{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008224},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010232","490:4900010769","490:4900011161","490:4900009525","490:4900011365","490:4900010771","490:4900008450","490:4900011632","490:4900012050","490:4900008115","490:4900011643","490:4900009526","490:4900012114","490:4900011019","490:4900009617","490:4900010322","490:4900011101","490:4900010939","490:4900011317","490:4900010926","490:4900010233","490:4900010828","490:4900011178","490:4900011439","490:4900007904"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.0060274290644230745,0.003508793856122425,0.0034083753878189527,0.0022776194637588393,0.0012425211372115586,0.0009957110095981316,0.0009780877589186116,0.0009765975060339045,0.0008495233596962397,0.0005660140765696531,0.0005210393686649349,0.00034340057238766976,0.0003069763906574579,0.00027556233365000197,0.0001742450595277975,0.00017128374232749238,0.00013606372482059912,0.0001184165273489463,0.00011281222930562516,0.0000779835256726159,0.00006544285151851035,0.0000416992723510424,0.00003474049355394321,0.000032346112966902514,0.000024282977370752113],"twin_dists":[0.4152505851732296,0.4366751456286809,0.4377953009593279,0.45306001394513057,0.4750855180654101,0.4828835259202563,0.4835069014501486,0.4835600919827492,0.4883983624203571,0.5022262245919434,0.5049992026898728,0.5187380479102154,0.5223712594618812,0.5258456390540984,0.5403480404692363,0.540882851734303,0.54801454346738,0.5522736695114244,0.5537524603020497,0.5648872263784545,0.5700982096206503,0.5832803878144238,0.5885365128643144,0.5905796285893179,0.5987125113424184],"n_dims_used":45,"mean_confidence":0.8868990580240885},"coverage":{"mean_confidence":0.8868990580240885,"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}}