{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000719},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000543","491:4910000592","491:4910000781","491:4910000593","491:4910000444","492:4920006950","491:4910001215","492:4920006986","492:4920006757","491:4910000722","492:4920006879","492:4920006648","492:4920006844","492:4920006652","492:4920007086","491:4910000660","491:4910000783","492:4920006951","491:4910001084","492:4920005562","492:4920005243","492:4920006174","491:4910001021","492:4920006759","492:4920007073"],"twin_admin_codes":[491,491,491,491,491,492,491,492,492,491,492,492,492,492,492,491,491,492,491,492,492,492,491,492,492],"twin_sims":[0.8376371328442732,0.6764042884396776,0.6113436053157673,0.4725349775817216,0.4706976744043848,0.43280457331982325,0.3632068805757382,0.3474201759785192,0.2943814096835004,0.28630771797623267,0.2718179676123767,0.2676913318055643,0.26426783010562555,0.25862633849238975,0.21685732117077652,0.2165330779250131,0.21404682190214128,0.1967711756104858,0.195153494854271,0.17547982181965807,0.1746575486467934,0.16368917645596487,0.1560906337686443,0.15254696081914734,0.1476853736334841],"twin_dists":[0.07730975367217689,0.11484376119107562,0.12884388484295495,0.15902530461983666,0.1594379821850055,0.168082775181077,0.1848404335698287,0.1888520054203458,0.2031096672726854,0.20540610834369566,0.2096274544208806,0.21085479669169302,0.2118819515668893,0.21359287593860843,0.22707733491242907,0.22718845418391234,0.22804425195255082,0.23418597705275623,0.23477980305898458,0.2422938113529038,0.24262056547659147,0.24708845049355455,0.25031220789688724,0.2518549143684146,0.2540147842841025],"n_dims_used":44,"mean_confidence":0.8959815285422585},"coverage":{"mean_confidence":0.8959815285422585,"n_dims_used":44,"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}}