{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001023},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000895","490:4900001293","490:4900000776","490:4900000930","490:4900001294","490:4900000695","490:4900000671","490:4900002892","494:4940008486","494:4940007796","490:4900004831","494:4940007365","490:4900002293","490:4900003186","494:4940008667","494:4940007617","494:4940008497","490:4900001979","490:4900001045","490:4900001011","490:4900001553","494:4940008414","494:4940008339","490:4900003716","494:4940008731"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,494,490,494,490,490,494,494,494,490,490,490,490,494,494,490,494],"twin_sims":[0.762324137227758,0.578805360690317,0.5764801487786636,0.5005517835794051,0.4884379408896509,0.48410886901433925,0.4797525477451327,0.47345321902446913,0.44858817528543526,0.4264869455761473,0.4255796099674521,0.42556095286343965,0.42258896313992583,0.42257396028700533,0.4204285718648807,0.4174582410265664,0.417355544150256,0.4042653119131118,0.3945597453124254,0.39177321622886946,0.3916437513038522,0.3880804900542341,0.3853779766003756,0.3823417394316771,0.37560057474836217],"twin_dists":[0.09568205912991272,0.13581531256534038,0.1363143184305326,0.15279381246722706,0.1554747721689404,0.1564376300539946,0.15740925380952567,0.1588192586117467,0.16444900376146288,0.16955197840420566,0.16976371617479502,0.1697680719974308,0.17046295266297978,0.17046646565061482,0.17096935980417352,0.17166742339611699,0.171691596189932,0.17479426070502319,0.17712372898784537,0.1777973796972421,0.17782873227088072,0.17869356206422596,0.17935198059644794,0.1800943309417786,0.18175274454704915],"n_dims_used":45,"mean_confidence":0.9176021152072482},"coverage":{"mean_confidence":0.9176021152072482,"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}}