{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004347},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003786","490:4900003929","491:4910001691","490:4900007654","490:4900002522","490:4900006549","490:4900006806","490:4900002220","491:4910001622","491:4910001806","490:4900006080","490:4900007536","490:4900007407","490:4900004879","490:4900007645","491:4910001185","491:4910001571","490:4900005431","491:4910001272","490:4900006202","490:4900005828","490:4900007655","490:4900005696","490:4900007305","490:4900007658"],"twin_admin_codes":[490,490,491,490,490,490,490,490,491,491,490,490,490,490,490,491,491,490,491,490,490,490,490,490,490],"twin_sims":[0.39017600748562314,0.2672688863830667,0.19841271679024394,0.0933837261998541,0.09271476475035464,0.06344257498692225,0.062144700258306554,0.053271850598021565,0.050447160193482145,0.04585259561021512,0.038671080218672334,0.03616265114699693,0.027337567033400616,0.0260161961490689,0.025937338841099798,0.024223720547775423,0.022856767019454615,0.020114516436266053,0.019995951895076105,0.019538935063827492,0.01943554687471579,0.01922393718716127,0.018266419049030688,0.017740006727303286,0.01762738581913001],"twin_dists":[0.17818451564742258,0.21098109960312514,0.23358683783214365,0.2828186977613617,0.2832471484464116,0.3050043708065972,0.30614531051125565,0.31451874990018097,0.3174271068475138,0.32246155995817777,0.3312519127412669,0.3346494555466191,0.34846529956649136,0.3508552006040183,0.35100111113953847,0.35427050844645147,0.3570253225623317,0.36301317886462975,0.3632877718432347,0.36435968033138866,0.3646052036083564,0.3651113047788569,0.3674640628539451,0.3688038899758543,0.36909504765495693],"n_dims_used":45,"mean_confidence":0.9022550794813368},"coverage":{"mean_confidence":0.9022550794813368,"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}}