{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011323},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010622","490:4900010957","490:4900010953","490:4900010524","490:4900010951","490:4900010178","490:4900010876","490:4900010452","490:4900010964","490:4900010959","490:4900010693","490:4900010706","490:4900010357","490:4900011992","490:4900010174","490:4900010610","490:4900010175","490:4900011022","490:4900011732","490:4900010793","490:4900011120","490:4900010176","490:4900010447","490:4900010872","490:4900010952"],"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":[0.3919727529681453,0.3649064720104871,0.35704588231709466,0.31726492504443926,0.31103376769738866,0.30470545871165267,0.30229452583498123,0.2885173821751387,0.2758055445889636,0.26850976018236444,0.26803351008959825,0.22607631553744598,0.22020539987435409,0.21290142592272512,0.2089133449867942,0.20181928438154656,0.18594278297389888,0.18528104111242227,0.17241574395750495,0.16686796352453812,0.15813784569399722,0.15125391371588703,0.14126258088025126,0.13668485821711565,0.13427846170314064],"twin_dists":[0.1777490672651732,0.18441392439190832,0.18639509169251686,0.19679461798560538,0.1984874636158951,0.20022667429832813,0.20089475748132138,0.20477380425492128,0.20845233181024125,0.2106104540683689,0.2107525827355921,0.22396347221126875,0.225936410975173,0.22844076968356622,0.22983276580818163,0.23235432260209876,0.23822792425833855,0.2384802190826789,0.24351702584777637,0.24577197730972575,0.2494326128293309,0.2524243760405652,0.25695035293303964,0.25910382112680047,0.2602575563099677],"n_dims_used":45,"mean_confidence":0.916789076063368},"coverage":{"mean_confidence":0.916789076063368,"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}}