{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000546},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000459","494:4940007633","490:4900000260","494:4940008159","494:4940008801","490:4900000366","494:4940007341","490:4900000452","490:4900012732","490:4900000301","494:4940008045","494:4940007003","494:4940008058","494:4940008344","490:4900000362","494:4940007840","494:4940008036","494:4940008278","490:4900000999","490:4900000375","490:4900000263","490:4900000364","490:4900000529","487:4870001724","494:4940007946"],"twin_admin_codes":[490,494,490,494,494,490,494,490,490,490,494,494,494,494,490,494,494,494,490,490,490,490,490,487,494],"twin_sims":[0.30954916564586754,0.1644544176881603,0.11596391350856149,0.08824063305489736,0.07418478951381788,0.06492777674703547,0.05812277606957714,0.05382086167155246,0.049924789148462496,0.04741649410579638,0.046247820380503214,0.045495752454865895,0.04179946841553113,0.041406157014754155,0.04139063194327047,0.041379380363500966,0.04121952977666916,0.03944321770608246,0.03832806599449595,0.037092306528944255,0.02918884939868068,0.029097207149928223,0.02526241758273583,0.024854088867585254,0.023013134048294085],"twin_dists":[0.19889363706622878,0.2467698543304265,0.26959367388556954,0.28617734855397314,0.296227514504127,0.303721964350762,0.30980973957825925,0.3139684033229156,0.31797972667221314,0.32070243175584995,0.32201231046136264,0.3228699768316615,0.3272667855801997,0.3277536857108221,0.327772984827734,0.32778697540871987,0.3279860860959773,0.33024368422819883,0.3317052811858871,0.33336763155832233,0.3452790131880981,0.3454325959064747,0.352265841208413,0.3530452507405441,0.35670307193478157],"n_dims_used":44,"mean_confidence":0.9102734652432528},"coverage":{"mean_confidence":0.9102734652432528,"n_dims_used":44,"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}}