{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000520},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000326","491:4910000522","491:4910000466","491:4910000330","491:4910000098","491:4910000229","491:4910000368","491:4910000519","491:4910000287","491:4910000211","491:4910000200","491:4910000376","491:4910000117","491:4910000228","491:4910000071","491:4910000924","491:4910000373","491:4910000862","491:4910000280","492:4920006760","491:4910000012","491:4910000259","491:4910000521","491:4910000227","491:4910000258"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,491,491,491,491],"twin_sims":[0.7222082548005863,0.6525776682347085,0.5052843876755277,0.44891578437965846,0.44657799559474676,0.3611724403852195,0.3427852798131705,0.30372924095144954,0.2929973862972831,0.2808868249824824,0.25834509180179444,0.23814295003970495,0.1739563263908098,0.1660107728254193,0.1647846161942555,0.1564046954360241,0.1529451701353681,0.14501889790251896,0.1308682223572817,0.12006812281793226,0.11530817323775866,0.11396139939521245,0.11022205733638783,0.10808099503182587,0.09654369471666492],"twin_dists":[0.1047792946774977,0.11999518703951505,0.15175141820606247,0.16437410667125918,0.16490901811975361,0.18535230373157982,0.1900477859204262,0.20049681870631209,0.20350064791815242,0.20696985486020927,0.21367878214047484,0.22001245337427744,0.24290008463924828,0.24612518140099363,0.24663271241519982,0.25017672491301407,0.25168025595615434,0.25522178822037034,0.26191948551534666,0.2674087628853558,0.26994823597594675,0.2706813324582595,0.2727523940249656,0.2739627969520819,0.2808269391808211],"n_dims_used":45,"mean_confidence":0.8907948811848958},"coverage":{"mean_confidence":0.8907948811848958,"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}}