{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002254},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002408","494:4940008960","490:4900002851","490:4900002556","490:4900002252","490:4900002406","490:4900004240","490:4900001525","490:4900004112","494:4940007654","490:4900004375","490:4900001940","490:4900003000","490:4900003832","490:4900004378","490:4900008946","494:4940008888","490:4900009994","490:4900004931","490:4900008954","490:4900009044","490:4900002998","490:4900001523","494:4940008978","490:4900002255"],"twin_admin_codes":[490,494,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490],"twin_sims":[0.39722883692115907,0.23306791323245718,0.20779415693693254,0.17223834750264186,0.17104580886980436,0.13216294723779948,0.10575855020105367,0.10463877834011749,0.10408992100417797,0.102127279359895,0.09311117993864947,0.07714317305981724,0.07605043863391144,0.07220007831776931,0.0686509225352533,0.06070995189743876,0.05928923306122555,0.05445969662377486,0.05386111335965064,0.05273583522559997,0.04764565629485573,0.0470202017518936,0.0449547602606506,0.04199522265540032,0.041293307963944474],"twin_dists":[0.1764805289107352,0.22165777291355984,0.23022664818614405,0.24358831875504383,0.24406895157642886,0.2612847245104773,0.2752969460743027,0.2759483587562841,0.2762696326516196,0.2774293794210492,0.2829929624337894,0.29399247915840365,0.29480985067558835,0.29776762733360734,0.300609403292882,0.30742954404540207,0.3087260288709146,0.3133338413187908,0.3139282371336169,0.31506062698110204,0.32044875340635165,0.3211435492850188,0.3234943086611399,0.32702588874807526,0.3278941068721189],"n_dims_used":45,"mean_confidence":0.9171893649631077},"coverage":{"mean_confidence":0.9171893649631077,"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}}