{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005949},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005687","490:4900007414","490:4900006075","490:4900005017","490:4900005823","490:4900006199","490:4900005817","490:4900005686","490:4900005552","490:4900005416","490:4900007159","490:4900005434","490:4900006076","490:4900005681","490:4900007416","490:4900005170","490:4900004602","490:4900007652","490:4900005810","490:4900006433","490:4900005171","490:4900006426","490:4900006543","490:4900006074","491:4910002063"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.41729826059777453,0.41457467766363637,0.37747077370227955,0.356966837615971,0.3464641286378817,0.3321383265277244,0.31071628792962147,0.3020509352271489,0.3004972271562947,0.26506329275798746,0.25443063813857275,0.24849160901959289,0.2461959755536895,0.23882664795485908,0.23708639175772295,0.2211042356633518,0.2177665611728349,0.21349351209674175,0.20108760548688698,0.18152294953330425,0.1735859338722406,0.17004930067941657,0.16668824938662108,0.15928711893861405,0.15819689903848957],"twin_dists":[0.17170508069969173,0.17234713016733277,0.1812912133649634,0.18641512657000286,0.18909796626456388,0.1928278621074905,0.19857422969094318,0.2009624298287063,0.2013948186644487,0.21164255284261807,0.21488062802168129,0.21672672133303955,0.21744785860864166,0.21979255532963402,0.22035308524939348,0.22563209721981625,0.22676633018773543,0.22823561932333028,0.23261783257049878,0.23992519331649317,0.24304805424256104,0.2444724231562517,0.2458459196599869,0.24894245551298708,0.24940736383749337],"n_dims_used":44,"mean_confidence":0.897344936024059},"coverage":{"mean_confidence":0.897344936024059,"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}}