{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003404},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001515","490:4900001124","490:4900001383","490:4900001648","490:4900003649","490:4900001377","490:4900001513","490:4900003536","476:4760003284","490:4900002845","490:4900003267","490:4900004645","490:4900003139","490:4900002695","490:4900001511","490:4900003952","490:4900003521","490:4900001245","476:4760003768","490:4900006086","490:4900003130","490:4900002988","490:4900013120","476:4760004466","476:4760004409"],"twin_admin_codes":[490,490,490,490,490,490,490,490,476,490,490,490,490,490,490,490,490,490,476,490,490,490,490,476,476],"twin_sims":[0.09627193995567959,0.013970217095280154,0.005961811727111538,0.004766029425598493,0.0036649814206317524,0.0024706374779654232,0.0021188888035959755,0.0020484607483084866,0.0013810573132427494,0.0012858148629212975,0.0010884024169253903,0.0009722747715808313,0.000873948661037791,0.0007723113214283929,0.0007627986374300501,0.0005837226401651143,0.00050057862371925,0.0004990213184414774,0.0004965494392049669,0.00042762374420034655,0.00040795571400413917,0.00038270130068131215,0.0003670851995897969,0.00035745952826539504,0.00035724327709339454],"twin_dists":[0.2809961948671674,0.37957260685465094,0.41569497731179567,0.4246813013945106,0.43498965829307057,0.4500213419303859,0.45574152975115856,0.45699090045930646,0.47131757084812725,0.47386794398615883,0.4797643134032887,0.4837148074229635,0.4874184118368875,0.4916782166315137,0.4921032061374145,0.5011904967989452,0.5063355020445653,0.5064392889792255,0.5066046508629038,0.5115560316586859,0.5131062050930605,0.5152026382863719,0.5165647843362893,0.517431706285162,0.517451432754814],"n_dims_used":45,"mean_confidence":0.9134375678168403},"coverage":{"mean_confidence":0.9134375678168403,"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}}