.014437173142670767,0.013688865279896678,0.013179607756683559,0.010825469321788257,0.00949555222183143,0.008972586266980111,0.008900852943427216,0.006976083686609184,0.006784925749796136,0.006735277084158635,0.006658964691986008,0.006311218364955313,0.006300814659789489,0.006002305843437588,0.005728228097541951],"twin_dists":[0.3338175574517545,0.3427034833771676,0.3459370139789699,0.36084133039485705,0.36782357739642924,0.3681864845470386,0.36917600512623167,0.370347225798327,0.37519845082501035,0.3754070179165412,0.37810872886265473,0.38047561874299235,0.38215265041861163,0.39074110213074353,0.3963590527240422,0.39876253296699005,0.39910191881205537,0.4092702469498313,0.4104137339059575,0.41071546669902775,0.41118317066864235,0.41337751915057114,0.4134448320829997,0.41542021359938497,0.41731358812255137],"n_dims_used":45,"mean_confidence":0.9159305148654514},"coverage":{"mean_confidence":0.9159305148654514,"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}}