{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012320},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012678","490:4900012254","490:4900012322","490:4900012392","490:4900012674","490:4900012319","490:4900012464","490:4900012390","490:4900012804","490:4900012807","490:4900012742","490:4900012805","490:4900012879","490:4900012806","490:4900012985","490:4900012675","490:4900012982","490:4900012321","490:4900012871","490:4900012812","494:4940007953","490:4900012531","490:4900000380","490:4900012741","494:4940007746"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,494],"twin_sims":[0.5917015906839405,0.44247508171518357,0.4354491096790208,0.4302932817345864,0.37085771078841057,0.35614411823275066,0.3476324771062786,0.274364630004625,0.2638433575714524,0.23599037105739928,0.22603590026349293,0.1621723147859661,0.15616018293159586,0.14812675879596587,0.1416293940279238,0.12444211140455896,0.11365911566041388,0.10881119093048769,0.10674248254563379,0.10572018065266443,0.10310099283386394,0.10214925086767733,0.09911272938132167,0.09320302431091518,0.08790711309909799],"twin_dists":[0.1330504179733109,0.16585039443303237,0.167470353379914,0.16866573728955897,0.1829282793393657,0.18662379096700546,0.18879743548405317,0.20887575267882139,0.21200988290801054,0.22070748822785766,0.22397693660268006,0.24772317295016666,0.25028218794223156,0.25381654475205806,0.2567800598859743,0.26514217026868475,0.2708467914220831,0.2735479268120109,0.2747289676634201,0.27531917808565076,0.27685184913704597,0.27741630035101955,0.2792450916862969,0.2829341926937561,0.2864004582403755],"n_dims_used":45,"mean_confidence":0.9111520555284288},"coverage":{"mean_confidence":0.9111520555284288,"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}}