{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011603},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011188","490:4900011597","490:4900011401","490:4900011604","490:4900011723","490:4900011606","490:4900011669","490:4900011731","490:4900011035","490:4900011529","490:4900011596","490:4900011988","490:4900010798","490:4900011119","490:4900010077","490:4900011462","490:4900011799","490:4900011789","490:4900011034","490:4900011922","490:4900012122","490:4900010702","490:4900010949","490:4900011602","490:4900007944"],"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":[0.42565741937869084,0.3226640432585488,0.2617403911847155,0.2402202304991684,0.22678246225838514,0.2165500557501745,0.18610379376458483,0.17547164448164226,0.17389995478720996,0.15844972725252884,0.15558499977686072,0.1555178706490862,0.15143320744274646,0.14266581224555325,0.12712351130166136,0.12311347807984546,0.12299186046764662,0.12161949590091886,0.11794247061547936,0.11142337876816083,0.10824879163749092,0.10443657418455841,0.10436292858750475,0.10289803319620046,0.1025671557343095],"twin_dists":[0.16974555107980666,0.1953429389122696,0.21264559967873065,0.21934560175297604,0.22372847597391105,0.22718263304743108,0.23816663299269558,0.2422970554761706,0.24292259023149734,0.24929934158228687,0.2505307524072921,0.2505598059071932,0.25234520147041983,0.25630066940567736,0.263782478023256,0.26582415912207813,0.2658868648901843,0.2665977477754425,0.2685331023818364,0.2720811993679311,0.27386726937641687,0.2760665660400671,0.27610966306810286,0.27697187664217354,0.27716794956764457],"n_dims_used":45,"mean_confidence":0.9134336683485244},"coverage":{"mean_confidence":0.9134336683485244,"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}}