{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008930},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009138","490:4900009228","490:4900008574","490:4900008591","490:4900009665","490:4900008258","490:4900009320","490:4900009024","490:4900009328","490:4900009040","490:4900011652","490:4900009225","490:4900009224","490:4900011907","490:4900008370","490:4900009740","490:4900008883","490:4900009215","490:4900008460","490:4900009559","490:4900009422","490:4900009216","490:4900009321","490:4900009027","490:4900009234"],"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":[0.0005909692171720907,0.00026463298540442656,0.0001422789532627317,0.0001352471228926532,0.00010725548761645674,0.00010369916487104334,0.00008538762448417695,0.00006994247261971221,0.000056984233059255185,0.000050741312912749105,0.000036044134246485425,0.00002782773722129043,0.000025303786551407876,0.000023245736694777764,0.00002006052682333927,0.000012330421438649748,0.000012267240653307228,0.000012227640354229759,0.000011553260960990767,0.000010896506392343174,0.000009645101599768846,0.000009003578460078506,0.0000074285332077161655,0.0000069012918710837726,0.000006898932808064005],"twin_dists":[0.5007750940762798,0.527142182433538,0.5466380287098941,0.5481997928461033,0.5552889021720243,0.556312223233166,0.562172317427098,0.5681274045551307,0.5741784996406075,0.5775771251387567,0.5874797868295069,0.5948613707745987,0.5975512742742753,0.5999410997726453,0.6040701432787998,0.6175102645391559,0.6176505705622741,0.6177388637732304,0.6192859755820507,0.6208779781939059,0.6241833358095574,0.6260405223622286,0.6312002200148021,0.6331644845382524,0.6331735922946841],"n_dims_used":45,"mean_confidence":0.8970021565755208},"coverage":{"mean_confidence":0.8970021565755208,"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}}