{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010187},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009782","490:4900009481","490:4900009063","490:4900008953","490:4900003429","490:4900009276","490:4900009989","490:4900008420","490:4900010082","490:4900011677","490:4900009682","490:4900009170","490:4900009700","490:4900009480","490:4900010799","490:4900009405","490:4900009889","490:4900010879","490:4900008089","490:4900009198","490:4900008066","490:4900010868","490:4900011739","490:4900009599","490:4900008306"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.21401352004724683,0.2122850060448235,0.18625700450529592,0.17097263202819357,0.1652608992088938,0.16207323943733246,0.15461090582906642,0.13776667379255134,0.13641542546205088,0.13154941773269274,0.1221365840731826,0.11853153876626886,0.11374700832120445,0.1136193853735903,0.10755866156301425,0.10502471346270097,0.10472029690226341,0.09871685695124087,0.09784056410538589,0.09727117067020927,0.09622562034664582,0.09540719326545731,0.09421764665634424,0.09082912762114287,0.09050555086261428],"twin_dists":[0.22805576024873614,0.2286547620343536,0.238108345523153,0.24409852237062746,0.24643524635497668,0.24776477992848353,0.250953242780799,0.258590103538596,0.25923223875429136,0.2615849309393261,0.2663291825273219,0.2682199785208187,0.2707986473222275,0.2708685635003116,0.27426090242541173,0.27572323618497724,0.27590075381031876,0.27948673170990646,0.28002433473136623,0.28037568463613094,0.28102508134497145,0.2815372933547772,0.28228797376452985,0.28446813410193933,0.28467966778697884],"n_dims_used":45,"mean_confidence":0.9150651719835069},"coverage":{"mean_confidence":0.9150651719835069,"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}}