{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002301},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003866","490:4900002750","490:4900003457","490:4900003593","490:4900003323","490:4900003060","490:4900002601","490:4900003744","490:4900004577","490:4900004008","490:4900003199","487:4870011463","490:4900003058","490:4900002639","490:4900002452","487:4870011579","487:4870011453","490:4900003724","490:4900001996","490:4900003456","490:4900003209","490:4900001840","490:4900003324","490:4900004147","487:4870011466"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,487,487,490,490,490,490,490,490,490,487],"twin_sims":[0.7770089522218766,0.7371243825271658,0.683416406361949,0.6783586128924427,0.590207206812952,0.5900355259163844,0.5893862688259544,0.5659429787667123,0.5647805846141869,0.55239371805995,0.5367716364775936,0.5325562147445622,0.5142018149577239,0.511800703835702,0.49184758741168716,0.4873973266439418,0.4869081623578204,0.48529412634896485,0.48448486246718764,0.4741849599944335,0.47307625275820986,0.47237178209880754,0.46846036625978954,0.46326011197164857,0.45417225761394736],"twin_dists":[0.09225722803639286,0.10143498981088189,0.11331888510913904,0.11441923215757935,0.1333706152346249,0.13340740341283036,0.13354653282518916,0.13857820194640966,0.13882822973776554,0.14149695511640448,0.1448764351916874,0.14579148131935038,0.14979426933378723,0.1503203896833144,0.15471822813951921,0.15570598310650516,0.1558147208701642,0.15617374705289405,0.1563538980757024,0.15865515661698767,0.15890383074333886,0.15906193830544574,0.15994123819640266,0.16111416564321318,0.16317515873639005],"n_dims_used":45,"mean_confidence":0.9177296956380209},"coverage":{"mean_confidence":0.9177296956380209,"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}}