{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010120},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010022","490:4900010818","490:4900010146","491:4910003996","490:4900009820","491:4910005006","490:4900011359","491:4910004853","490:4900009921","491:4910004857","490:4900009625","490:4900009819","490:4900011949","491:4910005416","491:4910003945","491:4910004910","490:4900010212","490:4900010213","490:4900007885","491:4910004444","491:4910004804","490:4900010306","490:4900010023","491:4910005314","490:4900009622"],"twin_admin_codes":[490,490,490,491,490,491,490,491,490,491,490,490,490,491,491,491,490,490,490,491,491,490,490,491,490],"twin_sims":[0.15069999692853286,0.04572426521743175,0.04539722729362962,0.03231017398649982,0.027832565118027106,0.027440988908726264,0.026998514213123853,0.025496023636818726,0.023311851040511578,0.01761495550567629,0.017208541196869466,0.01452287353419923,0.013197072577337795,0.012963151883119885,0.012317349798845445,0.012032535286049757,0.011437514686264635,0.010925359601235692,0.009004146139021117,0.008356965176148116,0.006414399826406194,0.004922983227517735,0.004883511021515662,0.0045470306199019775,0.0044432886331815125],"twin_dists":[0.25266941774647916,0.3226081299633294,0.32298321448399925,0.34027973796751326,0.3475955953085193,0.3482824750479113,0.3490688685055643,0.3518248215159539,0.35609270186895603,0.3691272834102642,0.3701923867681916,0.377844611160853,0.3820941959003178,0.3828828708040188,0.3851275218595046,0.3861507714532666,0.38835974960907643,0.3903444045307724,0.39861398416001403,0.4017578599750823,0.4127152856488006,0.42339244546529503,0.42371303560291923,0.42654549840783734,0.4274571883643658],"n_dims_used":44,"mean_confidence":0.8833104913884943},"coverage":{"mean_confidence":0.8833104913884943,"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}}