{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002990},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001246","490:4900003810","490:4900003398","490:4900004357","490:4900003257","490:4900002698","490:4900004354","490:4900002991","490:4900002697","490:4900003949","490:4900004217","490:4900003648","490:4900003662","490:4900002994","490:4900002995","490:4900003391","490:4900002986","490:4900003127","490:4900003266","490:4900003803","490:4900003535","490:4900003794","490:4900003522","490:4900003255","490:4900004355"],"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":[0.5593775494658406,0.5416116484540429,0.5072110445087138,0.45783196984884417,0.4521738540944992,0.39053870725479595,0.38448786600035256,0.3793995939456206,0.377798758038047,0.35349958206043675,0.33069406589966754,0.3253677239895491,0.32462951905508425,0.32368582056931633,0.3192836013516837,0.316835684228101,0.3082891482707237,0.2903324970865409,0.2863517000775399,0.2766689753095144,0.25611107841381703,0.23788544936779438,0.23018502725433884,0.2297141892258851,0.22944170572590483],"twin_dists":[0.13999127938792286,0.14382754235095233,0.15132781101089854,0.16234342500692667,0.163630364873943,0.1780965384950963,0.17956931954740607,0.1808163799815027,0.18121038776831552,0.18729621024732623,0.19320868390420132,0.1946210925672241,0.1948178512565239,0.19506974392854323,0.19625023794767205,0.19691062370313975,0.19923924359396852,0.2042565646984267,0.2053934942156077,0.2081992562312098,0.21436326310361564,0.2200953800260756,0.22260288803728245,0.2227579854803257,0.22284783937786082],"n_dims_used":45,"mean_confidence":0.9177931043836806},"coverage":{"mean_confidence":0.9177931043836806,"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}}