{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004345},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004064","490:4900004205","490:4900004346","490:4900003378","491:4910001400","490:4900006802","490:4900002674","490:4900007648","490:4900006553","490:4900005024","490:4900005945","490:4900003779","490:4900006921","490:4900006065","490:4900005159","490:4900003920","490:4900006189","490:4900005562","490:4900006558","490:4900005023","490:4900002963","490:4900005432","490:4900007046","490:4900003376","490:4900002819"],"twin_admin_codes":[490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.06711506862737449,0.0608559150599566,0.052752167005230666,0.052253857502310014,0.05042979336549976,0.04795045498674748,0.04383665204007455,0.04002783974211747,0.036172899660549415,0.031874223836351245,0.028896398938503785,0.028880684370426703,0.028588555827357417,0.02763641308924098,0.027596858843208616,0.02696548843524506,0.0266017463061171,0.025846404656051782,0.02392159106565443,0.02057863223814916,0.020507119311192958,0.019275498709142354,0.019272927567369497,0.01840893841108071,0.017868329147049063],"twin_dists":[0.30187629176193187,0.3072977617704585,0.31504404923713164,0.3155517932294165,0.3174454025761494,0.320112922179205,0.32480490220568015,0.3294913476776111,0.33463517299103923,0.3409524459255206,0.34577058683451223,0.34579712187913475,0.34629267192063246,0.34793862651384255,0.3480080528314112,0.34912800815377604,0.3497835290282965,0.3511698437420886,0.35486757353845283,0.3619516920279139,0.3621138818289607,0.3649875398364167,0.36499370458477826,0.3671071390723999,0.36847410630073046],"n_dims_used":45,"mean_confidence":0.9017262776692708},"coverage":{"mean_confidence":0.9017262776692708,"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}}