{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000002139},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001913","500:5000001584","500:5000001259","500:5000000662","500:5000001916","500:5000000859","500:5000001648","500:5000001583","500:5000001581","500:5000001411","500:5000001357","500:5000001204","500:5000001925","500:5000001405","500:5000001356","500:5000000960","500:5000001305","500:5000001813","500:5000000979","500:5000001018","500:5000001300","500:5000001649","500:5000001258","500:5000000958","500:5000001316"],"twin_admin_codes":[500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500,500],"twin_sims":[0.8075162825087303,0.7520670925353155,0.6862839775807817,0.6813377652111197,0.6774776966507995,0.6703597085459655,0.6664323536930764,0.6356735024877902,0.6222044950524346,0.617878139929531,0.6114676336795385,0.6034922823464282,0.5966130213635659,0.5928050828666142,0.5918914364730966,0.5846030793259638,0.5827198274125209,0.5742337414436605,0.5438733902470213,0.5151906984270916,0.5119692669162993,0.5081880550474709,0.5034897997674499,0.5016010681598353,0.49918509055445104],"twin_dists":[0.08492481899948949,0.09804100060817636,0.1126939082595368,0.11377140174605095,0.11461063262103834,0.11615468114101818,0.11700482435550452,0.12362935315997867,0.12651754628781775,0.12744440243293828,0.12881732532212567,0.1305250908501511,0.13199830829329243,0.13281400062610846,0.13300974308130853,0.13457179989151935,0.1349756221814661,0.1367965885379391,0.14333799447014015,0.14957776794024372,0.15028343467885436,0.1511131616172598,0.15214637661910507,0.15256246736448784,0.15309534150577467],"n_dims_used":45,"mean_confidence":0.9231630113389757},"coverage":{"mean_confidence":0.9231630113389757,"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}}