{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003104},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002367","490:4900004051","490:4900004330","490:4900004191","491:4910002715","490:4900002216","490:4900005150","490:4900006308","491:4910002116","490:4900005284","491:4910002015","490:4900002062","491:4910002467","490:4900005548","491:4910002062","491:4910002011","490:4900005283","490:4900002518","490:4900005016","491:4910001920","491:4910001971","490:4900004466","491:4910001865","491:4910001910","490:4900002218"],"twin_admin_codes":[490,490,490,490,491,490,490,490,491,490,491,490,491,490,491,491,490,490,490,491,491,490,491,491,490],"twin_sims":[0.015392980656864072,0.011460773025317967,0.009262769429314097,0.006489144762257284,0.004979401100880197,0.004469960562050312,0.0037815593925184065,0.0036036781879252426,0.003381903084341852,0.00273494146407804,0.0026194147536124984,0.00150466386221576,0.0012682652300219808,0.0012630408377498294,0.0012142519899338974,0.001086890503760637,0.0009248862298482305,0.0006826942725067481,0.00041640659067562064,0.0004008156106426051,0.00038676356115133366,0.00031446355174766715,0.00031322558796459854,0.00027688005126781635,0.000261823186119026],"twin_dists":[0.3752381045688082,0.38827150896775064,0.39741390240521723,0.4122415303585737,0.4229382432717159,0.42722096396519854,0.43377374229532434,0.43564325814316573,0.43809560696206745,0.4461957136895133,0.4478242708617104,0.46823979267740473,0.4743568627781539,0.4745036191812333,0.4759019119272384,0.4798131827801379,0.485454080296793,0.495891454706839,0.5124317472646536,0.5136863213309896,0.5148568355767071,0.5215925754494812,0.5217201185822566,0.5256925941758354,0.5274836319377161],"n_dims_used":45,"mean_confidence":0.8978500366210938},"coverage":{"mean_confidence":0.8978500366210938,"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}}