{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000288},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000286","490:4900000433","490:4900000423","490:4900000948","490:4900000287","490:4900001191","490:4900000836","494:4940008531","490:4900001045","490:4900000832","490:4900000835","490:4900000348","490:4900000026","490:4900000703","490:4900001726","490:4900000823","490:4900000830","490:4900003487","494:4940008238","490:4900000030","490:4900000025","496:4960008265","494:4940008233","490:4900000046","490:4900000688"],"twin_admin_codes":[490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,494,490,490,496,494,490,490],"twin_sims":[0.6726911633560759,0.6302878282254425,0.5896545786570356,0.5094661052396549,0.47621674385560847,0.46791969607535894,0.45827403341200856,0.4548690252971122,0.444817253445547,0.4446751210125818,0.4080912670084134,0.40603254378127634,0.40466452393091495,0.4008349950946011,0.39655567754956095,0.38917853550818055,0.3795350280845118,0.37545331833914636,0.3752892106418437,0.3721232359520006,0.3714305171289543,0.3685804338244423,0.36106855790734815,0.36037886714933465,0.3554012693381219],"twin_dists":[0.11564941341826149,0.12478480964286505,0.1334890356758345,0.1508325363556564,0.15819994016667607,0.1600629779152399,0.16224312148259543,0.16301661862743577,0.16531259678259108,0.16534520145782064,0.17388292049033197,0.17437283219764013,0.1746989894954403,0.17561464891780004,0.17664255947621152,0.17842666237315802,0.18078308308957047,0.18178913239309644,0.18182969251617392,0.18261389295900723,0.18278591500673597,0.18349535314096815,0.18537848008825436,0.18555236607507564,0.18681241164296303],"n_dims_used":45,"mean_confidence":0.9132948133680555},"coverage":{"mean_confidence":0.9132948133680555,"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}}