{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001031},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001027","491:4910002475","491:4910001947","491:4910001784","491:4910000971","491:4910002285","491:4910001485","491:4910001179","491:4910001116","491:4910002583","491:4910001370","491:4910001292","491:4910001956","491:4910002491","491:4910002232","492:4920000786","491:4910001430","491:4910002881","491:4910003315","491:4910001736","491:4910001989","491:4910001841","491:4910001842","491:4910002096","491:4910001790"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,491,491,491,491,491,491,491,491],"twin_sims":[0.38647729513705503,0.371198845427525,0.3598620862431419,0.35152370797136995,0.32039804097122526,0.28079791045013597,0.2765829230666797,0.24512715655864298,0.20250375160949735,0.19944644187902993,0.1930143428531783,0.19148241136741315,0.17494651722030644,0.16961116641458043,0.16838121212421234,0.16342497413609988,0.15859556530325197,0.15533497581113373,0.15209075848800066,0.14729724770167676,0.1456641024384191,0.14153358473167119,0.14053251607310874,0.13949283215178157,0.13677125307815427],"twin_dists":[0.17908388838926803,0.1828434811937139,0.18568276899994623,0.18780031591554888,0.1959505340889137,0.20699565509483958,0.20822445686806276,0.21778508655542259,0.23210840965232032,0.23321129866034676,0.2355703231502327,0.23614020008681724,0.24250561064934775,0.24465035441593388,0.24515162374241534,0.24719869723320076,0.2492370885720768,0.2506390093933319,0.2520554209196786,0.2541894653653284,0.2549282340432409,0.2568245076584272,0.25729026787618314,0.25777661911939925,0.2590626835563571],"n_dims_used":45,"mean_confidence":0.8982533772786458},"coverage":{"mean_confidence":0.8982533772786458,"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}}