{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000081},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000296","490:4900000073","490:4900000218","490:4900000139","490:4900000295","490:4900000250","490:4900000841","490:4900000182","490:4900000337","490:4900000031","490:4900000098","490:4900000939","490:4900000068","490:4900000436","490:4900000248","490:4900000236","490:4900000065","490:4900004048","490:4900000140","490:4900000110","490:4900000152","490:4900000147","490:4900000506","490:4900000359","490:4900002955"],"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":[0.5428280430642489,0.4505205556031336,0.4052053697796938,0.3824482792364974,0.37195458688129623,0.36436187281739646,0.3563473082628661,0.351534538457429,0.3281347495018381,0.3246655487515185,0.29725486102039417,0.2865480102455447,0.251196976249545,0.2462098413810477,0.2429646190193751,0.23308114263909185,0.2294834902051782,0.21933804648547026,0.20287532781707995,0.1821061018688492,0.17693850573996794,0.1743396376560088,0.1737258848173075,0.16769516961757422,0.1662078894475214],"twin_dists":[0.14356421095210925,0.1640075239532321,0.1745699846610753,0.18006823464993443,0.18265575878772325,0.18455048106388447,0.18657223327844094,0.1877975487113362,0.1938857706491948,0.19480824225750593,0.20230138217297816,0.20533720635701808,0.21588233125703618,0.21744348993573387,0.21847030947170532,0.22165345360220728,0.22283405599611272,0.2262308554426628,0.23197515014993433,0.23969959810403896,0.24171683507356834,0.24274719077988327,0.24299211819006952,0.2454323661035097,0.2460438435525765],"n_dims_used":45,"mean_confidence":0.918280029296875},"coverage":{"mean_confidence":0.918280029296875,"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}}