{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008544},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910005762","490:4900010820","490:4900012175","490:4900010825","490:4900012170","491:4910005415","490:4900012105","490:4900011219","490:4900012088","491:4910005807","490:4900007781","490:4900009822","490:4900010023","490:4900009922","490:4900009821","490:4900010144","490:4900008104","490:4900010648","490:4900004742","490:4900007990","490:4900006434","490:4900007162","490:4900010487","490:4900005820","490:4900010235"],"twin_admin_codes":[491,490,490,490,490,491,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.117407660892619,0.046055367906293845,0.044581720404500896,0.02538447628867626,0.022578397797749526,0.019957770091822317,0.01688866454710667,0.016794388323691265,0.010569038772410035,0.008678718911245564,0.007369885487831099,0.005349663081866746,0.005268668221172703,0.0048557568503866414,0.004636670098944703,0.004479810081604897,0.004194821417834477,0.0036877713234106727,0.0035046689312555938,0.0033491489907104544,0.0028805215821468286,0.0027981331299102496,0.0027808373797398762,0.002578426868802858,0.0023741651387781527],"twin_dists":[0.2688184240753177,0.3222306666053303,0.32392849626343495,0.3520349718583703,0.35760376684735234,0.3633765023984186,0.3710463242592798,0.3713007098863834,0.3917745840590743,0.4001686225059776,0.4070007466548379,0.4200680500487426,0.42068019085412856,0.4239398615637894,0.4257728155858087,0.42713405338971105,0.42972186558021014,0.43474921498000185,0.43672057954954324,0.43847015648051385,0.444230890956815,0.44533137231288417,0.4455661553189994,0.4484179116998438,0.45151176695629647],"n_dims_used":45,"mean_confidence":0.886546156141493},"coverage":{"mean_confidence":0.886546156141493,"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}}