{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007990},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009821","490:4900012154","491:4910005618","491:4910005808","490:4900010562","491:4910003734","491:4910005468","491:4910003996","491:4910005569","490:4900010820","491:4910003733","490:4900010648","490:4900011141","491:4910005667","490:4900010214","490:4900010476","491:4910003893","490:4900012087","490:4900012155","490:4900011751","497:4970000440","490:4900012291","490:4900010818","490:4900008544","490:4900006308"],"twin_admin_codes":[490,490,491,491,490,491,491,491,491,490,491,490,490,491,490,490,491,490,490,490,497,490,490,490,490],"twin_sims":[0.1629766573154808,0.08774472125300475,0.08425366807781134,0.057225886255667734,0.055874568779678654,0.030781010245830468,0.02687192294292446,0.02400061102235558,0.021614378302103037,0.021354771242642272,0.020023439900885676,0.01581222465463866,0.014304631035408244,0.013181884212217493,0.0074858865468031485,0.0074243170700148365,0.007350765378254853,0.007063533195876551,0.006009691631437384,0.004715127211695037,0.00461035544053572,0.004215845238092714,0.0038224052128578746,0.0033491489907104544,0.002488879307601478],"twin_dists":[0.24738606718094736,0.2865093344745587,0.28888962705581045,0.31065526306360886,0.3119500805261761,0.3426746323817104,0.34929589650446435,0.3547107873741592,0.3596560374468219,0.3602222944760203,0.3632239840091913,0.3740282382109192,0.37851994278751033,0.3821450272709862,0.4063530021082973,0.406695671643143,0.40710839036622243,0.40875650158648946,0.41537027943052807,0.42510756295506713,0.4259982299891043,0.42952558761422377,0.4333557816186761,0.43847015648051385,0.4497455327785958],"n_dims_used":44,"mean_confidence":0.8827520717274059},"coverage":{"mean_confidence":0.8827520717274059,"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}}