{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002064},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003366","490:4900003920","490:4900006553","490:4900003500","490:4900004339","491:4910001867","490:4900003911","490:4900004205","490:4900005427","490:4900003919","490:4900005822","490:4900003779","490:4900006435","490:4900004052","490:4900007046","490:4900003507","490:4900004069","490:4900003775","490:4900004340","490:4900002964","490:4900005157","490:4900002966","490:4900003245","490:4900003921","490:4900004200"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2674707215436581,0.13663234137076502,0.1275254102981301,0.12601676429594402,0.07915900851755256,0.07744868236947995,0.07676240415974536,0.07258666647060652,0.05649270866000122,0.053609160097384805,0.0498606684884042,0.03955370122484906,0.037361917638079785,0.03708298506861654,0.034557648456376454,0.03384354731426958,0.03318992628590818,0.030135850002482728,0.028530582703968146,0.027598912926946797,0.027242343473986724,0.026360361060312566,0.02366631242983342,0.02355246332485305,0.023485528975817085],"twin_dists":[0.2109207393910412,0.2591288369378207,0.26358056076690917,0.26434102802834625,0.29250875600522713,0.2937656246250433,0.29427623181187756,0.29746497659326726,0.31135461232695977,0.31418006603839954,0.31804789183868026,0.3301007866839373,0.33300098848482573,0.3333803481483644,0.3369298848293041,0.33797358999256594,0.3389454841855133,0.3437157093631179,0.34639153123625455,0.3480044453593217,0.3486341588611411,0.3502228219183695,0.3553771645073816,0.355605968777325,0.35574093552982033],"n_dims_used":45,"mean_confidence":0.8983272976345487},"coverage":{"mean_confidence":0.8983272976345487,"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}}