{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001927},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001928","490:4900002535","490:4900002383","490:4900004364","490:4900001112","490:4900004216","490:4900003123","490:4900003798","490:4900002529","490:4900003122","490:4900002379","490:4900002084","490:4900002549","490:4900002548","490:4900003137","490:4900004487","490:4900001923","490:4900004086","490:4900003789","490:4900002543","490:4900003516","490:4900002389","490:4900002977","490:4900001114","490:4900002527"],"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":[0.407799147376565,0.4011598232738963,0.38042241048784453,0.33674247480461095,0.3161877090791313,0.31207736490256693,0.29933883765673946,0.27259521435475276,0.23987345173223004,0.2046660830821087,0.20377762673604727,0.1876959901757991,0.17053722224438864,0.16711586207750398,0.16477087805400648,0.15385235320320384,0.1460190589699916,0.13006516293921616,0.12599505738878386,0.12416743765532604,0.11767749084373162,0.10273635253528987,0.1023284023354255,0.08889780774830248,0.08192734999296863],"twin_dists":[0.17395236900711494,0.17553682818012237,0.18056505944434176,0.191619831734653,0.19708591244430101,0.19820260841383505,0.20171804266937843,0.20939757595476374,0.21945666373126985,0.23133526370735696,0.231652251815411,0.2375625339800081,0.24427465955723998,0.24567007500558574,0.24663841433859,0.2512835988311046,0.2547671468502705,0.2623155820264213,0.2643520201397155,0.2652827048898221,0.2686743452352921,0.2770676245694136,0.2773097380078657,0.28573968068794364,0.2905198168380606],"n_dims_used":45,"mean_confidence":0.9153329637315538},"coverage":{"mean_confidence":0.9153329637315538,"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}}