{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004638},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004920","490:4900004918","490:4900005060","490:4900007550","490:4900004780","490:4900007433","490:4900004777","490:4900004637","490:4900005443","490:4900005059","490:4900006208","490:4900006084","490:4900005837","490:4900005057","490:4900001104","490:4900004774","490:4900003667","490:4900005966","490:4900001117","490:4900004779","490:4900004919","490:4900003380","490:4900007552","490:4900004081","490:4900004778"],"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":[0.506207514364165,0.4774255920875388,0.2080194296609217,0.20629619884874867,0.19504687022056658,0.14539954323131765,0.08497307681015003,0.08120533155921165,0.05861367797179961,0.057655375631827085,0.05464493900022105,0.04500387407974517,0.04394521114435458,0.04167684812470285,0.0360255308606005,0.03401695993918642,0.03348825140327264,0.02864101009841506,0.0260818623075406,0.025580730270724623,0.02510646577973418,0.022923671191418533,0.02269064527159725,0.020149393173738313,0.01836719797695079],"twin_dists":[0.15154840020339375,0.15792940148708157,0.2301472506605674,0.23075610366686053,0.23481906308071046,0.2550484860596092,0.28839277317437323,0.2910333026406857,0.3093514977785583,0.31024901782763337,0.3131509914384935,0.3234373696184126,0.3246764319206685,0.3274181677413407,0.33484088091882735,0.3377184236118451,0.33849988704028705,0.3462033720329372,0.3507339887492409,0.3516657677615611,0.3525622246654445,0.35688720902705007,0.35736977869804853,0.3629326737498312,0.3672114222424155],"n_dims_used":44,"mean_confidence":0.917584852738814},"coverage":{"mean_confidence":0.917584852738814,"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}}