{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001696},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001521","491:4910002321","491:4910001524","491:4910001641","491:4910001973","491:4910001580","491:4910001149","491:4910001020","492:4920004010","492:4920006850","491:4910001084","492:4920005170","491:4910001772","492:4920006966","492:4920006612","492:4920006951","492:4920006652","491:4910001575","491:4910001637","491:4910001592","491:4910001532","492:4920006225","491:4910001473","492:4920006743","492:4920006916"],"twin_admin_codes":[491,491,491,491,491,491,491,491,492,492,491,492,491,492,492,492,492,491,491,491,491,492,491,492,492],"twin_sims":[0.8642066230183651,0.6477633584985655,0.5373340659479748,0.4898811203142156,0.48983827736826674,0.4493939496850508,0.4314561841792734,0.4303108157834879,0.42850164807864083,0.4180677280207639,0.40095149204097086,0.39817893589682607,0.3919769083586943,0.38803678013977116,0.3843048283511147,0.371155848305805,0.36432401265972764,0.36304271345876127,0.3621712341223819,0.3497922625479447,0.3471348177790216,0.34580622940399075,0.33467738268972663,0.3312948599152516,0.32959552950493776],"twin_dists":[0.07016670157695212,0.12103157216050629,0.14475445652312657,0.1551543624912942,0.15516387024689832,0.16426482667586562,0.16839561448532728,0.1686616622214734,0.16908248668643247,0.17152401459470207,0.17558673586891968,0.17625205251837797,0.1777480612714817,0.17870419390519574,0.17961404169631448,0.1828541671512003,0.18455997821597733,0.1848816843842682,0.18510082236127393,0.18824327687432926,0.18892538166270081,0.18926743127651746,0.19216055060831957,0.19305015653802968,0.19349895602629702],"n_dims_used":44,"mean_confidence":0.896558241410689},"coverage":{"mean_confidence":0.896558241410689,"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}}