{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002453},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001695","490:4900002465","490:4900003332","490:4900001866","490:4900003060","490:4900003589","490:4900003324","490:4900003061","490:4900001693","490:4900003457","490:4900003199","490:4900001837","490:4900003868","490:4900003864","490:4900004010","490:4900001840","490:4900003727","490:4900004585","490:4900002001","490:4900001558","490:4900004442","490:4900003622","490:4900001839","490:4900003724","490:4900003201"],"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":[0.7997147628885553,0.7331327818140045,0.7058262538553617,0.6978558044377329,0.6882288270676056,0.6843560542630189,0.6797404286808577,0.6514529904607075,0.6246442895966389,0.6064517307272482,0.5967932393267668,0.5916841122490044,0.5877517760455374,0.5870117766055339,0.5806254667578572,0.5787541336475518,0.5492125426353568,0.5421463103809901,0.5351868612193407,0.5275971903969878,0.5162440748960583,0.511322280472003,0.5097325084817277,0.5063680563757065,0.4904705097078481],"twin_dists":[0.08683159215851198,0.10233391721825007,0.10840998837212625,0.11016278027731811,0.11226954947045054,0.11311418447375296,0.11411885427288136,0.12023741047790722,0.12599471057611017,0.1298913881152582,0.13195970871188212,0.133054162798567,0.13389682606415676,0.13405543631059894,0.13542482614388096,0.13582630432797368,0.14218377092732362,0.14371178264115375,0.1452202740124039,0.14686986427256182,0.1493472591980847,0.15042529387733025,0.15077406441164706,0.1515131031730126,0.15502358974254568],"n_dims_used":45,"mean_confidence":0.9035807291666667},"coverage":{"mean_confidence":0.9035807291666667,"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}}