{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011384},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011383","490:4900011317","490:4900010771","490:4900011646","490:4900011449","490:4900011098","490:4900011699","490:4900012043","490:4900011161","490:4900011644","490:4900009847","490:4900011777","490:4900011365","490:4900011435","490:4900011012","490:4900010997","490:4900011963","490:4900011643","490:4900010769","490:4900010828","490:4900011844","490:4900008106","490:4900011840","490:4900012168","490:4900010503"],"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":[0.10950246483893834,0.07924008311869425,0.06014591522622717,0.0568119289586621,0.05269280506396935,0.043516656006045214,0.031319863130876174,0.0312854411668171,0.03122214398972415,0.029275898186154028,0.02923011731897919,0.02768571397511472,0.02661485122664859,0.025305912914314187,0.025110502831371933,0.02379500200953865,0.0211865630730128,0.01854972631536483,0.018237266437029064,0.016546483035907087,0.01590611558265596,0.015466609187008559,0.015189897225043922,0.014380324925019708,0.013938842709319273],"twin_dists":[0.2731571531465231,0.29244972029164046,0.30794124186235855,0.31104920503756656,0.31510432561234597,0.32518515127075404,0.34181932648081104,0.3418735854034169,0.34197349344746175,0.3451335115139625,0.3452099876655777,0.3478522123473157,0.3497597781117177,0.3521834611534184,0.35255453229021577,0.3551196805266215,0.3605923972110645,0.3667569172212719,0.36753737236913075,0.37197566392984033,0.3737611573126386,0.37502354309564984,0.37583462897131664,0.3782846917520137,0.3796725046469814],"n_dims_used":45,"mean_confidence":0.8927990383572049},"coverage":{"mean_confidence":0.8927990383572049,"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}}