{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012812},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012675","490:4900012871","490:4900012804","490:4900012742","490:4900012878","490:4900012254","490:4900012982","490:4900012319","490:4900012531","490:4900012321","490:4900012803","490:4900013149","490:4900012390","490:4900012322","490:4900012678","490:4900012677","490:4900012807","490:4900012387","490:4900012674","490:4900012985","490:4900012740","490:4900012741","490:4900012320","490:4900012802","490:4900013056"],"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":[0.5061738357955586,0.3584853014517093,0.32202384829876096,0.3136140550489215,0.31303229235437263,0.28648185203899307,0.23728726019864715,0.23123626171520306,0.2261999777142813,0.21633040338021298,0.21547172185602054,0.21426850928079968,0.21414888689015635,0.20563808127284797,0.18981247921166808,0.16354311525484871,0.15955402260491816,0.15852640197985973,0.12870787248688945,0.12754442306416555,0.12050926199253385,0.11726554477576895,0.10572018065266443,0.10236384528707572,0.10232770173752788],"twin_dists":[0.15155580520591355,0.18603065064748767,0.1955143553013449,0.19778414836452934,0.19794243197293623,0.20535617326128452,0.22028824963585225,0.22225735721060794,0.22392228394550143,0.22725796834480103,0.2275529701664999,0.22796767309717555,0.22800898835436295,0.23098954663425111,0.23676504777691826,0.2471493831958286,0.24882899153961255,0.24926660670166828,0.26298926261551603,0.26357102054720544,0.26717733731936266,0.2688944107011726,0.27531917808565076,0.27728867319747325,0.27731015445163487],"n_dims_used":45,"mean_confidence":0.9099861145019531},"coverage":{"mean_confidence":0.9099861145019531,"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}}