{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003879},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004156","490:4900003340","490:4900004442","490:4900001874","490:4900001840","490:4900003457","490:4900003058","490:4900004292","490:4900004147","490:4900002601","490:4900003607","490:4900004183","490:4900003223","490:4900004577","490:4900004307","487:4870001952","490:4900003061","490:4900002750","490:4900004044","490:4900003199","490:4900002455","490:4900003084","490:4900003728","490:4900004580","490:4900003060"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7107658275988102,0.656290464471057,0.6084756111508238,0.5320021349144137,0.5265902501619673,0.525392371972265,0.5195717777235881,0.49601334557711313,0.49600786819048537,0.48528608784684524,0.47967019972267133,0.46954718521382155,0.45424027113234977,0.4538224449109768,0.4537868896565059,0.44905545392129675,0.4402864133602355,0.43021296211597854,0.420231440794135,0.40338277840819253,0.4026305128939353,0.4007157442011437,0.39995226515823235,0.39819703013998214,0.3946523440571708],"twin_dists":[0.10731944055307865,0.11919503845480375,0.12945801958765973,0.14591186543351758,0.1470890977977599,0.14735002325342253,0.14861980962833957,0.1537960107893974,0.15379722189871403,0.15617553605506243,0.15742764734518722,0.15969666972585977,0.16315967925624691,0.16325478750010244,0.1632628822946917,0.1643421820507557,0.16635394124923686,0.1686844051436886,0.17101562296979336,0.1750050254508919,0.17518484345863763,0.1756432256286344,0.17582627355627434,0.1762477037013057,0.17710138093384664],"n_dims_used":45,"mean_confidence":0.9167675442165799},"coverage":{"mean_confidence":0.9167675442165799,"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}}