{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001912},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003636","490:4900003109","490:4900003108","490:4900004196","490:4900003642","490:4900003106","490:4900004745","490:4900002968","490:4900003371","490:4900007532","490:4900002374","490:4900003110","490:4900003638","490:4900006322","491:4910002365","490:4900005291","490:4900003922","490:4900003111","491:4910001968","490:4900005164","490:4900003771","490:4900005954","491:4910001507","491:4910001396","491:4910001332"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,491,490,490,490,491,491,491],"twin_sims":[0.49976235626478044,0.46961589353327043,0.4195659773898343,0.4167063459192668,0.40904561938537265,0.34725980810026236,0.3175378263484523,0.3146625917342427,0.3144622301323181,0.30193598197893096,0.299036795531126,0.2944250063967037,0.2800936380583849,0.26404721284399,0.26075959491320755,0.2485655176395357,0.24556327540763564,0.24413920865390412,0.2318112865066715,0.2135181266891374,0.21224834532401868,0.20835669232999238,0.2052557103304782,0.1996377073651658,0.19370774748654057],"twin_dists":[0.15296795318793432,0.15968121464932836,0.17117186335220194,0.17184446345339172,0.1736561857096052,0.18889323807385003,0.1967209103217971,0.19749928789674367,0.1975536792726533,0.2009943762355467,0.20180244136846737,0.20309736907535442,0.2072001883561381,0.21194842714755138,0.21294318434033943,0.21670357526583456,0.21764737059753,0.21809764216391236,0.22206878963542145,0.22822709901506555,0.22866750218387757,0.2300284916655752,0.2311254133516848,0.23314196169513288,0.23531341243531534],"n_dims_used":45,"mean_confidence":0.8988108317057292},"coverage":{"mean_confidence":0.8988108317057292,"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}}