{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005560},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005820","490:4900005283","490:4900004613","490:4900005548","490:4900005819","490:4900004612","490:4900005150","490:4900004742","490:4900004474","490:4900006434","490:4900004341","490:4900006068","490:4900004750","490:4900004757","490:4900004756","490:4900005284","491:4910002467","490:4900006427","490:4900004061","490:4900004201","491:4910002160","490:4900006793","490:4900012432","490:4900003509","490:4900004754"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,491,490,490,490,490],"twin_sims":[0.19643680847732328,0.06949891654706725,0.049072788425905504,0.033742924557502225,0.02942487959391605,0.027162810989665033,0.022013889523184504,0.01948008518502135,0.011501973831686642,0.01018041379676399,0.0078059626089510255,0.007366038619940365,0.004365635287507594,0.004088520364163147,0.003957733708240026,0.003264901091232849,0.0030006626219357072,0.0025562611567271428,0.0025432999884054965,0.0024161082855493126,0.0022021002921357286,0.00203672888433465,0.0018426791021571303,0.001835973077600807,0.001782631378313794],"twin_dists":[0.23430843997611497,0.29991976489561667,0.31889149012558776,0.3381221617405029,0.34488534917577957,0.3487755833064543,0.3587960680182675,0.36449929585800916,0.38811558541567903,0.3933842102817479,0.40461134543844146,0.4070223838440911,0.42815234173530026,0.4307281896202633,0.4319994716442374,0.43944912378820816,0.4426766571231494,0.4487425560719017,0.4489335855034268,0.4508570774239944,0.4543136429582725,0.457202846558955,0.4608818925839278,0.4610153067916912,0.46209279447397283],"n_dims_used":45,"mean_confidence":0.900044420030382},"coverage":{"mean_confidence":0.900044420030382,"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}}