{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001164},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004568","490:4900002906","490:4900002007","490:4900002304","490:4900004285","490:4900001705","490:4900002766","490:4900002325","490:4900007518","490:4900002121","490:4900001582","490:4900003485","490:4900003588","490:4900001294","490:4900003057","490:4900000907","490:4900003993","487:4870001779","490:4900001721","490:4900003052","487:4870008197","490:4900004575","490:4900002770","490:4900000793","490:4900001158"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,487,490,490,490,490],"twin_sims":[0.6718352082020064,0.40893690862013526,0.37676926524500637,0.33425824565578405,0.33215673921518524,0.31814545793326926,0.30697543949803224,0.29957984409159155,0.2770814626102676,0.27411820784036506,0.27014157195538857,0.26666305748955127,0.26641246111147077,0.2580377919121425,0.2516375029110712,0.24936685665435854,0.24697663850998894,0.24196566674375136,0.23522832868601015,0.22550062501046939,0.2247683598520895,0.2247286747290256,0.22398335795097638,0.22383537256443217,0.21967837647901511],"twin_dists":[0.11583496631470666,0.17368200139610693,0.18146420186477077,0.19227051725212446,0.19282301291395576,0.1965569238978611,0.1996004431082971,0.20165073474368989,0.2080785246098511,0.208948301606648,0.2101246483877577,0.2111624471949906,0.21123753508071974,0.21377271368412137,0.21574538643458174,0.21645290133575468,0.217202142866771,0.21878816918747687,0.22095453239841353,0.22415541508656206,0.22440003300596867,0.22441330520329464,0.2246628573225127,0.22471247255715915,0.2261152292052187],"n_dims_used":45,"mean_confidence":0.9168120490180122},"coverage":{"mean_confidence":0.9168120490180122,"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}}