{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000640},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000643","494:4940007433","490:4900000873","494:4940008152","490:4900002267","490:4900003817","494:4940008349","490:4900013228","490:4900012676","490:4900013161","490:4900013058","490:4900002123","490:4900002887","490:4900000991","490:4900000997","490:4900003278","490:4900003556","490:4900002418","490:4900000990","494:4940007667","466:4660010829","490:4900013156","490:4900005627","490:4900000754","494:4940003380"],"twin_admin_codes":[490,494,490,494,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,494,466,490,490,490,494],"twin_sims":[0.17305012943286563,0.08930691245216399,0.0750862127758501,0.06358711674748438,0.04584505169327095,0.03335938563489186,0.028447257863929033,0.02356119346466455,0.0224624982624107,0.02102313404996683,0.02073544565394675,0.017745916079497777,0.01572170022493256,0.015300962895581383,0.015150054231050345,0.014792719630200858,0.014723086031672298,0.014411222483881441,0.014075951770907686,0.013543365182473871,0.01163652690073937,0.0111646232421463,0.010926387565930548,0.010250924547835834,0.009779057064506273],"twin_dists":[0.24326250465906235,0.28546851840372617,0.29553899556364704,0.3048784928929188,0.32247016657856303,0.33869195194419305,0.3465339246755535,0.355588389793337,0.3578464300401571,0.3609544419775319,0.36159775442553893,0.3687886573442598,0.3742870666645613,0.3755075278638727,0.37595248454886676,0.37702186234474233,0.3772328974118913,0.37818897825250686,0.3792373940592573,0.38094905873287627,0.3876098038857134,0.38940716685609705,0.3903403389366118,0.39308814705378664,0.39510509568633284],"n_dims_used":45,"mean_confidence":0.9118972778320312},"coverage":{"mean_confidence":0.9118972778320312,"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}}