{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003325},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002318","490:4900004437","490:4900002467","490:4900002461","490:4900001598","490:4900002611","490:4900002762","490:4900003598","490:4900002332","490:4900002313","490:4900002907","490:4900002617","490:4900002614","490:4900003475","490:4900003458","490:4900002161","490:4900004012","490:4900002483","490:4900002150","490:4900002793","490:4900001870","490:4900003193","490:4900002340","490:4900001703","490:4900001426"],"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":[0.8229256404186346,0.6827136999090532,0.6603301378922554,0.644279632587376,0.6286108640439988,0.6114460602540811,0.6039789719564714,0.5986873302607142,0.594956516256227,0.5934321220492749,0.591422716083262,0.5801386963347425,0.5668798559391133,0.5439067241783258,0.5378612681222187,0.5346247900168982,0.5254030184675325,0.5238709852180838,0.5142592254720492,0.509182859949942,0.4917685666734243,0.4914418923422936,0.49093603692263027,0.4882462572213109,0.4864162124218289],"twin_dists":[0.08108359418883335,0.11347191073917247,0.11832347866896215,0.1217807845766778,0.12514441313947733,0.12882194507690342,0.1304208753316026,0.13155404789747221,0.13235312142683203,0.1326796694887337,0.13311016860915198,0.13552924819358073,0.13837672779034915,0.14333078218793854,0.14464014049637205,0.14534227184158327,0.14734770361975238,0.14768160799052438,0.1497816973356606,0.15089471357679654,0.1547357438215766,0.15480816306121448,0.15492033245417153,0.15551735056047544,0.15592411150056076],"n_dims_used":45,"mean_confidence":0.9178764343261718},"coverage":{"mean_confidence":0.9178764343261718,"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}}