{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001944},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001789","490:4900002407","490:4900001523","490:4900011944","490:4900003687","490:4900009067","494:4940008989","490:4900007835","490:4900002112","490:4900001263","490:4900010207","490:4900002551","490:4900002257","490:4900011878","490:4900010211","490:4900002853","490:4900009156","490:4900001653","490:4900001950","490:4900004105","490:4900011349","490:4900012150","490:4900002098","490:4900008166","490:4900001947"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.1386887576337091,0.12537966902474468,0.11361378961418811,0.09640975502711394,0.08054101408090691,0.07403723219554105,0.06924271782147287,0.06853495486556974,0.0626707199381572,0.06067307698643755,0.0590687532456196,0.0585093284604007,0.056294898514251845,0.05377368008583082,0.05222392959440537,0.051209887473068656,0.05107841832521144,0.05088176289207896,0.04908209923723492,0.04469774135312806,0.04247513178859661,0.04220652607472243,0.04052391182660489,0.04020021857088787,0.039678337758253565],"twin_dists":[0.25815461319091765,0.26466424479555556,0.27087163043071794,0.280910313301774,0.29150899246864814,0.296340863421456,0.3001273962566292,0.3007042526180367,0.3056805639718236,0.3074628775953057,0.308929514204283,0.3094486394574928,0.3115445790546062,0.31401551640116665,0.3155824155690061,0.31662870757864797,0.316765616458751,0.3169709570468538,0.3188814551299355,0.3237931318898311,0.32643928530484406,0.32676691611514685,0.3288602085462736,0.32927128974104936,0.32993998825354753],"n_dims_used":45,"mean_confidence":0.9149152967664931},"coverage":{"mean_confidence":0.9149152967664931,"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}}