{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004620},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004906","490:4900003787","490:4900005047","490:4900003647","490:4900005183","490:4900005048","490:4900003646","490:4900006556","490:4900007673","490:4900009932","490:4900004907","490:4900004897","490:4900004202","490:4900008211","490:4900004904","490:4900012040","490:4900006436","490:4900004060","490:4900004886","490:4900006072","490:4900005583","490:4900004893","497:4970000948","490:4900010152","490:4900005317"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,497,490,490],"twin_sims":[0.01747930879290093,0.009732327772337835,0.008763664948696005,0.00430632798145479,0.0022054255480602604,0.0010235285137446283,0.0005592177424144575,0.0004743339611562206,0.0001297323843210235,0.0001069565808793671,0.00006799530397663994,0.00005985035823585266,0.00005745672421292327,0.000037434309640319076,0.000018706981056332675,0.00001806781201003944,0.000011832358513097405,0.000011606497888243307,0.000009514568470903521,0.000008789279325744494,0.000006852713539469083,0.000006411228021694677,0.000005450913389592928,0.000005021090372472539,0.0000050051469138805585],"twin_dists":[0.3694803602086246,0.39530953040534234,0.3997578528720181,0.42869086424946123,0.45425761833058836,0.4819200817250788,0.5026317714034864,0.5081263232712447,0.5494791967985557,0.5553736673734493,0.5689650516772184,0.5727350958737796,0.5739358737195135,0.58639223890594,0.6060176207369524,0.6069844624323405,0.6186354829798375,0.6191607450952513,0.6245514452171691,0.6266892255069013,0.6333526378333028,0.6351236830053731,0.639418605835144,0.6415816351874738,0.6416652421398782],"n_dims_used":45,"mean_confidence":0.9021925184461805},"coverage":{"mean_confidence":0.9021925184461805,"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}}