{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002148},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003338","490:4900002608","490:4900001699","490:4900003466","490:4900002303","490:4900002017","490:4900003603","490:4900001863","490:4900001732","490:4900003471","490:4900004161","490:4900004302","490:4900003330","490:4900003074","490:4900003072","490:4900004444","490:4900002164","490:4900003455","490:4900003594","490:4900004149","490:4900003329","490:4900003198","490:4900002472","490:4900001596","490:4900002016"],"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":[0.7717852845634688,0.771304752031245,0.7488602508458417,0.7439844087856662,0.699486537953232,0.6986887784762444,0.6754096598371686,0.6615540392254863,0.612424719375888,0.6113617995189045,0.6044195975158132,0.5976182577629826,0.5967877693884335,0.595626149393177,0.5754066638130614,0.5707856474232583,0.5441518663871074,0.5397024023130521,0.525296389198801,0.525010517265116,0.518451092367863,0.5147011772087048,0.5026385091512234,0.48746127222007996,0.4843350290824903],"twin_dists":[0.09348237063850803,0.09359468071145237,0.09877343587038835,0.09988271850503938,0.10980482453589097,0.10997997867784633,0.11505968786550543,0.11805921032529401,0.12861237116486596,0.12883998872900138,0.1303265241811136,0.13178300854697095,0.1319608802729792,0.13220968603623737,0.1365447572098,0.13753720939620784,0.14327774452280928,0.14424108684603132,0.14737093623093722,0.14743322781554105,0.14886467101973813,0.14968492851158965,0.15233386447817895,0.1556917709138434,0.1563872628496104],"n_dims_used":45,"mean_confidence":0.9176310221354167},"coverage":{"mean_confidence":0.9176310221354167,"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}}