{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012030},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011077","490:4900011959","490:4900011230","490:4900011231","490:4900010839","490:4900012100","490:4900011299","490:4900012167","490:4900011647","490:4900010928","490:4900011967","490:4900010986","490:4900010415","490:4900011571","490:4900011583","490:4900010680","490:4900010914","490:4900010855","490:4900009011","490:4900011958","490:4900009938","490:4900010684","490:4900012031","490:4900011972","490:4900008336"],"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":[0.2852024845066324,0.25172685729676114,0.16464259548214788,0.16239514198702887,0.15928984539469096,0.14890696357648286,0.14242978596796682,0.13793628594499224,0.133780536470484,0.12966339255503265,0.1218223280397922,0.11475608250054455,0.1136544717957151,0.1056048756267886,0.10519805723446929,0.08924498049406858,0.08589882760184309,0.08515173809646545,0.0811455230420742,0.0809520930480318,0.08075347024164044,0.07744245635122801,0.07630485721040292,0.0753347101941344,0.0691893818527339],"twin_dists":[0.20572347371558178,0.2157176278367103,0.2466916737547683,0.2476296633219193,0.24894129576436147,0.25346719487893316,0.25640961397836365,0.2585098343653416,0.260498218482693,0.2625144420919769,0.2664922972401541,0.2702479577600489,0.27084933594352384,0.275386025681202,0.27562233125601326,0.28550950469865877,0.28775832087701514,0.2882699023445367,0.29107600104236747,0.29121426708996706,0.2913565207177046,0.2937702405327659,0.2946187033702647,0.2953503634889238,0.30017069986840217],"n_dims_used":45,"mean_confidence":0.8900500827365452},"coverage":{"mean_confidence":0.8900500827365452,"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}}