{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001681},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001824","490:4900001973","490:4900001976","490:4900001146","490:4900001832","490:4900001680","490:4900003848","490:4900002741","490:4900003575","490:4900005891","490:4900003444","490:4900004402","490:4900003987","490:4900002898","490:4900002138","490:4900005237","490:4900003700","490:4900002737","490:4900005502","490:4900002444","490:4900003845","490:4900004553","490:4900004135","490:4900001296","490:4900003445"],"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":[0.7060928516827509,0.6833660327493523,0.6384996897878755,0.6067383955001653,0.5766568642519947,0.5181409655095515,0.45839029165639755,0.4237188548678306,0.4234643895011926,0.42251652038374415,0.4167103953812871,0.4157974335215594,0.4085711310440243,0.40255075594381745,0.3830911030797772,0.3565291956975415,0.35155123125786303,0.34995546167603897,0.3467290630061096,0.34364308675715893,0.3259302623078605,0.32263215472270984,0.32210173567958683,0.3074856691540407,0.3072966303343378],"twin_dists":[0.10835121603999828,0.11332985640885847,0.12302262203435387,0.12983000549440168,0.13627638777850423,0.14893245369393832,0.16221674844664052,0.1701985332227175,0.17025805793086007,0.1704799159542544,0.17184350960696135,0.1720586575772946,0.17376888530139933,0.17520391704645993,0.1799108526884491,0.18652609378860588,0.1877932837647778,0.1882014762486328,0.18902977116303182,0.18982583185101826,0.19447132167988465,0.19535147278098472,0.1954934902833005,0.1994600517603211,0.1995120507385509],"n_dims_used":45,"mean_confidence":0.9202221340603298},"coverage":{"mean_confidence":0.9202221340603298,"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}}