{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008000},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008440","490:4900009519","490:4900009447","490:4900010314","490:4900010659","490:4900007889","490:4900007776","490:4900007775","490:4900010313","490:4900009930","490:4900010567","490:4900008111","490:4900004749","490:4900011171","490:4900009842","490:4900010128","490:4900010824","490:4900009942","490:4900008549","490:4900010581","490:4900006072","490:4900011308","490:4900011443","490:4900010569","490:4900011244"],"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":[0.053464398870033784,0.04268842565661756,0.03843217483001942,0.03056405858444494,0.02781484271479519,0.026411031005795445,0.022680825048564293,0.022638746494577075,0.012692362129929698,0.01168909932632769,0.010071333349012035,0.010060555563699062,0.00993044688451471,0.00916792621935384,0.00900358536156229,0.008771782415598044,0.008732319226256082,0.008631923209218368,0.008540943362320821,0.008347664338191278,0.0067796111447741446,0.006437234582821651,0.006419138918066289,0.004871327722391919,0.004025495500379696],"twin_dists":[0.31432519999857034,0.32618036087784186,0.33156731674837464,0.34302261728949807,0.34762650266101036,0.3501303217291752,0.35739020952547396,0.35747784035702285,0.38381173646841926,0.38741359516457086,0.3938458409304204,0.3938916942928905,0.39444871549055066,0.39785048307217147,0.3986166196129412,0.39971878627227886,0.3999090135924052,0.4003964493490724,0.40084256972789495,0.40180460908148813,0.4104459375345162,0.4125700269849551,0.4126851006114165,0.42381246159874997,0.43133611855806503],"n_dims_used":45,"mean_confidence":0.8884696112738715},"coverage":{"mean_confidence":0.8884696112738715,"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}}