{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":474,"cluster_id":4740003699},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["474:4740003781","474:4740003952","474:4740003867","474:4740003446","474:4740003865","474:4740003870","474:4740003696","486:4860002324","474:4740003614","486:4860002322","474:4740003784","486:4860002399","486:4860002583","486:4860002497","474:4740003863","486:4860002679","474:4740003866","474:4740004040","474:4740003861","486:4860001165","474:4740003694","486:4860002496","474:4740003864","486:4860002323","474:4740004039"],"twin_admin_codes":[474,474,474,474,474,474,474,486,474,486,474,486,486,486,474,486,474,474,474,486,474,486,474,486,474],"twin_sims":[0.8689392728417028,0.8439436181215209,0.8255923650347318,0.7946008891951911,0.786634782610711,0.7596137638269619,0.7575530779572133,0.7553095611399376,0.7390555534226857,0.7145014057538408,0.6899492645981171,0.6776704799315564,0.677626254272822,0.6608055981433302,0.6510258837103572,0.5885601357584598,0.5825278736050877,0.5810784431622041,0.5776729056545588,0.575870576438941,0.5702659714022511,0.5634124859231622,0.5311562441304345,0.5109465894061487,0.5100927174494418],"twin_dists":[0.06884132856685446,0.07565555976216407,0.0804077551508493,0.08806894544475934,0.08997803479614973,0.09630789698308302,0.09678249480149365,0.09729802710312171,0.10099897025339964,0.1064923777340336,0.1118938186404415,0.11456875184508483,0.11457835984996041,0.1182208279541256,0.12032937869662302,0.1337235770797371,0.13501678779647866,0.135327659907399,0.13605832260712436,0.13644516683593103,0.1376488722275747,0.13912258644915204,0.14609570119442178,0.15050768940591616,0.15069501590022225],"n_dims_used":45,"mean_confidence":0.9233340793185764},"coverage":{"mean_confidence":0.9233340793185764,"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}}