{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007898},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008559","490:4900010318","490:4900008560","490:4900010136","490:4900009633","490:4900008336","490:4900009734","490:4900008233","490:4900008337","490:4900009938","490:4900008226","490:4900010398","490:4900008673","490:4900009012","490:4900008449","490:4900008668","490:4900010046","490:4900009427","490:4900009430","490:4900009010","490:4900009737","490:4900007900","490:4900008557","490:4900009733","490:4900008454"],"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":[0.3385694563241206,0.33057109562068315,0.31024523233442963,0.271476174255191,0.2591700595415921,0.24214141442796905,0.22567188966945023,0.2158658535552459,0.207975053765472,0.1908829765881513,0.17085957639019117,0.16343917760624052,0.1441662525588226,0.12887387426522748,0.128478706407148,0.12320726681066599,0.1210810352135126,0.1113108016370085,0.11065219000755515,0.10995477511773388,0.1085556251330505,0.10236436526865657,0.10188264168174284,0.10048908528627654,0.09839770758667711],"twin_dists":[0.1911429521064606,0.19324115067375994,0.19870306102514382,0.20972867139387275,0.21342696427778196,0.21873218600081612,0.22409827920318132,0.2274174672325034,0.23016288633807724,0.23636405451016937,0.24414422604766123,0.24719276710762952,0.25561121196915726,0.2629065816267999,0.26310353662748326,0.26577583406145433,0.26687834069798777,0.2721438596714686,0.272511426288006,0.2729024966519216,0.27369288371231854,0.27728836419918773,0.2775751545449457,0.27841080650020406,0.27968209383976894],"n_dims_used":45,"mean_confidence":0.8876007927788628},"coverage":{"mean_confidence":0.8876007927788628,"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}}