{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003902},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003889","490:4900000178","490:4900000564","490:4900001028","490:4900000588","494:4940008313","490:4900001340","487:4870002546","490:4900005658","490:4900000097","490:4900003088","490:4900000897","490:4900001706","494:4940003870","490:4900004590","494:4940008662","494:4940006057","490:4900001427","466:4660001145","490:4900001887","494:4940008500","490:4900000712","494:4940006492","490:4900006048","490:4900004459"],"twin_admin_codes":[490,490,490,490,490,494,490,487,490,490,490,490,490,494,490,494,494,490,466,490,494,490,494,490,490],"twin_sims":[0.2570771155016241,0.25140135992818224,0.23019956741647618,0.20387258868767363,0.18928445866204235,0.17199937400383483,0.1707908924609787,0.16976793367211412,0.16871851249351894,0.16749900812975982,0.16723428904378834,0.16186118485138543,0.16158997563415636,0.15185906058032603,0.1447695142291495,0.14351021741033182,0.14163158364021994,0.14026919110788144,0.1394660009142012,0.13608910413356964,0.13397074389632027,0.1316930213055787,0.12875717281353735,0.12705505189296118,0.12353993747446693],"twin_dists":[0.21406681724705603,0.215818776258982,0.2225981017360395,0.23161832563806642,0.23696341916396163,0.2436844416634583,0.24417200268333017,0.24458665159244714,0.24501389534627227,0.24551279128192205,0.245621432322152,0.24785389489533635,0.24796799284032783,0.2521574241874645,0.2553355117428741,0.25591200367362316,0.25677904434435994,0.25741319366774335,0.25778920617498274,0.2593880253703994,0.2604062062387854,0.2615145698166418,0.26296469904589437,0.2638169207578722,0.26560464949347906],"n_dims_used":45,"mean_confidence":0.9164730495876736},"coverage":{"mean_confidence":0.9164730495876736,"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}}