{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002461},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002617","490:4900002318","490:4900003073","490:4900002614","490:4900001598","490:4900002467","490:4900004437","490:4900003325","490:4900003598","490:4900002459","490:4900002913","490:4900002793","490:4900001030","490:4900002464","490:4900001696","490:4900002763","490:4900004294","490:4900003336","490:4900002628","490:4900002321","490:4900004019","490:4900002150","490:4900002762","490:4900003735","490:4900002483"],"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":[0.8355643300731075,0.7847429013327842,0.7177511738015145,0.7066701657440819,0.6816481604918213,0.6687575713874416,0.6532057865143751,0.644279632587376,0.5968974083826852,0.589290796526246,0.5822820000771757,0.5815173883327497,0.5700575976946729,0.5561852667033491,0.5554752573487338,0.5446653075283009,0.5357427789014599,0.5318726692663992,0.5276563004414793,0.5266383720981507,0.5155516047721118,0.5039769504011385,0.5001789797382182,0.4929981369429776,0.4906422335560886],"twin_dists":[0.07784844863126944,0.09042830105701238,0.10577116102511366,0.10822391207051918,0.11370385611502065,0.11650163691469671,0.11985987728830695,0.1217807845766778,0.13193739766270993,0.13356699229411872,0.13506951829221264,0.13523350916452537,0.13769364863262917,0.1406791701886454,0.14083224496007055,0.14316667291569427,0.14509963703433817,0.14593999799269133,0.1468569975330864,0.1470786184774558,0.14949877836811143,0.15203912551884066,0.15287604018260634,0.15446329196236985,0.15498549676153248],"n_dims_used":45,"mean_confidence":0.91741943359375},"coverage":{"mean_confidence":0.91741943359375,"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}}